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Class Information
Number: 343/866
Name: Communications: radio wave antennas > Antennas > Loop type
Description: Subject matter including a coil of one or more turns adapted to be connected at its ends to a pair of lead-in terminals, and further adapted to establish in or receive from space radio wave energy together with a frame for establishing a particular shape or pattern of shapes for the coil, or the coil has sufficient rigidity to establish a shape without the frame.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5751255 |
Electrically small receiving antennas |
May. 12, 1998 |
| 5734353 |
Contrawound toroidal helical antenna |
Mar. 31, 1998 |
| 5714965 |
Active reception antenna with coplanar feeder |
Feb. 3, 1998 |
| 5694139 |
Short-distance communication antenna and methods of manufacturing and using the short-distance communication antenna |
Dec. 2, 1997 |
| 5673054 |
Antenna and miniature portable wireless transceiver |
Sep. 30, 1997 |
| 5654723 |
Contrawound antenna |
Aug. 5, 1997 |
| 5627552 |
Antenna structure for use in a timepiece |
May. 6, 1997 |
| 5598032 |
Hybrid chip card capable of both contact and contact-free operation and having antenna contacts situated in a cavity for an electronic module |
Jan. 28, 1997 |
| 5589840 |
Wrist-type wireless instrument and antenna apparatus |
Dec. 31, 1996 |
| 5585811 |
Antenna device for electronic product anti-theft systems |
Dec. 17, 1996 |
| 5583523 |
Planar microwave tranceiver employing shared-ground-plane antenna |
Dec. 10, 1996 |
| 5526006 |
Electronic device wristband |
Jun. 11, 1996 |
| 5485166 |
Efficient electrically small loop antenna with a planar base element |
Jan. 16, 1996 |
| 5469178 |
Low profile antenna system for a cardlike communication receiver |
Nov. 21, 1995 |
| 5451965 |
Flexible antenna for a personal communications device |
Sep. 19, 1995 |
| 5442369 |
Toroidal antenna |
Aug. 15, 1995 |
| 5406297 |
Inventory management system |
Apr. 11, 1995 |
| 5371509 |
Planar microwave transceiver employing shared-ground-plane antenna |
Dec. 6, 1994 |
| 5319354 |
Antenna structure for communicating with an electronic tag implanted in a pneumatic tire |
Jun. 7, 1994 |
| 5307081 |
Radiator for slowly varying electromagnetic waves |
Apr. 26, 1994 |
| 5274392 |
Tilted antenna |
Dec. 28, 1993 |
| 5206657 |
Printed circuit radio frequency antenna |
Apr. 27, 1993 |
| 5182568 |
Loss cancellation element for an integral antenna receiver |
Jan. 26, 1993 |
| 5039996 |
Method of placing an electronic responder in or near an electrically conductive article, as well as an electrically conductive article provided with an electronic responder |
Aug. 13, 1991 |
| 5017932 |
Miniature antenna |
May. 21, 1991 |
| 4992799 |
Adaptable antenna |
Feb. 12, 1991 |
| 4983985 |
Cellular antenna |
Jan. 8, 1991 |
| 4963880 |
Coplanar single-coil dual function transmit and receive antenna for proximate surveillance system |
Oct. 16, 1990 |
| 4899039 |
Photodetector array for soft hat mounting using a loop antenna |
Feb. 6, 1990 |
| 4862181 |
Miniature integral antenna-radio apparatus |
Aug. 29, 1989 |
| 4823141 |
Vehicle antenna system |
Apr. 18, 1989 |
| 4816837 |
Automobile antenna system |
Mar. 28, 1989 |
| 4806943 |
Set of transmit/receive antennas situated at a fixed station for a two-way radio link with a vehicle |
Feb. 21, 1989 |
| 4804965 |
Flat wide-band antenna |
Feb. 14, 1989 |
| 4789866 |
Automobile antenna system |
Dec. 6, 1988 |
| 4785303 |
Omnidirectional dipole loop antenna array |
Nov. 15, 1988 |
| 4754284 |
Automobile antenna system |
Jun. 28, 1988 |
| 4717921 |
Automobile antenna system |
Jan. 5, 1988 |
| 4717922 |
Automobile antenna system |
Jan. 5, 1988 |
| 4717920 |
Automobile antenna system |
Jan. 5, 1988 |
| 4679052 |
Automobile antenna device |
Jul. 7, 1987 |
| 4445123 |
Method for establishing a vertical E-field antenna installation |
Apr. 24, 1984 |
| 4290070 |
Magnetic loop antenna with diamagnetic properties |
Sep. 15, 1981 |
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