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Class Information
Number: 343/895
Name: Communications: radio wave antennas > Antennas > Spiral or helical type
Description: Subject matter wherein the antenna includes a wound conductor, and the winding advances in a single plane (spiral), or over a surface of a solid such as cylinder (helix) or sphere.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619569 |
Multi-band antenna |
Nov. 17, 2009 |
| 7619565 |
Wideband planar dipole antenna |
Nov. 17, 2009 |
| 7619529 |
Application for a radio frequency identification system |
Nov. 17, 2009 |
| 7616171 |
Connecting part of conductor pattern and conductor patterns-connected structure |
Nov. 10, 2009 |
| 7614556 |
Distributed RFID antenna array utilizing circular polarized helical antennas |
Nov. 10, 2009 |
| 7609226 |
Antenna system with base configuration for passive inter-modulation (PIM) mitigation |
Oct. 27, 2009 |
| 7609208 |
Electrodes on a photoconductive substrate for generation and detection of terahertz radiation |
Oct. 27, 2009 |
| 7605766 |
Multi-band antenna device for radio communication terminal and radio communication terminal comprising the multi-band antenna device |
Oct. 20, 2009 |
| 7602350 |
Dielectrically-loaded antenna |
Oct. 13, 2009 |
| 7598915 |
Bobbin for bar antenna, antenna and door handle for a vehicle |
Oct. 6, 2009 |
| 7592958 |
Multi-band antennas and radio apparatus incorporating the same |
Sep. 22, 2009 |
| 7589694 |
Small, narrow profile multiband antenna |
Sep. 15, 2009 |
| 7589693 |
Method and apparatus for orienting a directional antenna |
Sep. 15, 2009 |
| 7587228 |
Antenna device for portable terminal |
Sep. 8, 2009 |
| 7586463 |
Extendable helical antenna for personal communication device |
Sep. 8, 2009 |
| 7586462 |
Physically small spiral antenna |
Sep. 8, 2009 |
| 7586461 |
Antenna unit having improved antenna radiation characteristics |
Sep. 8, 2009 |
| 7586445 |
MIMO antenna |
Sep. 8, 2009 |
| 7586416 |
Repeaters for RFID systems |
Sep. 8, 2009 |
| 7583238 |
Radome for endfire antenna arrays |
Sep. 1, 2009 |
| 7583227 |
Electronic device with built-in antenna |
Sep. 1, 2009 |
| 7579995 |
Near field nulling antenna systems |
Aug. 25, 2009 |
| 7576698 |
Dual-band antenna |
Aug. 18, 2009 |
| 7573425 |
Antenna for radio frequency identification RFID tags |
Aug. 11, 2009 |
| 7570225 |
Antenna and non-contact tag |
Aug. 4, 2009 |
| 7567216 |
Antenna holder |
Jul. 28, 2009 |
| 7564424 |
Antenna having multiple radiating elements |
Jul. 21, 2009 |
| 7557772 |
Planer helical antenna |
Jul. 7, 2009 |
| 7554509 |
Column antenna apparatus and method for manufacturing the same |
Jun. 30, 2009 |
| 7554506 |
Full band sleeve monopole antenna with equivalent electrical length |
Jun. 30, 2009 |
| 7548167 |
RF tag and method of manufacturing the RF tag |
Jun. 16, 2009 |
| 7546093 |
Antenna unit for mobile terminal |
Jun. 9, 2009 |
| 7545340 |
Compact antenna having coaxial helical elements with ends connected across an RF signal source |
Jun. 9, 2009 |
| 7545331 |
Antenna device for portable terminal |
Jun. 9, 2009 |
| 7542009 |
Wireless communication device and signal receiving/transmitting method thereof |
Jun. 2, 2009 |
| 7538743 |
Balanced and shortened antennas |
May. 26, 2009 |
| 7528796 |
Antenna system |
May. 5, 2009 |
| 7528795 |
High gain antenna and magnetic preamplifier |
May. 5, 2009 |
| 7528790 |
System and method for preventing copying of electronic component designs |
May. 5, 2009 |
| 7525509 |
Tunable antenna apparatus |
Apr. 28, 2009 |
| 7525508 |
Broadband helical antenna |
Apr. 28, 2009 |
| 7525491 |
Antenna for electronic product and method for fabricating the same |
Apr. 28, 2009 |
| 7522122 |
Planer antenna structure |
Apr. 21, 2009 |
| 7522121 |
Method for fabricating an antenna |
Apr. 21, 2009 |
| 7518557 |
Antenna |
Apr. 14, 2009 |
| 7515116 |
Method for forming radio frequency antenna |
Apr. 7, 2009 |
| 7515115 |
Antenna manufacture including inductance increasing removal of conductive material |
Apr. 7, 2009 |
| 7515113 |
Antenna with parasitic rings |
Apr. 7, 2009 |
| 7515108 |
Antenna unit with incorporated TV and communication antennas for portable communication terminals and signal receiving method thereof |
Apr. 7, 2009 |
| 7511679 |
Antenna, and radio timepiece using the same, keyless entry system, and RFID system |
Mar. 31, 2009 |
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