| Patent |
Priority |
Assignee |
Title |
| 2895062, |
|
|
|
| 3057961, |
|
|
|
| 3093710, |
|
|
|
| 3509387, |
|
|
|
| 3544201, |
|
|
|
| 4047060, |
Sep 07 1971 |
Motorola, Inc. |
Acoustic transducer with elastomeric coupling |
| 4056742, |
Apr 30 1976 |
Tibbetts Industries, Inc. |
Transducer having piezoelectric film arranged with alternating curvatures |
| 4088915, |
Feb 28 1974 |
Pioneer Electronic Corporation |
Curved polymeric piezoelectric electro-acoustic transducer |
| 4140203, |
May 17 1976 |
Matsushita Electric Industrial Co., Ltd. |
Acoustic diaphragm with polyurethane elastomer coating |
| 4170742, |
Jul 15 1974 |
Pioneer Electronic Corporation; Tokorozawa Electronic Corporation |
Piezoelectric transducer with multiple electrode areas |
| 4181865, |
Apr 28 1977 |
Tokyo Shibaura Electric Co., Ltd. |
Sensing circuit for a multi-level signal charge |
| 4186323, |
Sep 21 1976 |
STC plc |
Piezoelectric high polymer, multilayer electro-acoustic transducers |
| 4198550, |
Nov 26 1977 |
Sony Corporation |
Peripherally reinforced laminated loudspeaker diaphragm |
| 4241313, |
Oct 27 1972 |
Nippon Gakki Seizo Kabushiki Kaisha |
Audio power amplifier |
| 4291205, |
Sep 19 1978 |
Sony Corporation |
Laminated loudspeaker diaphragm with honeycomb core and damping layers |
| 4297185, |
Sep 20 1978 |
DELTAGLASS S A , A SWISS CORP |
Photosetting adhesive from unsaturated oligomer, photoinitiator, and betaine-forming mixture of unsaturated tert.amine and unsaturated acid |
| 4315557, |
May 31 1979 |
Nippon Gakki Seizo Kabushiki Kaisha |
Diaphragm for electro-acoustic transducer |
| 4352961, |
Jun 15 1979 |
Hitachi, Ltd. |
Transparent flat panel piezoelectric speaker |
| 4454386, |
Oct 29 1980 |
Sumitomo Special Metal Co., Ltd. |
Piezoelectric transducer for piezoelectric loud speaker |
| 4503564, |
Sep 24 1982 |
|
Opto-acoustic transducer for a telephone receiver |
| 4571553, |
Dec 14 1983 |
Nippon Gakki Seizo Kabushiki Kaisha |
Amplifier circuit with distortion cancellation function |
| 4573189, |
Oct 19 1983 |
Velodyne Acoustics, Inc. |
Loudspeaker with high frequency motional feedback |
| 4578613, |
Apr 07 1977 |
U.S. Philips Corporation |
Diaphragm comprising at least one foil of a piezoelectric polymer material |
| 4593160, |
Mar 09 1984 |
Murata Manufacturing Co., Ltd. |
Piezoelectric speaker |
| 4607145, |
Mar 07 1983 |
Thomson-CSF |
Electroacoustic transducer with a piezoelectric diaphragm |
| 4618814, |
Jun 20 1983 |
Hitachi, Ltd. |
Voltage-to-current converter circuit |
| 4625138, |
Oct 24 1984 |
The United States of America as represented by the Secretary of the Army; UNITED STATES of AMERICA, AS REPRESENTED BY THE SECRETARY OF THE ARMY |
Piezoelectric microwave resonator using lateral excitation |
| 4625259, |
Apr 12 1984 |
Prentice Corporation |
Integral pivoting power supply |
| 4638207, |
Mar 19 1986 |
ATOCHEM NORTH AMERICA, INC , A PA CORP |
Piezoelectric polymeric film balloon speaker |
| 4680800, |
Apr 24 1984 |
Wharfedale Loudspeaker Limited |
Moving-coil loudspeaker unit |
| 4751419, |
Dec 10 1986 |
Nitto Incorporated |
Piezoelectric oscillation assembly including several individual piezoelectric oscillation devices having a common oscillation plate member |
| 4807294, |
Jun 20 1986 |
MITUBISHI PETROCHEMICAL CO , LTD |
Piezoelectric and foam resin sheet speaker |
| 4847904, |
Apr 01 1988 |
CHICAGO STEEL RULE DIE AND FABRICATORS CO |
Ambient imaging loudspeaker system |
| 4864624, |
Mar 30 1988 |
CTS Corporation |
Piezoelectric loudspeaker with thermal protection |
| 4899390, |
Sep 19 1986 |
Matsushita Electric Industrial Co., Ltd. |
Thin speaker having an enclosure within an open portion and a closed portion |
| 4969197, |
Jun 10 1988 |
Murata Manufacturing |
Piezoelectric speaker |
| 4979219, |
Mar 14 1989 |
|
Piezoelectric speakers |
| 4992692, |
May 16 1989 |
Agilent Technologies Inc |
Annular array sensors |
| 4997058, |
Oct 02 1989 |
AUDIO TECHNOLOGY ASSOCIATES LLC |
Sound transducer |
| 5031222, |
Jul 22 1988 |
Murata Manufacturing Co., Ltd. |
Piezoelectric speaker |
| 5081683, |
Dec 11 1989 |
|
Loudspeakers |
| 5115472, |
Oct 07 1988 |
Measurement Specialties, Inc |
Electroacoustic novelties |
| 5193119, |
Sep 02 1985 |
|
Multiple loudspeaker |
| 5265165, |
Mar 16 1990 |
CALIFORNIA SPORTSOUND, INC |
Multipurpose headwear |
| 5283835, |
Nov 15 1991 |
|
Ferroelectric composite film acoustic transducer |
| 5368917, |
Mar 10 1989 |
Saint Gobain Vitrage International |
Acoustic protective glazing for a vehicle |
| 5388160, |
Jun 06 1991 |
Matsushita Electric Industrial Co., Ltd. |
Noise suppressor |
| 5392000, |
Nov 09 1993 |
Motorola, Inc.; Motorola, Inc |
Apparatus and method for frequency compensating an operational amplifier |
| 5428832, |
Mar 11 1992 |
MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD |
Noise suppression apparatus |
| 5473214, |
May 07 1993 |
New Transducers Limited |
Low voltage bender piezo-actuators |
| 5524058, |
Jan 12 1994 |
MNC, Inc. |
Apparatus for performing noise cancellation in telephonic devices and headwear |
| 5526421, |
Feb 16 1993 |
|
Voice transmission systems with voice cancellation |
| 5575827, |
Feb 26 1993 |
Blue Circle America, Inc. |
System for producing cementitious materials from ferrous blast furnace slags |
| 5608282, |
Apr 19 1995 |
The United States of America as represented by the Secretary of the Army; ARMY, UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY |
Piezoelectrically controlled superconducting switch |
| 5615270, |
Apr 08 1993 |
Bose Corporation |
Method and apparatus for dynamic sound optimization |
| 5638454, |
Jul 30 1991 |
NOISE CANCELLATION TECHNOLOGIES, INC |
Noise reduction system |
| 5638456, |
Jul 06 1994 |
New Transducers Limited |
Piezo speaker and installation method for laptop personal computer and other multimedia applications |
| 5642332, |
Oct 02 1995 |
INPUT OUTPUT, INC |
Acoustic transducer |
| 5652801, |
May 02 1994 |
GGEC AMERICA, INC |
Resonance damper for piezoelectric transducer |
| 5676612, |
Nov 28 1995 |
Van Doorne'S Transmissie B.V. |
Pulley |
| 5684689, |
Jun 19 1996 |
ADVANCED MOBILE SOLUTIONS, INC |
Interchangeable plug power supply with automatically adjusting input voltage receiving mechanism |
| 5684884, |
May 31 1994 |
Hitachi Metals, Ltd; Hitachi, LTD |
Piezoelectric loudspeaker and a method for manufacturing the same |
| 5705878, |
Nov 29 1995 |
|
Flat scanning stage for scanned probe microscopy |
| 5711058, |
Nov 21 1994 |
General Electric Company |
Method for manufacturing transducer assembly with curved transducer array |
| 5736808, |
Dec 22 1995 |
GGEC AMERICA, INC |
Piezoelectric speaker |
| 5751827, |
Mar 13 1995 |
Primo Microphones, Inc. |
Piezoelectric speaker |
| 5767612, |
Dec 21 1994 |
NGK Insulators, Ltd. |
Piezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end section |
| 5773102, |
Sep 15 1995 |
Saint-Gobain Glass France |
Soundproofing laminated glass pane |
| 5780958, |
Nov 03 1995 |
Aura Systems, Inc. |
Piezoelectric vibrating device |
| 5802195, |
Oct 11 1994 |
The United States of America as represented by the Administrator of the |
High displacement solid state ferroelectric loudspeaker |
| 5825902, |
Oct 06 1995 |
Murata Manufacturing Co., Ltd.; MURATA MANUFACTURING CO , LTD |
Spherical piezoelectric speaker |
| 5828768, |
May 11 1994 |
New Transducers Limited |
Multimedia personal computer with active noise reduction and piezo speakers |
| 5856956, |
May 02 1996 |
LENOVO INNOVATIONS LIMITED HONG KONG |
Piezoelectric acoustic transducer |
| 5867302, |
Aug 07 1997 |
Sandia Corporation |
Bistable microelectromechanical actuator |
| 5901231, |
Sep 25 1995 |
New Transducers Limited |
Piezo speaker for improved passenger cabin audio systems |
| 5965249, |
Aug 07 1997 |
W L GORE & ASSOCIATES, INC |
Vibration damping composite material |
| 5973441, |
May 05 1996 |
NAVY, SECRETARY OF THE, UNITED STATES OF AMERICA OFFICE OF NAVAL RESEARCH |
Piezoceramic vibrotactile transducer based on pre-compressed arch |
| 5977688, |
Mar 28 1997 |
Seiko Instruments Inc |
Electronic apparatus for being switched using piezoelectric element |
| 6003766, |
Sep 02 1995 |
GOOGLE LLC |
Vending machine |
| 6023123, |
May 02 1995 |
THALES NEDERLAND B V |
Acoustic vibration generator |
| 6028389, |
May 26 1998 |
The Charles Stark Draper Laboratory, Inc. |
Micromachined piezoelectric transducer |
| 6031926, |
Sep 02 1996 |
New Transducers Limited |
Panel-form loudspeakers |
| 6058196, |
Aug 04 1990 |
Qinetiq Limited |
Panel-form loudspeaker |
| 6060811, |
Jul 25 1997 |
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION NASA , THE |
Advanced layered composite polylaminate electroactive actuator and sensor |
| 6064746, |
Jun 02 1997 |
MURATA MANUFACTURING CO , LTD |
Piezoelectric speaker |
| 6144746, |
Feb 09 1996 |
New Transducers Limited |
Loudspeakers comprising panel-form acoustic radiating elements |
| 6151402, |
Sep 02 1995 |
New Transducers Limited |
Vibration transducers |
| 6181797, |
Jan 09 1999 |
New Transducers Limited |
Piezo speaker for improved passenger cabin audio systems |
| 6188775, |
Sep 02 1995 |
New Transducers Limited |
Panel-form loudspeakers |
| 6195440, |
Nov 06 1995 |
New Transducers Limited |
Piezoelectric transducers |
| 6198831, |
Sep 02 1995 |
New Transducers Limited |
Panel-form loudspeakers |
| 6215881, |
Sep 02 1995 |
New Transducers Limited |
Ceiling tile loudspeaker |
| 6215882, |
Dec 11 1996 |
Qinetiq Limited |
Panel-form loudspeaker |
| 6215884, |
Sep 25 1995 |
New Transducers Limited |
Piezo speaker for improved passenger cabin audio system |
| 6218766, |
Jun 19 1997 |
New Transducers Limited |
Loudspeaker assembly |
| 6243473, |
Sep 02 1995 |
New Transducers Limited |
Laptop computer with loudspeaker(s) |
| 6247551, |
Aug 04 1990 |
Qinetiq Limited |
Panel-form loudspeaker |
| 6278790, |
Nov 11 1997 |
New Transducers Limited |
Electroacoustic transducers comprising vibrating panels |
| 6294859, |
Sep 10 1997 |
Eads Deutschland GmbH |
Electrostrictive or piezoelectric actuator device with a stroke amplifying transmission mechanism |
| 6427017, |
Nov 13 1998 |
NEC Corporation |
Piezoelectric diaphragm and piezoelectric speaker |
| 6437485, |
Dec 20 2000 |
PIEZOMOTOR UPPSALA AB |
Double bimorph electromechanical element |
| 6472797, |
Aug 10 1999 |
Murata Manufacturing Co., Ltd. |
Piezoelectric electro-acoustic transducer |
| 6504286, |
Dec 30 1997 |
Remon Medical Technologies Ltd. |
Piezoelectric transducer |
| 6522460, |
Jul 17 1998 |
TELEFONAKTIEBOLAGET LM ERICSSON PUBL |
Optical fiber amplifier control |
| 6522760, |
Sep 03 1996 |
GOOGLE LLC |
Active acoustic devices |
| 6570299, |
Jun 26 2001 |
Murata Manufacturing Co., Ltd. |
Piezoelectric electroacoustic transducer and manufacturing method of the same |
| 6617765, |
Oct 22 1999 |
Thales Underwater Systems S.A.S. |
Underwater broadband acoustic transducer |
| 6708797, |
Apr 23 2001 |
Gilbarco Inc |
Display enclosure having thin speaker |
| 6720708, |
Jan 07 2000 |
EMO LABS, INC |
Mechanical-to-acoustical transformer and multi-media flat film speaker |
| 6720709, |
Dec 30 1997 |
Remon Medical Technologies Ltd. |
Piezoelectric transducer |
| 6785393, |
Dec 02 1999 |
Nokia Mobile Phones, Ltd. |
Audio transducers |
| 6797396, |
Jun 09 2000 |
3M Innovative Properties Company |
Wrinkle resistant infrared reflecting film and non-planar laminate articles made therefrom |
| 6844657, |
Mar 14 2002 |
NeoPhotonics Corporation |
Microelectromechanical system and method for producing displacement multiplication |
| 6845166, |
Nov 02 2000 |
FOSTER ELECTRIC CO , LTD |
Plane driving type electroacoustic transducer |
| 7009326, |
Oct 28 1999 |
MURATA MANUFACTURING CO , LTD |
Ultrasonic vibration apparatus use as a sensor having a piezoelectric element mounted in a cylindrical casing and grooves filled with flexible filler |
| 7010143, |
Aug 22 2002 |
NEOSONICA TECHNOLOGIES INC |
Rectangular panel-form loudspeaker and its radiating panel |
| 7015624, |
Oct 22 1999 |
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION NASA , THE |
Non-uniform thickness electroactive device |
| 7020302, |
Sep 26 2001 |
MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD |
Speaker, speaker module, and electronic equipment using the speaker module |
| 7038356, |
Jan 07 2000 |
EMO LABS, INC |
Mechanical-to-acoustical transformer and multi-media flat film speaker |
| 7039206, |
Jun 28 2001 |
Intellectual Ventures I LLC |
Dual diaphragm speaker |
| 7050600, |
Jun 28 2001 |
Panasonic Corporation |
Speaker system, mobile terminal device, and electronic device |
| 7120263, |
Mar 23 2001 |
GOOGLE LLC |
Bending wave acoustic radiator |
| 7151837, |
Jan 27 2000 |
GOOGLE LLC |
Loudspeaker |
| 7174025, |
Jul 03 1998 |
GOOGLE LLC |
Resonant panel-form loudspeaker |
| 7194098, |
Sep 02 1995 |
GOOGLE LLC |
Acoustic device |
| 7212648, |
Mar 15 2002 |
Matsushita Electric Industrial Co., Ltd. |
Loudspeaker system in which a diaphragm panel is driven by an electromechanical acoustic converter |
| 7236602, |
Apr 18 2002 |
Magna Donnelly Corporation |
Device for actuating a membrane and a vehicle comprising a device for actuating a membrane |
| 7274855, |
Sep 22 2003 |
CALLAHAN CELLULAR L L C |
Optical micro-actuator |
| 7339736, |
Feb 12 2003 |
Seiko Epsom Corporation |
Light polarizing film |
| 7536211, |
Jun 28 2001 |
Panasonic Corporation |
Speaker system, mobile terminal device, and electronic device |
| 7565949, |
Sep 27 2005 |
Casio Computer Co., Ltd. |
Flat panel display module having speaker function |
| 7583811, |
Aug 23 2004 |
BOE TECHNOLOGY GROUP CO , LTD |
Electro-optical device and electronic apparatus |
| 7788808, |
Feb 25 2005 |
Lord Corporation |
Method of making an equipment engine mounting system |
| 7792319, |
Dec 28 2004 |
LENOVO INNOVATIONS LIMITED HONG KONG |
Flat panel speaker, electronic device having same, and structure and method ford mounting same |
| 7884529, |
May 31 2005 |
EMO LABS, INC |
Diaphragm membrane and supporting structure responsive to environmental conditions |
| 7889601, |
Jun 19 2007 |
Lockheed Martin Corporation |
Lightweight acoustic array |
| 7903091, |
Aug 30 2005 |
SAMSUNG DISPLAY CO , LTD |
Touch panel having a speaker function |
| 8033674, |
Jul 25 2006 |
Fusion Optix, Inc |
Optical components and light emitting devices comprising asymmetric scattering domains |
| 8068635, |
May 19 2008 |
EMO LABS, INC |
Diaphragm with integrated acoustical and optical properties |
| 8189851, |
Mar 06 2009 |
EMO LABS, INC |
Optically clear diaphragm for an acoustic transducer and method for making same |
| 8395371, |
Feb 11 2008 |
SNAPTRACK, INC |
Methods for characterizing the behavior of microelectromechanical system devices |
| 20010026626, |
|
|
|
| 20010038701, |
|
|
|
| 20010052627, |
|
|
|
| 20020001392, |
|
|
|
| 20020044668, |
|
|
|
| 20020153194, |
|
|
|
| 20030161479, |
|
|
|
| 20040037441, |
|
|
|
| 20040189151, |
|
|
|
| 20040228501, |
|
|
|
| 20050053257, |
|
|
|
| 20050069430, |
|
|
|
| 20050180592, |
|
|
|
| 20050232435, |
|
|
|
| 20050288039, |
|
|
|
| 20060066803, |
|
|
|
| 20060269087, |
|
|
|
| 20060290236, |
|
|
|
| 20070000720, |
|
|
|
| 20070003100, |
|
|
|
| 20070007859, |
|
|
|
| 20070092088, |
|
|
|
| 20070133837, |
|
|
|
| 20070223714, |
|
|
|
| 20070243364, |
|
|
|
| 20070260019, |
|
|
|
| 20070297620, |
|
|
|
| 20080007829, |
|
|
|
| 20080138541, |
|
|
|
| 20080138543, |
|
|
|
| 20080273720, |
|
|
|
| 20090136690, |
|
|
|
| 20090190791, |
|
|
|
| 20090200896, |
|
|
|
| 20090285431, |
|
|
|
| 20090317592, |
|
|
|
| 20100224437, |
|
|
|
| 20100322455, |
|
|
|
| 20110026757, |
|
|
|
| 20110033074, |
|
|
|
| 20110044476, |
|
|
|
| 20110163999, |
|
|
|
| 20110274283, |
|
|
|
| 20120186903, |
|
|
|
| CA2396260, |
|
|
|
| CA2610483, |
|
|
|
| 183357, |
|
|
|
| 188326, |
|
|
|
| D449590, |
Jan 25 2000 |
BANG & OLUSFEN A S |
Wireless receiver unit |
| D472543, |
Apr 05 2002 |
Sony Corporation |
Speaker box |
| D516059, |
Aug 02 2004 |
Whitegate Partners, LLC |
Speaker housing with shield |
| D520493, |
Dec 17 2004 |
Sakar International Inc. |
Illuminated flat panel speakers |
| D640233, |
Jul 27 2010 |
FATHOLLAHI, NAUSSER |
Audio speaker |
| D659674, |
Apr 07 2011 |
|
Audio speaker |
| D671524, |
Mar 31 2011 |
|
Audio speaker |
| D681008, |
Mar 31 2011 |
|
Audio speaker |
| D724555, |
Jan 28 2014 |
LG Electronics Inc. |
Television receiver |
| EP1395083, |
|
|
|
| FR2649575, |
|
|
|
| GB1369241, |
|
|
|
| JP10094093, |
|
|
|
| JP10327491, |
|
|
|
| JP11215578, |
|
|
|
| JP2000350285, |
|
|
|
| JP2000356808, |
|
|
|
| JP2001320798, |
|
|
|
| JP2001500258, |
|
|
|
| JP2001503552, |
|
|
|
| JP2003529976, |
|
|
|
| JP2004147286, |
|
|
|
| JP2005105892, |
|
|
|
| JP2008514867, |
|
|
|
| JP2010283867, |
|
|
|
| JP2012134998, |
|
|
|
| JP334391, |
|
|
|
| JP4140999, |
|
|
|
| JP5122793, |
|
|
|
| JP52045923, |
|
|
|
| JP5615182, |
|
|
|
| JP57181298, |
|
|
|
| JP58034699, |
|
|
|
| JP58182999, |
|
|
|
| JP6217296, |
|
|
|
| JP63176098, |
|
|
|
| JP63176099, |
|
|
|
| JP63250995, |
|
|
|
| JP64029097, |
|
|
|
| JP8102988, |
|
|
|
| JP9298798, |
|
|
|
| KR101260543, |
|
|
|
| KR20080080258, |
|
|
|
| WO152400, |
|
|
|
| WO2004030406, |
|
|
|
| WO2006130731, |
|
|
|
| WO2006130782, |
|
|
|
| WO2009067669, |
|
|
|
| WO2009151892, |
|
|
|
| WO9635313, |
|
|
|
| WO9709844, |
|
|
|
| WO9709846, |
|
|
|
| WO9810252, |
|
|
|
| WO9828942, |
|
|
|