A GNSS integrated multi-sensor guidance system for a vehicle assembly includes a suite of sensor units, including a global navigation satellite system (GNSS) sensor unit comprising a receiver and an antenna. An inertial measurement unit (IMU) outputs vehicle dynamic information for combining with the output of the GNSS unit. A controller with a processor receives the outputs of the sensor suite and computes steering solutions, which are utilized by vehicle actuators, including an automatic steering control unit connected to the vehicle steering for guiding the vehicle. The processor is programmed to define multiple behavior-based automatons comprising self-operating entities in the guidance system, which perform respective behaviors using data output from one or more sensor units for achieving the behaviors. A GNSS integrated multi-sensor vehicle guidance method is also disclosed.
|
0. 14. An integrated multi-sensor guidance system comprising a guidance controller to:
receive signals from different sensor units including a global navigation satellite system (GNSS)-based sensor unit, a wheel angle sensor (WAS), and an inertial measurement unit (IMU) sensor providing positions for a vehicle;
define multiple behavior-based automatons comprising self-operating entities in said guidance system performing respective behaviors using data output from the sensor units and wherein said sensor units provide at least some same or similar data, each said automaton having:
an accepting interface for accepting requests from other automatons;
a requesting interface for making requests to another automatons;
a knowledge input for receiving a behavioral definition for affecting the behavior of the automatons;
a data input for receiving input data; and
a data output for sending out the data;
calibrate and store in a memory storage device multiple vehicle profiles, each said profile including multiple, independent vehicle-specific automatons;
compute a GNSS-based guide path for the vehicle;
determine variable confidence levels in real-time for the GNSS-based sensor unit, the WAS, and the IMU sensor based on current relative performance of the sensor units;
use output signals from a first one of the sensor units with a highest one of the confidence levels to provide output signals to determine movements of the vehicle relative to the guide path;
use output signals from the first one of the sensor units with the highest one of the confidence levels to calibrate a second one of the sensor units with a lower one of the confidence levels; and
provide output signals to a display device to display vehicle motion for the vehicle relative to the guide path and to contrast displays of areas treated by the vehicle along previously-traveled portions of the guide path.
12. An integrated multi-sensor guidance system for a vehicle assembly including a steering subsystem, which guidance system includes, comprising:
said vehicle assembly having a dynamic attitude comprising a geo-reference location, vehicle assembly orientation and vehicle assembly speed;
a processor with multiple sensor inputs and actuator outputs;
a suite of sensor units each connected to a respective sensor input;
said sensor unit suite including a GNSS unit with an antenna and a receiver connected to said antenna, said GNSS unit providing output signals corresponding to the GNSS-defined locations of said vehicle assembly dynamic attitude to a respective processor input;
said sensor unit suite including an inertial measurement unit (IMU) sensor providing output signals corresponding to an inertial aspect of a dynamic altitude of said vehicle assembly to a respective processor input;
said guidance controller being adapted for receiving said inertial measurement signals and integrating said inertial measurement signals with said GNSS-based positioning signals;
said processor being programmed to determine variable confidence levels in real time for each said sensor unit based on its current relative performance;
said processor being programmed to utilize said sensor unit outputs proportionally based on their respective confidence levels in generating said steering signals;
a suite of actuator units each connected to a respective actuator output;
said actuator unit suite including a steering unit connected to said steering subsystem and receiving said steering signals from said processor;
said processor being programmed to define multiple behavior-based automatons comprising self-operating entities in said guidance system, said automatons performing respective behaviors using data output from one or more said sensor units for achieving said behaviors and wherein said one or more sensor units provide the same or similar data;
each said automaton having:
an accepting interface for accepting requests from other automatons;
a requesting interface for making requests to another automatons;
a knowledge input for receiving a behavioral definition for affecting the behavior of the automatons;
a data input for receiving input data; and
a data output for sending out the data;
said guidance controller being adapted for receiving and storing the same or another processor further configured to:
receive and store in said a memory storage device global navigation satellite system (GNSS)-based positioning signals and inertial measurement signals from an inertial measurement unit (IMU) sensor;
said processor being adapted for computing compute a GNSS-based guide pattern;
said guidance controller being adapted for providing provide output signals to a display device for displaying to display vehicle motion for the vehicle relative to guide patterns the guide pattern and contrasting to contrast displays of areas treated by said the vehicle along previously-traveled portions of said the guide patterns pattern; and
said guidance controller being adapted for calibrating and storing calibrate and store in said the memory storage device multiple vehicle profiles, each said profile including multiple, independent vehicle-specific automatons.
0. 13. A guidance system for operating multiple vehicles, the guidance system including a guidance controller to:
receive and store in a memory storage device data from sensor units located on a first vehicle including velocity, acceleration and GNSS-based position data derived from a wheel angle sensor (WAS), inertial measurement unit (IMU), and global navigation satellite system (GNSS);
determine variable confidence levels in real time the said sensor units based on its current relative performance;
define multiple behavior-based automatons comprising self-operating entities in said guidance system, said automatons performing respective behaviors using data output from said one or more sensor units for achieving said behaviors and wherein said one or more sensor units provide the same or similar data;
each said automaton having:
an accepting interface for accepting requests from other automatons;
a requesting interface for making requests to another automatons;
a knowledge input for receiving a behavioral definition for affecting the behavior of the automatons;
a data input for receiving input data; and
a data output for sending out the data;
calibrate and store in the memory storage device multiple vehicle profiles, each said profile including multiple, independent vehicle-specific automatons;
compute a guide path for the first vehicle from at least the GNSS-based position data;
send the GNSS-based position data to a display device to display movement of the first vehicle relative to the guide path;
provide output signals to the display device to display vehicle motion for the first vehicle relative to the guide path and to contrast displays of areas treated by the first vehicle along previously-traveled portions of the guide path;
store in the memory storage device a vehicle profile for a second vehicle;
send guidance instructions to the second vehicle to use data output from one or more of the sensor units that provide the same position data as derived from the GNSS, WAS, and IMU to control movement of the second vehicle in cooperation with movement of the first vehicle along the guide path; and
update the guidance instructions to the second vehicle based on computed differences in the position data of the first vehicle.
8. A method of vehicle control and guidance, which method comprises the steps:
providing a vehicle assembly including a steering subsystem and dynamic attitude comprising a geo-reference location, vehicle assembly orientation, and vehicle assembly speed;
providing a guidance system including a processor with multiple sensor inputs and actuator outputs, a suite of sensor units connected to a respective sensor input, a suite of actuator units connected to a respective actuator output, and a data storage device including memory storage;
providing a guidance controller;
inputting signal input data to said guidance controller;
generating control output signals with said guidance controller based on said signal input;
receiving and storing in said memory storage device GNSS-based positioning signals with said guidance controller;
computing a GNSS-based guide pattern with said processor;
providing output signals with said guidance controller to a display device for displaying vehicle motion relative to guide patterns and contrasting displays of areas treated by said vehicle along previously-traveled portions of said guide patterns;
calibrating and storing in said memory multiple vehicle profiles with said guidance controller, each said profile including multiple, independent vehicle-specific automatons;
wherein said sensor unit suite includes an inertial measurement unit (IMU) sensor providing output signals corresponding to an inertial aspect of a dynamic attitude of said vehicle assembly to a respective processor input;
generating inertial measurement signals with said IMU sensor;
receiving the inertial measurement signals with said guidance controller;
integrating said inertial measurement signals with said GNSS-based positioning signals;
defining multiple behavior-based automatons comprising self-operating entities in said guidance system;
instructing said automatons to perform respective behaviors using data output from one or more sensor units for achieving said behaviors wherein one or inure sensor units provide the same or similar data;
providing each automaton with an accepting interface for accepting requests from other automatons;
providing each automaton with a requesting interface for making requests to another automaton;
providing each automaton with a knowledge input for receiving a behavioral definition for affecting the behavior of the automatons;
providing each automaton with a data input for receiving input data;
providing each automaton with a data output for sending data; requesting instructions by each automaton from each other automaton; and
accepting instructions by each automaton provided from each other automaton.
1. An integrated multi-sensor guidance system for a vehicle assembly including a steering subsystem, which guidance system includes:
said vehicle assembly having a dynamic attitude comprising a geo-reference location, vehicle assembly orientation and vehicle assembly speed;
a processor with multiple sensor inputs and actuator outputs;
a suite of sensor units each connected to a respective sensor input;
said sensor unit suite includes a GNSS unit with an antenna and a receiver connected to said antenna, a wheel angle sensor unit (WAS), and an inertial measurement unit (IMU) sensor, said GNSS unit providing output signals corresponding to the GNSS-defined locations of said vehicle assembly dynamic attitude to a respective processor input;
a guidance controller adapted for receiving signal input and generating control output based on said signal input;
a data storage device including memory storage;
a suite of actuator units each connected to a respective actuator output;
said guidance controller being adapted for receiving and storing in said memory storage device GNSS-based positioning signals;
said processor being adapted for computing a GNSS-based. guide pattern;
said guidance controller being adapted for providing output signals to a display device for displaying vehicle motion relative to guide patterns and contrasting displays of areas treated by said vehicle along previously-traveled portions of said guide patterns;
said guidance controller being adapted for calibrating and storing in said memory multiple vehicle profiles, each said profile including multiple, independent vehicle-specific automatons;
an accepting interface for accepting requests from other automatons;
a requesting interface for making requests to another automaton;
a knowledge input for receiving a behavioral definition for affecting the behavior of the automatons;
a data input for receiving input data;
a data output for sending output data;
said processor programmed to determine different variable confidence levels in real time for each of said sensor GNSS unit, WAS, and IMU sensor based on its current relative performance;
said processor programmed to utilize said sensor GNSS unit, WAS, and IMU sensor outputs proportionally based on their respective confidence levels in generating said control output signals; and
wherein said processor is programmed to define multiple behavior-based automatons comprising self-operating entities in said guidance system, said automatons performing respective behaviors using data output from said one or more sensor units GNSS unit, said WAS, and said IMU sensor for achieving said behaviors and wherein said one or more sensor units GNSS unit, WAS, and IMU sensor provide at least some of the same or similar data.
2. The guidance system as claimed in
3. The guidance system as claimed in claim 2 1, wherein said guidance controller is adapted for receiving inertial measurement signals from the IMU and integrating said inertial measurement signals with said GNSS-based positioning signals.
4. The guidance system as claimed in
5. The guidance system as claimed in
a steering controller including a steering processor and connected to said guidance controller;
said steering controller receiving guidance signals as inputs from said guidance controller and computing steering signals as outputs from said steering controller; and
said steering actuator receiving said steering signals from said steering controller and steering said vehicle in response thereto.
6. The guidance system as claimed in
a video camera unit oriented in the vehicle assembly direction of travel;
a radar unit;
a laser unit;
radio input;
telemetry;
material application exclusion areas input;
satellite image inputs; and
contour/elevation overlay inputs;
prescription mapping; and
a wheel angle sensor (WAS).
7. The guidance system as claimed in
an implement steering unit, an implement sectional control unit, personal computer (PC) office software, material application rate control, secondary vehicle control, mapping, crop yield, and mapping skips and overlaps.
9. A method of vehicle control and guidance as claimed by
determining variable confidence levels with the processor in real time for each said sensor unit based on current relative performance; and
utilizing said sensor unit outputs proportionally based on the respective confidence levels in generating said control output signals.
10. A method of vehicle control and guidance as claimed by
providing a steering unit connected to said steering system; and
receiving said control output signals at said steering unit as steering control instructions.
11. A method of vehicle control and guidance as claimed by
providing a steering processor connected to said guidance controller;
receiving guidance signals at said steering controller as inputs from said guidance controller;
computing steering signals as outputs from said steering controller;
receiving said steering signals with said steering actuator; and
steering said vehicle assembly in response to said steering signals.
|
|||||||||||||||||||
An integrated multi-sensor guidance system for a vehicle assembly including a steering subsystem, which guidance system includes: said vehicle assembly having a dynamic attitude comprising a geo-reference location, vehicle assembly orientation and vehicle assembly speed; a processor with multiple sensor inputs and actuator outputs; a suite of sensor units each connected to a respective sensor input.
Said sensor unit suite includes a GNSS unit with an antenna and a receiver connected to said antenna, said GNSS unit providing output signals corresponding to the GNSS-defined locations of said vehicle assembly dynamic attitude to a respective processor input.
A guidance controller is adapted for receiving signal input and generating control output based on said signal input; a data storage device including memory storage; and a suite of actuator units each connected to a respective actuator output.
Said sensor unit suite includes an inertial measurement unit (IMU) sensor providing output signals corresponding to an inertial aspect of a dynamic attitude of said vehicle assembly to a respective processor input.
Said guidance controller is adapted for receiving inertial measurement signals and integrating said inertial measurement signals with said GNSS-based positioning signals. Said processor is programmed to determine variable confidence levels in real time for each said sensor unit based on its current relative performance; and said processor is programmed to utilize said sensor unit outputs proportionally based on their respective confidence levels in generating said control output signals.
Said processor is programmed to define multiple behavior-based automatons comprising self-operating entities in said guidance system, said automatons performing respective behaviors using data output from one or more sensor units for achieving said behaviors and wherein one or more sensor units provide the same or similar data.
Each said automaton has an accepting interface for accepting requests from other automatons; a requesting interface for making requests to another automaton; a knowledge input for receiving a behavioral definition for affecting the behavior of the automatons; and a data input for receiving input data; and a data output for sending out the data.
Said actuator unit suite includes a steering unit connected to said steering subsystem and receiving said control output signals from said processor. Said steering subsystem includes: a steering controller including a steering processor and connected to said guidance controller. Said steering controller receives guidance signals as inputs from said guidance controller and computing steering signals as outputs from said steering controller; and said steering actuator receives said steering signals from said steering controller and steering said vehicle in response thereto.
Said sensor suite includes sensor units chosen from among the group comprising: a video camera unit oriented in the vehicle assembly direction of travel; a radar unit; a laser unit; radio input; telemetry; material application exclusion areas input; satellite image inputs; contour/elevation overlay inputs; prescription mapping; and a wheel angle sensor (WAS).
Said actuator suite includes actuator units chosen from among the group comprising: an implement steering unit, an implement sectional control unit, personal computer (PC) office software, material application rate control, secondary vehicle control, mapping, crop yield, and mapping skips and overlaps.
Said guidance controller is adapted for receiving and storing in said memory storage device GNSS-based positioning signals. Said processor is adapted for computing a GNSS-based guide pattern. Said guidance controller is adapted for providing output signals to a display device for displaying vehicle motion relative to guide patterns and contrasting displays of areas treated by said vehicle along previously-traveled portions of said guide patterns. Said guidance controller is adapted for calibrating and storing in said memory multiple vehicle profiles, each said profile including multiple, independent vehicle-specific automatons.
A method of vehicle control and guidance, comprises the steps: providing a vehicle assembly including a steering subsystem and dynamic attitude comprising a geo-reference location, vehicle assembly orientation, and vehicle assembly speed; providing a guidance system including processor with multiple sensor inputs and actuator outputs, a suite of sensor units connected to a respective sensor input, a suite of actuator units connected to a respective actuator output, and a data storage device including memory storage; providing a guidance controller; inputting signal input data to said guidance controller; and generating control output signals with said guidance controller based on said signal input.
The sensor unit suite includes an inertial measurement unit (IMU) sensor providing output signals corresponding to an inertial aspect of a dynamic attitude of said vehicle assembly to a respective processor input. The method of vehicle control and guidance also includes generating inertial measurement signals with said IMU sensor; receiving the inertial measurement signals with said guidance controller; and integrating said inertial measurement signals with said GNSS-based positioning signals.
The method of vehicle control and guidance also includes determining variable confidence levels with the processor in real time for each said sensor unit based on current relative performance; and utilizing said sensor unit outputs proportionally based on the respective confidence levels in generating said control output signals.
The method of vehicle control and guidance also includes defining multiple behavior-based automatons comprising self-operating entities in said guidance system; and instructing said automatons to perform respective behaviors using data output from one or more sensor units for achieving said behaviors wherein one or more sensor units provide the same or similar data.
The method of vehicle control and guidance also includes providing each automaton with an accepting interface for accepting requests from other automatons; providing each automaton with a requesting interface for making requests to another automaton; providing each automaton with a knowledge input for receiving a behavioral definition for affecting the behavior of the automatons; providing each automaton with a data input for receiving input data; and providing each automaton with a data output for sending data.
The method of vehicle control and guidance also includes providing a steering unit connected to said steering subsystem; and receiving said control output signals at said steering unit as steering control instructions. The method of vehicle control and guidance also includes providing a steering processor connected to said guidance controller; receiving guidance signals at said steering controller as inputs from said guidance controller; computing steering signals as outputs from said steering controller; receiving said steering signals with said steering actuator; and steering said vehicle assembly in response to said steering signals.
The method of vehicle control and guidance also includes determining variable confidence levels with the processor in real time for each said sensor unit based on current relative performance; and utilizing said sensor unit outputs proportionally based on the respective confidence levels in generating said control output signals.
An integrated multi-sensor guidance system for a vehicle assembly including a steering subsystem, includes: said vehicle assembly having a dynamic attitude comprising a geo-reference location, vehicle assembly orientation and vehicle assembly speed; a processor with multiple sensor inputs and actuator outputs; a suite of sensor units each connected to a respective sensor input.
Said sensor unit suite includes a GNSS unit with an antenna and a receiver connected to said antenna, said GNSS unit provides output signals corresponding to the GNSS-defined locations of said vehicle assembly dynamic attitude to a respective processor input; said sensor unit suite includes an inertial measurement unit (IMU) sensor providing output signals corresponding to an inertial aspect of a dynamic attitude of said vehicle assembly to a respective processor input.
Said guidance controller is adapted for receiving inertial measurement signals and integrating said inertial measurement signals with said GNSS-based positioning signals; said processor is programmed to determine variable confidence levels in real time for each said sensor unit based on its current relative performance.
Said processor is programmed to utilize said sensor unit outputs proportionally based on their respective confidence levels in generating said steering signals; a suite of actuator units are each connected to a respective actuator output; said actuator unit suite includes a steering unit connected to said steering subsystem and receiving said steering signals from said processor.
Said processor is programmed to define multiple behavior-based automatons comprising self-operating entities in said guidance system, said automatons performing respective behaviors using data output from one or more sensor units for achieving said behaviors and wherein one or more sensor units provide the same or similar data.
Each said automaton has an accepting interface for accepting requests from other automatons; a requesting interface for making requests to another automatons; a knowledge input for receiving a behavioral definition for affecting the behavior of the automatons; a data input for receiving input data; and a data output for sending out the data.
It will be appreciated that the components of the system 2 can be used for various other applications. Moreover, the subsystems, units and components of the system 2 can be combined in various configurations within the scope of the present invention. For example, the various units could be combined or subdivided as appropriate for particular applications. The system 2 is scalable as necessary for applications of various complexities. It is to be understood that while certain aspects of the disclosed subject matter have been shown and described, the disclosed subject matter is not limited thereto and encompasses various other embodiments and aspects.
Ramm, Andreas F., Gattis, Joshua M., Stichter, Aaron C., Reeve, David R., Jones, Malcolm B.
| Patent | Priority | Assignee | Title |
| 10753752, | Jul 26 2018 | Trimble Inc. | Vehicle manual guidance systems with steering wheel angle sensors and road wheel angle sensors |
| 11867516, | Jul 26 2018 | Trimble Inc. | Vehicle manual guidance systems with steering wheel angle sensors and road wheel angle sensors |
| Patent | Priority | Assignee | Title |
| 3585537, | |||
| 3596228, | |||
| 3727710, | |||
| 3815272, | |||
| 3899028, | |||
| 3987456, | Aug 01 1974 | Lignes Telegraphiques et Telephoniques | Wide relative frequency band and reduced size-to-wavelength ratio antenna |
| 4132272, | Jun 30 1977 | Case Corporation | Tractor hitch position control system |
| 4170776, | Dec 21 1977 | System for near real-time crustal deformation monitoring | |
| 4180133, | Jan 12 1978 | Iowa State University Research Foundation, Inc. | Guidance system for towed vehicles |
| 4398162, | Oct 22 1980 | NGK Spark Plug Co., Ltd. | Ladder-type piezoelectric filters |
| 4453614, | Mar 19 1982 | Deere & Company | Steering arrangement for an off-highway articulated vehicle |
| 4529990, | Oct 22 1979 | Daimler-Benz Aktiengesellschaft | Antenna system for a jamming transmitter |
| 4637474, | Jul 18 1974 | Tractor and towed implement with elevation control system for implement including pressure responsive valve actuator | |
| 4667203, | Mar 01 1982 | WESTERN ATLAS INTERNATIONAL, INC , A CORP OF DE | Method and system for determining position using signals from satellites |
| 4689556, | Oct 12 1984 | Daymarc Corporation; DAYMARC CORPORATION, A CORP OF MASSACHUSETTS | Broad band contactor assembly for testing integrated circuit devices |
| 4694264, | Mar 05 1986 | GOVERNMENT OF THE UNITED STATES, AS REPRESENTED BY THE UNITED STATES DEPARTMENT OF ENERGY | Radio frequency coaxial feedthrough device |
| 4710775, | Sep 30 1985 | The Boeing Company | Parasitically coupled, complementary slot-dipole antenna element |
| 4714435, | Nov 14 1985 | Molex Incorporated | Connection for flexible apparatus |
| 4739448, | Jun 25 1984 | Magnavox Electronic Systems Company | Microwave multiport multilayered integrated circuit chip carrier |
| 4751512, | Jan 21 1986 | HILL, JACK O | Differential navigation system for remote mobile users |
| 4769700, | Nov 20 1981 | LMI TECHNOLOGIES INC | Robot tractors |
| 4785463, | Sep 03 1985 | MOTOROLA, INC , A CORP OF DELAWARE | Digital global positioning system receiver |
| 4802545, | Oct 15 1986 | CNH America LLC; BLUE LEAF I P , INC | Steering control system for articulated vehicle |
| 4812991, | May 01 1986 | Hughes Electronics Corporation; HE HOLDINGS INC , DBA HUGHES ELECTRONICS | Method for precision dynamic differential positioning |
| 4813991, | May 20 1988 | RCA Licensing Corporation | Universal stem mold for manufacturing a molded glass stem |
| 4858132, | Sep 11 1987 | NATIONSBANK OF NORTH CAROLINA, N A | Optical navigation system for an automatic guided vehicle, and method |
| 4864320, | May 06 1988 | BALL CORPORATION, AN IN CORP | Monopole/L-shaped parasitic elements for circularly/elliptically polarized wave transceiving |
| 4894662, | Mar 01 1982 | WESTERN ATLAS INTERNATIONAL, INC , A CORP OF DE | Method and system for determining position on a moving platform, such as a ship, using signals from GPS satellites |
| 4916577, | Dec 20 1988 | Grumman Aerospace Corporation | Method of mounting removable modules |
| 4918607, | Sep 09 1988 | FMC Corporation | Vehicle guidance system |
| 4963889, | Sep 26 1989 | Hughes Electronics Corporation; HE HOLDINGS INC , DBA HUGHES ELECTRONICS | Method and apparatus for precision attitude determination and kinematic positioning |
| 5031704, | May 10 1988 | Fleischer Manufacturing, Inc. | Guidance control apparatus for agricultural implement |
| 5100229, | Aug 17 1990 | ARC SECOND, INC | Spatial positioning system |
| 5134407, | Apr 10 1991 | Mitac International Corp | Global positioning system receiver digital processing technique |
| 5148179, | Jun 27 1991 | Trimble Navigation Limited | Differential position determination using satellites |
| 5152347, | Apr 05 1991 | Deere & Company | Interface system for a towed implement |
| 5155490, | Oct 15 1990 | GPS TECHNOLOGY CORP , A CORP OF TX | Geodetic surveying system using multiple GPS base stations |
| 5155493, | Aug 28 1990 | The United States of America as represented by the Secretary of the Air | Tape type microstrip patch antenna |
| 5156219, | Jun 04 1990 | A I L , INC A CORP OF NEBRASKA | Positioning apparatus for drawn implement |
| 5165109, | Jan 19 1989 | Trimble Navigation Limited | Microwave communication antenna |
| 5173715, | Dec 04 1989 | Trimble Navigation Limited | Antenna with curved dipole elements |
| 5177489, | Sep 26 1989 | Hughes Electronics Corporation; HE HOLDINGS INC , DBA HUGHES ELECTRONICS | Pseudolite-aided method for precision kinematic positioning |
| 5185610, | Aug 20 1990 | Texas Instruments Incorporated | GPS system and method for deriving pointing or attitude from a single GPS receiver |
| 5191351, | Dec 29 1989 | RAYTHEON COMPANY, A CORPORATION OF DELAWARE | Folded broadband antenna with a symmetrical pattern |
| 5194851, | Feb 21 1991 | CNH America LLC; BLUE LEAF I P , INC | Steering controller |
| 5202829, | Jun 10 1991 | Trimble Navigation Limited | Exploration system and method for high-accuracy and high-confidence level relative position and velocity determinations |
| 5207239, | Jul 30 1991 | Aura Systems, Inc. | Variable gain servo assist |
| 5239669, | Feb 04 1992 | Trimble Navigation Limited | Coupler for eliminating a hardwire connection between a handheld global positioning system (GPS) receiver and a stationary remote antenna |
| 5255756, | Apr 22 1992 | KONGSKILDE INDUSTRIES, INC | Caddy with guidance system for agricultural implements |
| 5268695, | Oct 06 1992 | Trimble Navigation Limited | Differential phase measurement through antenna multiplexing |
| 5293170, | Apr 10 1991 | Mitac International Corp | Global positioning system receiver digital processing technique |
| 5294970, | Dec 31 1990 | ARC SECOND, INC | Spatial positioning system |
| 5296861, | Nov 13 1992 | Trimble Navigation Limited | Method and apparatus for maximum likelihood estimation direct integer search in differential carrier phase attitude determination systems |
| 5311149, | Mar 12 1993 | Trimble Navigation Limited | Integrated phase locked loop local oscillator |
| 5323322, | Mar 05 1992 | Trimble Navigation Limited | Networked differential GPS system |
| 5334987, | Apr 01 1993 | Trimble Navigation Limited | Agricultural aircraft control system using the global positioning system |
| 5343209, | May 07 1992 | Navigation receiver with coupled signal-tracking channels | |
| 5345245, | Jul 01 1992 | KDDI Corporation | Differential data signal transmission technique |
| 5359332, | Dec 31 1992 | Trimble Navigation Limited | Determination of phase ambiguities in satellite ranges |
| 5361212, | Nov 02 1992 | Honeywell Inc. | Differential GPS landing assistance system |
| 5365447, | Sep 20 1991 | GPS and satelite navigation system | |
| 5369589, | Sep 15 1993 | Trimble Navigation Limited | Plural information display for navigation |
| 5375059, | Feb 05 1990 | Caterpillar Inc. | Vehicle position determination system and method |
| 5390124, | Dec 01 1992 | Caterpillar Inc. | Method and apparatus for improving the accuracy of position estimates in a satellite based navigation system |
| 5390125, | Feb 05 1990 | Caterpillar Inc. | Vehicle position determination system and method |
| 5390207, | Nov 28 1990 | NOVATEL INC | Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators |
| 5416712, | May 28 1993 | Trimble Navigation Limited | Position and velocity estimation system for adaptive weighting of GPS and dead-reckoning information |
| 5430654, | Dec 01 1992 | Caterpillar Inc. | Method and apparatus for improving the accuracy of position estimates in a satellite based navigation system |
| 5442363, | Aug 04 1994 | U.S. Army Corps of Engineers as Represented by the Secretary of the Army | Kinematic global positioning system of an on-the-fly apparatus for centimeter-level positioning for static or moving applications |
| 5444453, | Feb 02 1993 | Ball Aerospace & Technologies Corp | Microstrip antenna structure having an air gap and method of constructing same |
| 5451964, | Jul 29 1994 | Del Norte Technology, Inc.; DEL NORTE TECHNOLOGY, INC | Method and system for resolving double difference GPS carrier phase integer ambiguity utilizing decentralized Kalman filters |
| 5467282, | Sep 20 1991 | GPS and satellite navigation system | |
| 5471217, | Feb 01 1993 | Hughes Electronics Corporation; HE HOLDINGS INC , DBA HUGHES ELECTRONICS | Method and apparatus for smoothing code measurements in a global positioning system receiver |
| 5476147, | Mar 19 1993 | Guidance system for an agricultural implement | |
| 5477228, | Apr 13 1993 | Trimble Navigation Limited | Differential global positioning system using radio data system |
| 5477458, | Jan 03 1994 | Trimble Navigation Limited | Network for carrier phase differential GPS corrections |
| 5490073, | Apr 05 1993 | Caterpillar Inc. | Differential system and method for a satellite based navigation |
| 5491636, | Apr 19 1994 | ROBERTSON, GLEN E | Anchorless boat positioning employing global positioning system |
| 5495257, | Jul 19 1994 | Trimble Navigation Limited | Inverse differential corrections for SATPS mobile stations |
| 5504482, | Jun 11 1993 | CSR TECHNOLOGY INC | Automobile navigation guidance, control and safety system |
| 5511623, | Sep 12 1994 | TEXTRON FINANCIAL CORPORATION | Quick hitch guidance device |
| 5519620, | Feb 18 1994 | Trimble Navigation Limited | Centimeter accurate global positioning system receiver for on-the-fly real-time kinematic measurement and control |
| 5521610, | Sep 17 1993 | Trimble Navigation Limited | Curved dipole antenna with center-post amplifier |
| 5523761, | Jan 12 1993 | Trimble Navigation Limited | Differential GPS smart antenna device |
| 5534875, | Jun 18 1993 | ADROIT SYSTEMS, INC | Attitude determining system for use with global positioning system |
| 5543804, | Sep 13 1994 | Northrop Grumman Systems Corporation | Navagation apparatus with improved attitude determination |
| 5546093, | Jan 04 1994 | Caterpillar Inc. | System and method for providing navigation signals to an earthmoving or construction machine |
| 5548293, | Mar 24 1993 | BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, THE | System and method for generating attitude determinations using GPS |
| 5561432, | May 12 1995 | Trimble Navigation | Out of plane antenna vector system and method |
| 5563786, | Feb 16 1994 | Fuji Jukogyo Kabushiki Kaisha | Autonomous running control system for vehicle and the method thereof |
| 5568152, | Feb 04 1994 | Trimble Navigation Limited | Integrated image transfer for remote target location |
| 5568162, | Aug 08 1994 | Trimble Navigation Limited | GPS navigation and differential-correction beacon antenna combination |
| 5583513, | Mar 24 1993 | BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, THE | System and method for generating precise code based and carrier phase position determinations |
| 5589835, | Dec 20 1994 | Trimble Navigation Limited | Differential GPS receiver system linked by infrared signals |
| 5592382, | Mar 10 1995 | CSR TECHNOLOGY INC | Directional steering and navigation indicator |
| 5596328, | Aug 23 1994 | Honeywell INC | Fail-safe/fail-operational differential GPS ground station system |
| 5600670, | Dec 21 1994 | Trimble Navigation, Ltd. | Dynamic channel allocation for GPS receivers |
| 5604506, | Dec 13 1994 | Trimble Navigation Limited | Dual frequency vertical antenna |
| 5608393, | Mar 07 1995 | Honeywell Inc. | Differential ground station repeater |
| 5610522, | Sep 30 1993 | Commissariat a l'Energie Atomique | Open magnetic structure including pole pieces forming a V-shape threbetween for high homogeneity in an NMR device |
| 5610616, | Aug 23 1994 | Honeywell Inc. | Differential GPS ground station system |
| 5610845, | Aug 30 1994 | United Technologies Corporation | Multi-parameter air data sensing technique |
| 5612883, | Feb 05 1990 | Caterpillar Inc. | System and method for detecting obstacles in the path of a vehicle |
| 5615116, | Feb 05 1990 | Caterpillar Inc. | Apparatus and method for autonomous vehicle navigation using path data |
| 5617100, | Apr 07 1994 | Matsushita Electric Industrial Co., Ltd. | Accurate position measuring system |
| 5617317, | Jan 24 1995 | Honeywell Inc.; Honeywell INC | True north heading estimator utilizing GPS output information and inertial sensor system output information |
| 5621646, | Jan 17 1995 | Stanford University | Wide area differential GPS reference system and method |
| 5638077, | May 04 1995 | CSR TECHNOLOGY INC | Differential GPS for fleet base stations with vector processing mechanization |
| 5644139, | Mar 02 1995 | Hewlett-Packard Company; HEWLETT-PACKARD DEVELOPMENT COMPANY, L P ; Agilent Technologies, Inc | Navigation technique for detecting movement of navigation sensors relative to an object |
| 5646844, | Apr 18 1994 | Caterpillar Inc. | Method and apparatus for real-time monitoring and coordination of multiple geography altering machines on a work site |
| 5663879, | Nov 20 1987 | U S PHILIPS CORPORATION | Method and apparatus for smooth control of a vehicle with automatic recovery for interference |
| 5664632, | Sep 12 1994 | TEXTRON FINANCIAL CORPORATION | Quick hitch guidance device |
| 5673491, | Oct 20 1995 | Crane level indicator device | |
| 5680140, | Jul 19 1994 | Trimble Navigation Limited | Post-processing of inverse differential corrections for SATPS mobile stations |
| 5684476, | Dec 30 1993 | CNH America LLC; BLUE LEAF I P , INC | Field navigation system |
| 5684696, | Feb 05 1990 | Caterpillar Inc. | System and method for enabling an autonomous vehicle to track a desired path |
| 5706015, | Mar 20 1995 | FUBA AUTOMOTIVE GMBH & CO KG | Flat-top antenna apparatus including at least one mobile radio antenna and a GPS antenna |
| 5717593, | Sep 01 1995 | Lane guidance system | |
| 5725230, | Jun 17 1996 | Self steering tandem hitch | |
| 5731786, | Dec 29 1994 | Trimble Navigation Limited | Compaction of SATPS information for subsequent signal processing |
| 5739785, | Mar 04 1993 | Trimble Navigation Limited | Location and generation of high accuracy survey control marks using satellites |
| 5757316, | Feb 01 1997 | Northrop Grumman Systems Corporation | Attitude determination utilizing an inertial measurement unit and a plurality of satellite transmitters |
| 5765123, | Aug 07 1993 | Aisin AW Co., Ltd. | Navigation system |
| 5777578, | Feb 10 1997 | National Science Council | Global positioning system (GPS) Compass |
| 5810095, | Jul 25 1996 | CNH America LLC; BLUE LEAF I P , INC | System for controlling the position of an implement attached to a work vehicle |
| 5828336, | Mar 29 1996 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION, DEPARTMENT OF, UNITED STATES OF AMERICA, THE | Robust real-time wide-area differential GPS navigation |
| 5838562, | Feb 05 1990 | Caterpillar Inc. | System and a method for enabling a vehicle to track a preset path |
| 5854987, | Mar 23 1995 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle steering control system using navigation system |
| 5862501, | Aug 18 1995 | Trimble Navigation Limited | Guidance control system for movable machinery |
| 5864315, | Apr 07 1997 | General Electric Company | Very low power high accuracy time and frequency circuits in GPS based tracking units |
| 5864318, | Apr 24 1997 | Dorne & Margolin, Inc. | Composite antenna for cellular and gps communications |
| 5875408, | Jul 17 1995 | IMRA America, Inc | Automated vehicle guidance system and method for automatically guiding a vehicle |
| 5877725, | Mar 06 1997 | Trimble Navigation Limited | Wide augmentation system retrofit receiver |
| 5890091, | Feb 18 1994 | Trimble Navigation Ltd. | Centimeter accurate global positioning system receiver for on-the-fly real-time kinematic measurement and control |
| 5899957, | Jan 03 1994 | Trimble Navigation, Ltd. | Carrier phase differential GPS corrections network |
| 5906645, | Dec 04 1995 | Toyota Jidosha Kabushiki Kaisha | Auto-drive control unit for vehicles |
| 5912798, | Jul 02 1997 | Landsten Chu | Dielectric ceramic filter |
| 5914685, | Apr 25 1997 | Mitac International Corp | Relative position measuring techniques using both GPS and GLONASS carrier phase measurements |
| 5917448, | Aug 07 1997 | TELEDYNE SCIENTIFIC & IMAGING, LLC | Attitude determination system with sequencing antenna inputs |
| 5918558, | Dec 01 1997 | CNH America LLC; BLUE LEAF I P , INC | Dual-pump, flow-isolated hydraulic circuit for an agricultural tractor |
| 5919242, | May 14 1992 | Agri-line Innovations, Inc. | Method and apparatus for prescription application of products to an agricultural field |
| 5923270, | May 13 1994 | Konecranes Finland Oy | Automatic steering system for an unmanned vehicle |
| 5926079, | Dec 05 1996 | CTS Corporation | Ceramic waveguide filter with extracted pole |
| 5927603, | Sep 30 1997 | J. R. Simplot Company | Closed loop control system, sensing apparatus and fluid application system for a precision irrigation device |
| 5928309, | Feb 05 1996 | Navigation/guidance system for a land-based vehicle | |
| 5929721, | Aug 06 1996 | CTS Corporation | Ceramic filter with integrated harmonic response suppression using orthogonally oriented low-pass filter |
| 5933110, | Jul 13 1998 | WILMINGTON TRUST, NATIONAL ASSOCIATION | Vessel attitude determination system and method |
| 5935183, | May 20 1996 | Caterpillar Inc | Method and system for determining the relationship between a laser plane and an external coordinate system |
| 5936573, | Jul 07 1997 | Trimble Navigation Limited; Trimble Navigation LTD | Real-time kinematic integrity estimator and monitor |
| 5940026, | Jul 21 1997 | TELEDYNE SCIENTIFIC & IMAGING, LLC | Azimuth determination for GPS/INS systems via GPS null steering antenna |
| 5941317, | Aug 01 1996 | Great Western Corporation PTY LTD | Row cultivator with laterally moveable tool bar |
| 5943008, | Sep 23 1997 | TELEDYNE SCIENTIFIC & IMAGING, LLC | Single global positioning system receiver capable of attitude determination |
| 5944770, | Dec 28 1995 | Trimble Navigation Limited | Method and receiver using a low earth orbiting satellite signal to augment the global positioning system |
| 5945917, | Dec 18 1997 | Rockwell International; Rockwell Collins, Inc | Swathing guidance display |
| 5948043, | Nov 08 1996 | TELE ATLAS NORTH AMERICA, INC | Navigation system using GPS data |
| 5949371, | Jul 27 1998 | Trimble Navigation Limited | Laser based reflectors for GPS positioning augmentation |
| 5955973, | Dec 30 1993 | CNH America LLC; BLUE LEAF I P , INC | Field navigation system |
| 5956250, | Feb 05 1990 | Caterpillar Inc. | Apparatus and method for autonomous vehicle navigation using absolute data |
| 5969670, | Jan 22 1998 | Trimble Navigation Limited | Inexpensive monitoring technique for achieving high level integrity monitoring for differential GPS |
| 5987383, | Apr 28 1997 | Trimble Navigation | Form line following guidance system |
| 6014101, | Feb 26 1996 | Trimble Navigation Limited | Post-processing of inverse DGPS corrections |
| 6014608, | Nov 04 1996 | SAMSUNG ELECTRONICS CO , LTD | Navigator apparatus informing or peripheral situation of the vehicle and method for controlling the same |
| 6018313, | Sep 01 1995 | BRAU VERWALTUNGSGESELLSCHAFT MIT BESCHRANKTER HAFTUNG | System for determining the location of mobile objects |
| 6023239, | Oct 08 1997 | WILMINGTON TRUST, NATIONAL ASSOCIATION | Method and system for a differential global navigation satellite system aircraft landing ground station |
| 6052647, | Jun 20 1997 | BOARD OF TRUSTEES LELAND STANFORD, JR | Method and system for automatic control of vehicles based on carrier phase differential GPS |
| 6055477, | Mar 31 1995 | TRIMBLE NAVIGATIONS LIMITED | Use of an altitude sensor to augment availability of GPS location fixes |
| 6057800, | Jun 28 1996 | State University of New York | RDOP surface for GPS relative positioning |
| 6061390, | Sep 02 1994 | California Institute of Technology | P-code enhanced method for processing encrypted GPS signals without knowledge of the encryption code |
| 6061632, | Aug 18 1997 | Trimble Navigation Limited | Receiver with seamless correction capacity |
| 6062317, | Sep 03 1999 | Caterpillar Inc. | Method and apparatus for controlling the direction of travel of an earthworking machine |
| 6069583, | May 06 1997 | Agence Spatiale Europeene | Receiver for a navigation system, in particular a satellite navigation system |
| 6070673, | Nov 22 1996 | CNH America LLC; BLUE LEAF I P , INC | Location based tractor control |
| 6076612, | Aug 31 1999 | CNH America LLC; BLUE LEAF I P , INC | Transition from position to draft mode controlled by hitch position command and feedback |
| 6081171, | Apr 08 1998 | AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LIMITED | Monolithic filters utilizing thin film bulk acoustic wave devices and minimum passive components for controlling the shape and width of a passband response |
| 6100842, | Feb 20 1998 | Trimble Navigation Limited | Chained location determination system |
| 6122595, | May 20 1996 | BENHOV GMBH, LLC | Hybrid GPS/inertially aided platform stabilization system |
| 6128574, | Jul 23 1996 | CLAAS KGaA | Route planning system for agricultural work vehicles |
| 6144335, | Apr 14 1998 | Trimble Navigation Limited | Automated differential correction processing of field data in a global positional system |
| 6191730, | Dec 15 1997 | Trimble Navigation Limited | Two-channel fast-sequencing high-dynamics GPS navigation receiver |
| 6191733, | Jun 01 1999 | Modular Mining Systems, Inc. | Two-antenna positioning system for surface-mine equipment |
| 6198430, | Mar 26 1999 | Rockwell Collins, Inc. | Enhanced differential GNSS carrier-smoothed code processing using dual frequency measurements |
| 6198992, | Oct 10 1997 | Trimble Navigation Limited | Override for guidance control system |
| 6199000, | Jul 15 1998 | Trimble Navigation LTD | Methods and apparatus for precision agriculture operations utilizing real time kinematic global positioning system systems |
| 6205401, | Sep 19 1995 | Northrop Grumman Systems Corporation | Navigation system for a vehicle, especially a land craft |
| 6212453, | Sep 11 1998 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle steering control system |
| 6215828, | Feb 10 1996 | Unwired Planet, LLC | Signal transformation method and apparatus |
| 6229479, | Apr 25 1997 | Mitac International Corp | Relative position measuring techniques using both GPS and GLONASS carrier phase measurements |
| 6230097, | Aug 31 1998 | Trimble Navigation Limited | Accurate vehicle navigation |
| 6233511, | Nov 26 1997 | CNH America LLC; BLUE LEAF I P , INC | Electronic control for a two-axis work implement |
| 6236916, | Mar 29 1999 | Caterpillar Inc. | Autoguidance system and method for an agricultural machine |
| 6236924, | Jun 21 1999 | Caterpillar Inc.; Caterpillar Inc | System and method for planning the operations of an agricultural machine in a field |
| 6253160, | Jan 15 1999 | Trimble Navigation Ltd. | Method and apparatus for calibrating a tool positioning mechanism on a mobile machine |
| 6256583, | Sep 16 1998 | Rockwell Collins, Inc | GPS attitude determination system and method using optimal search space identification for integer cycle ambiguity resolution |
| 6259398, | May 19 2000 | SRI International | Multi-valued variable ambiguity resolution for satellite navigation signal carrier wave path length determination |
| 6266595, | Aug 12 1999 | Martin W., Greatline; Stanley E., Greatline | Method and apparatus for prescription application of products to an agricultural field |
| 6285320, | Sep 03 1999 | Sikorsky Aircraft Corporation | Apparatus and method for mapping surfaces of an object |
| 6292132, | Aug 13 1999 | 21ST CENTURY GARAGE LLC | System and method for improved accuracy in locating and maintaining positions using GPS |
| 6307505, | Jul 22 1998 | Trimble Navigation Limited | Apparatus and method for coupling data to a position determination device |
| 6313788, | Aug 14 1998 | Garmin International, Inc | Method and apparatus for reliable inter-antenna baseline determination |
| 6314348, | Feb 11 1998 | Trimble Navigation Limited | Correction control for guidance control system |
| 6325684, | Jun 09 2000 | JOHNSON OUTDOORS INC | Trolling motor steering control |
| 6336066, | Sep 29 1998 | Pellenc S.A. | Process for using localized agricultural data to optimize the cultivation of perennial plants |
| 6345231, | Jul 10 1998 | CLAAS Selbstfahrende Erntemaschinen GmbH | Method and apparatus for position determining |
| 6356602, | May 04 1998 | Trimble Navigation Limited | RF integrated circuit for downconverting a GPS signal |
| 6377889, | Oct 13 2000 | Trimble Navigation Limited | Non-linear method of guiding to arbitrary curves with adaptive feedback |
| 6380888, | Nov 13 2000 | The United States of America as represented by the Secretary of the Navy | Self-contained, self-surveying differential GPS base station and method of operating same |
| 6389345, | Jun 29 1999 | Caterpillar Inc. | Method and apparatus for determining a cross slope of a surface |
| 6392589, | Apr 14 1998 | Trimble Navigation Limited | Automated differential correction processing of field data in a global positioning system |
| 6397147, | Jun 06 2000 | HEMISPHERE GNSS INC | Relative GPS positioning using a single GPS receiver with internally generated differential correction terms |
| 6415229, | Jun 21 1996 | CLAAS KGaA | System for position determination of mobile objects, in particular vehicles |
| 6418031, | May 01 2000 | TWITTER, INC | Method and means for decoupling a printed circuit board |
| 6421003, | May 19 2000 | SRI International | Attitude determination using multiple baselines in a navigational positioning system |
| 6424915, | Jun 01 2000 | Furuno Electric Company, Limited | System for determining the heading and/or attitude of a body |
| 6431576, | Apr 28 1999 | Deere & Company | System for steering towed implement in response to, or independently of, steering of towing vehicle |
| 6434462, | Jun 28 2001 | Deere & Company | GPS control of a tractor-towed implement |
| 6445983, | Jul 07 2000 | CNH America LLC; BLUE LEAF I P , INC | Sensor-fusion navigator for automated guidance of off-road vehicles |
| 6445990, | Mar 19 2001 | Caterpillar Inc. | Method and apparatus for controlling straight line travel of a tracked machine |
| 6449558, | May 29 1998 | Method and device for creating a network positioning system (NPS) | |
| 6463091, | Aug 09 1995 | Mitac International Corp | Spread spectrum receiver using a pseudo-random noise code for ranging applications in a way that reduces errors when a multipath signal is present |
| 6463374, | Apr 28 1997 | Trimble Navigation Ltd. | Form line following guidance system |
| 6466871, | Oct 03 1999 | Azimuth Technologies | Method for calibrating and verifying the attitude of a compass |
| 6469663, | Mar 21 2000 | HEMISPHERE GNSS INC | Method and system for GPS and WAAS carrier phase measurements for relative positioning |
| 6484097, | Apr 23 1999 | AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LIMITED | Wide area inverse differential GPS |
| 6501422, | Aug 19 1998 | Trimble Navigation, Ltd.; Trimble Navigation Limited | Precise parallel swathing guidance via satellite navigation and tilt measurement |
| 6515619, | Jul 30 1998 | Object location system | |
| 6516271, | Jun 29 2001 | Regents of the University of California, The | Method and apparatus for ultra precise GPS-based mapping of seeds or vegetation during planting |
| 6539303, | Dec 08 2000 | AGJUNCTION LLC | GPS derived swathing guidance system |
| 6542077, | Mar 27 1996 | JOAO CONTROL & MONITORING SYSTEMS, LLC | Monitoring apparatus for a vehicle and/or a premises |
| 6549835, | Sep 28 2000 | Nissan Motor Co., Ltd. | Apparatus for and method of steering vehicle |
| 6553299, | Jul 15 1998 | Trimble Navigation Ltd. | Methods and apparatus for precision agriculture operations utilizing real time kinematic global positioning system systems |
| 6553300, | Jul 16 2001 | Deere & Company | Harvester with intelligent hybrid control system |
| 6553311, | Dec 08 2000 | Trimble Navigation Limited | Navigational off- line and off-heading indication system and method |
| 6570534, | Feb 05 2001 | NOVARIANT, INC | Low cost system and method for making dual band GPS measurements |
| 6577952, | Jan 08 2001 | Continental Automotive Systems, Inc | Position and heading error-correction method and apparatus for vehicle navigation systems |
| 6587761, | Oct 23 2001 | The Aerospace Corporation | Unambiguous integer cycle attitude determination method |
| 6606542, | May 30 1995 | AGCO Corporation | System and method for creating agricultural decision and application maps for automated agricultural machines |
| 6611228, | Jul 24 2000 | FURUNO ELECTRIC COMPANY LIMITED | Carrier phase-based relative positioning apparatus |
| 6611754, | Mar 14 2000 | Continental Automotive GmbH | Route planning system |
| 6611755, | Dec 19 1999 | Trimble Navigation Limited | Vehicle tracking, communication and fleet management system |
| 6622091, | May 11 2001 | Northrop Grumman Systems Corporation | Method and system for calibrating an IG/GP navigational system |
| 6631916, | Jul 28 2000 | MILLER BLACKSMITH & WELDING | Guidance system for pull-type equipment |
| 6643576, | Nov 15 2000 | NOVARIANT, INC | Rapid adjustment of trajectories for land vehicles |
| 6646603, | Jun 16 2000 | NXP B V | Method of providing an estimate of a location |
| 6657875, | Jul 16 2002 | Semiconductor Components Industries, LLC | Highly efficient step-down/step-up and step-up/step-down charge pump |
| 6671587, | Feb 05 2002 | Ford Motor Company | Vehicle dynamics measuring apparatus and method using multiple GPS antennas |
| 6688403, | Mar 22 2001 | Deere & Company | Control system for a vehicle/implement hitch |
| 6703973, | Aug 19 1998 | Trimble Navigation, Ltd.; Trimble Navigation, LTD | Guiding vehicle in adjacent swaths across terrain via satellite navigation and tilt measurement |
| 6711501, | Dec 08 2000 | AGJUNCTION LLC | Vehicle navigation system and method for swathing applications |
| 6721638, | May 07 2001 | DEMATIC CORP | AGV position and heading controller |
| 6732024, | May 07 2001 | The Board of Trustees of the Leland Stanford Junior University | Method and apparatus for vehicle control, navigation and positioning |
| 6744404, | Jul 09 2003 | HEMISPHERE GNSS INC | Unbiased code phase estimator for mitigating multipath in GPS |
| 6754584, | Feb 28 2001 | ENPOINT L L C | Attitude measurement using a single GPS receiver with two closely-spaced antennas |
| 6774843, | Mar 28 2001 | TAKAHASHI, MASATO | Method for acquiring azimuth information |
| 6789014, | May 09 2003 | Deere & Company | Direct modification of DGPS information with inertial measurement data |
| 6792380, | Feb 12 2002 | FURUNO ELECTRIC COMPANY LIMITED | Attitude angle detecting apparatus |
| 6819269, | May 17 2000 | OMEGA PATENTS, L L C | Vehicle tracker including battery monitoring feature and related methods |
| 6819780, | Feb 02 2001 | CNH America LLC; BLUE LEAF I P , INC | Method and apparatus for automatically steering a vehicle in an agricultural field using a plurality of fuzzy logic membership functions |
| 6822314, | Jun 12 2002 | INTERSIL AMERICAS LLC | Base for a NPN bipolar transistor |
| 6865465, | May 06 2002 | AGJUNCTION INC | Method and system for implement steering for agricultural vehicles |
| 6865484, | Apr 11 2001 | Kabushiki Kaisha Topcon | Satellite position measurement system |
| 6876920, | Oct 27 1998 | AGJUNCTION LLC | Vehicle positioning apparatus and method |
| 6900992, | Sep 18 2001 | Intel Corporation | Printed circuit board routing and power delivery for high frequency integrated circuits |
| 6922635, | Aug 13 2002 | DRS SIGNAL SOLUTIONS, INC | Method and system for determining absolute positions of mobile communications devices using remotely generated positioning information |
| 6931233, | Aug 31 2000 | CSR TECHNOLOGY INC | GPS RF front end IC with programmable frequency synthesizer for use in wireless phones |
| 6967538, | Nov 28 2002 | ABOV SEMICONDUCTOR CO , LTD | PLL having VCO for dividing frequency |
| 6990399, | Oct 31 2002 | CNH America LLC; BLUE LEAF I P , INC | Agricultural utility vehicle and method of controlling same |
| 7006032, | Jan 15 2004 | Honeywell International, Inc | Integrated traffic surveillance apparatus |
| 7026982, | Dec 19 2001 | Furuno Electric Ompany Limited | Carrier-phase-based relative positioning device |
| 7027918, | Apr 07 2003 | NOVARIANT, INC | Satellite navigation system using multiple antennas |
| 7031725, | Aug 13 2002 | DRS SIGNAL SOLUTIONS, INC | Method and system for determining relative positions of networked mobile communication devices |
| 7089099, | Jul 30 2004 | AMERICAN VEHICULAR SCIENCES LLC | Sensor assemblies |
| 7142956, | Mar 19 2004 | AGJUNCTION LLC | Automatic steering system and method |
| 7162348, | Dec 11 2002 | AGJUNCTION LLC | Articulated equipment position control system and method |
| 7191061, | Apr 17 2003 | Battelle Energy Alliance, LLC | Auto-steering apparatus and method |
| 7225060, | Jul 30 2004 | NOVARIANT, INC | Vehicle control system with user-guided calibration |
| 7225068, | Aug 17 2004 | Deere & Company | Variable gain logic for a GPS based automatic steering system |
| 7231290, | Apr 05 2002 | E I DU PONT DE NEMOURS AND COMPANY | Method and apparatus for controlling a gas-emitting process and related devices |
| 7248211, | Jul 26 2004 | Deere & Company | Moving reference receiver for RTK navigation |
| 7271766, | Jul 30 2004 | Trimble Navigation Limited | Satellite and local system position determination |
| 7277784, | May 31 2002 | Deere & Company | Combination of a self-moving harvesting machine and a transport vehicle |
| 7277792, | Aug 29 2001 | AGJUNCTION LLC | Vehicle guidance software, method and system |
| 7292186, | Apr 23 2003 | HEMISPHERE GNSS INC | Method and system for synchronizing multiple tracking devices for a geo-location system |
| 7324915, | Jul 14 2005 | Biosense Webster, Inc | Data transmission to a position sensor |
| 7358896, | Nov 03 2005 | Qualcomm Incorporated | Multiband GNSS receiver |
| 7373231, | Dec 11 2002 | AGJUNCTION LLC | Articulated equipment position control system and method |
| 7388539, | Oct 19 2005 | HEMISPHERE GNSS INC | Carrier track loop for GNSS derived attitude |
| 7395769, | Oct 21 2004 | UNVERFERTH MANUFACTURING COMPANY, INC | Individual row rate control of farm implements to adjust the volume of crop inputs across wide implements in irregularly shaped or contour areas of chemical application, planting or seeding |
| 7428259, | May 06 2005 | CSR TECHNOLOGY HOLDINGS INC | Efficient and flexible GPS receiver baseband architecture |
| 7437230, | Mar 20 2003 | AGJUNCTION LLC | Satellite based vehicle guidance control in straight and contour modes |
| 7451030, | Feb 04 2005 | NOVARIANT, INC | System and method for interactive selection and determination of agricultural vehicle guide paths offset from each other with varying curvature along their length |
| 7454290, | Sep 18 2003 | The Board of Trustees of the Leland Stanford Junior University | GPS/INS vehicle attitude system |
| 7460942, | Apr 09 2001 | AGJUNCTION LLC | Soil cultivation implement control apparatus and method |
| 7479900, | May 28 2003 | ELECTRONIC COMMUNICATION TECHNOLOGIES LLC | Notification systems and methods that consider traffic flow predicament data |
| 7505848, | Mar 31 2003 | Deere & Company | Path planner and method for planning a contour path of a vehicle |
| 7522100, | Jul 01 2005 | CSR TECHNOLOGY HOLDINGS INC | Method and device for acquiring weak global navigation satellite system (GNSS) signals |
| 7571029, | Oct 04 2005 | GM Global Technology Operations LLC | Method and apparatus for reporting road conditions |
| 7580783, | Dec 29 2004 | BLUE LEAF I P INC | Correction in position with hitch position sensor |
| 7689354, | Mar 20 2003 | AGJUNCTION LLC | Adaptive guidance system and method |
| 7904226, | Dec 29 2004 | BLUE LEAF I P , INC | Correction in position with hitch position sensor |
| 8160765, | Mar 03 2008 | BLUE LEAF I P , INC | Method and system for coordinated vehicle control with wireless communication |
| 8190337, | Mar 20 2003 | AGJUNCTION LLC | Satellite based vehicle guidance control in straight and contour modes |
| 8437901, | Oct 15 2008 | Deere & Company | High integrity coordination for multiple off-road vehicles |
| 8649930, | Sep 17 2009 | AGJUNCTION LLC | GNSS integrated multi-sensor control system and method |
| 20020004691, | |||
| 20020072850, | |||
| 20030014171, | |||
| 20030187560, | |||
| 20030208319, | |||
| 20040039514, | |||
| 20040186644, | |||
| 20040212533, | |||
| 20050080559, | |||
| 20050114023, | |||
| 20050165546, | |||
| 20050225955, | |||
| 20050265494, | |||
| 20060167600, | |||
| 20060206246, | |||
| 20060215739, | |||
| 20070078570, | |||
| 20070088447, | |||
| 20070121708, | |||
| 20070205940, | |||
| 20070285308, | |||
| 20080039991, | |||
| 20080059068, | |||
| 20080129586, | |||
| 20080195268, | |||
| 20080204312, | |||
| 20090171583, | |||
| 20090174597, | |||
| 20090174622, | |||
| 20090177395, | |||
| 20090177399, | |||
| 20090259397, | |||
| 20090259707, | |||
| 20090262014, | |||
| 20090262018, | |||
| 20090262974, | |||
| 20090265054, | |||
| 20090265101, | |||
| 20090265104, | |||
| 20090273372, | |||
| 20090273513, | |||
| 20090274079, | |||
| 20090274113, | |||
| 20090276155, | |||
| 20090295633, | |||
| 20090295634, | |||
| 20090299550, | |||
| 20090322597, | |||
| 20090322598, | |||
| 20090322600, | |||
| 20090322601, | |||
| 20090322606, | |||
| 20090326809, | |||
| 20100013703, | |||
| 20100026569, | |||
| 20100030470, | |||
| 20100039316, | |||
| 20100039318, | |||
| 20100039320, | |||
| 20100039321, | |||
| 20100060518, | |||
| 20100063649, | |||
| 20100084147, | |||
| 20100085249, | |||
| 20100085253, | |||
| 20100103033, | |||
| 20100103034, | |||
| 20100103038, | |||
| 20100103040, | |||
| 20100106414, | |||
| 20100106445, | |||
| 20100109944, | |||
| 20100109945, | |||
| 20100109947, | |||
| 20100109948, | |||
| 20100109950, | |||
| 20100111372, | |||
| 20100114483, | |||
| 20100117894, | |||
| 20100117899, | |||
| 20100117900, | |||
| 20100124210, | |||
| 20100124212, | |||
| 20100134354, | |||
| 20100149025, | |||
| 20100149030, | |||
| 20100149033, | |||
| 20100149034, | |||
| 20100149037, | |||
| 20100150284, | |||
| 20100152949, | |||
| 20100156709, | |||
| 20100156712, | |||
| 20100156718, | |||
| 20100159943, | |||
| 20100161179, | |||
| 20100161211, | |||
| 20100161568, | |||
| 20100171660, | |||
| 20100171757, | |||
| 20100185364, | |||
| 20100185366, | |||
| 20100185389, | |||
| 20100188285, | |||
| 20100188286, | |||
| 20100189163, | |||
| 20100207811, | |||
| 20100210206, | |||
| 20100211248, | |||
| 20100211315, | |||
| 20100211316, | |||
| JP7244150, | |||
| WO24239, | |||
| WO3019430, | |||
| WO2005119386, | |||
| WO2009066183, | |||
| WO2009126587, | |||
| WO2009148638, | |||
| WO9836288, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 11 2016 | AGJUNCTION LLC | (assignment on the face of the patent) | / |
| Date | Maintenance Fee Events |
| Jul 08 2021 | BIG: Entity status set to Undiscounted (note the period is included in the code). |
| Jul 08 2021 | M1552: Payment of Maintenance Fee, 8th Year, Large Entity. |
| Oct 28 2021 | PTGR: Petition Related to Maintenance Fees Granted. |
| Date | Maintenance Schedule |
| Oct 15 2022 | 4 years fee payment window open |
| Apr 15 2023 | 6 months grace period start (w surcharge) |
| Oct 15 2023 | patent expiry (for year 4) |
| Oct 15 2025 | 2 years to revive unintentionally abandoned end. (for year 4) |
| Oct 15 2026 | 8 years fee payment window open |
| Apr 15 2027 | 6 months grace period start (w surcharge) |
| Oct 15 2027 | patent expiry (for year 8) |
| Oct 15 2029 | 2 years to revive unintentionally abandoned end. (for year 8) |
| Oct 15 2030 | 12 years fee payment window open |
| Apr 15 2031 | 6 months grace period start (w surcharge) |
| Oct 15 2031 | patent expiry (for year 12) |
| Oct 15 2033 | 2 years to revive unintentionally abandoned end. (for year 12) |