PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D421263
|
Priority
Sep 02 1998
|
Filed
Sep 02 1998
|
Issued
Feb 29 2000
|
Expiry
Feb 28 2014
|
|
Assg.orig
|
|
Entity
unknown
|
8
|
8
|
n/a
|
|
|
The ornamental design for a planar magnetic transducer, as shown and described.
|
FIG. 1 is a front perspective view of a planar magnetic transducer showing
our new design;
FIG. 2 is a front elevational view thereof, a rear elevational view being a
mirror image;
FIG. 3 is a left side view thereof, a view from the right side being a
mirror image;
FIG. 4 is a top plan view; and,
FIG. 5 is a bottom plan view.
Phillips, Scott
Patent |
Priority |
Assignee |
Title |
D460440, |
Sep 29 2000 |
SOUND CHEERS LIMITED |
Planar magnetic transducer |
D468727, |
Jul 31 2000 |
|
Column-shaped transducer for transponder magnetic card readers |
D476644, |
Jul 31 2000 |
|
Column-shaped transducer for transponder magnetic card readers |
D582413, |
Dec 14 2007 |
Cascade Engineering, Inc. |
Radio frequency identification device case |
D729211, |
Apr 18 2014 |
TANG BAND INDUSTRIES CO., LTD. |
Vibration unit for acoustic module |
D744455, |
Apr 18 2014 |
TANG BAND INDUSTRIES CO., LTD. |
Vibration unit for acoustic module |
D826215, |
Oct 25 2016 |
AMINA TECHNOLOGIES LIMITED |
Flat panel loudspeaker |
D963575, |
Jan 21 2021 |
|
Waveguide transducer |
Patent |
Priority |
Assignee |
Title |
4037061, |
Nov 13 1975 |
IKC INTERNATIONAL, INC , A CORP OF CA; IKC INTERNATIONAL, INC A CORP OF CA |
Planar pattern voice coil audio transducer |
4471173, |
Mar 01 1982 |
Magnepan, Inc. |
Piston-diaphragm speaker |
4803733, |
Dec 16 1986 |
AVC GROUP, LLC, THE |
Loudspeaker diaphragm mounting system and method |
5021613, |
Sep 23 1985 |
Gold Ribbon Concepts, Inc. |
Ribbon loudspeaker |
5850461, |
Oct 03 1997 |
SOUND CHEERS LIMITED |
Diaphragm support frames for acoustic transducers and method of assembly |
5901235, |
Sep 24 1997 |
Eminent Technology, Inc. |
Enhanced efficiency planar transducers |
5953438, |
Dec 27 1990 |
MODDHA INTERACTIVE, INC |
Planar electromagnetic transducer |
5961762, |
Apr 29 1998 |
SOUND CHEERS LIMITED |
Method and assembly for manufacturing acoustic transducers |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a