| US 7,495,625 B2 | ||
| Antenna for reader/writer and reader/writer having the antenna | ||
| Takanori Endo, Tokyo (Japan); Seirou Yahata, Tokyo (Japan); and Takashi Tsuchida, Tokyo (Japan) | ||
| Assigned to Mitsubishi Materials Corporation, Tokyo (Japan) | ||
| Appl. No. 10/500,457 PCT Filed Jan. 17, 2003, PCT No. PCT/JP03/00364 § 371(c)(1), (2), (4) Date Mar. 01, 2005, PCT Pub. No. WO03/061069, PCT Pub. Date Jul. 24, 2003. |
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| Claims priority of application No. 2002-008146 (JP), filed on Jan. 17, 2002; application No. 2002-280719 (JP), filed on Sep. 26, 2002; and application No. 2003-000765 (JP), filed on Jan. 07, 2003. | ||
| Prior Publication US 2005/0162331 A1, Jul. 28, 2005 | ||
| Int. Cl. H01Q 7/08 (2006.01) | ||
| U.S. Cl. 343—788 [343/787; 343/895; 340/572.5] | 16 Claims |
| 1. A reader/writer antenna which is used with a Radio Frequency Identification (RFID) system for non-contacting data communication
comprising:
a soft magnetic member configured to be disposed on a surface;
an antenna coil which is formed by at least one turn and disposed on the soft magnetic member; and
a conductive member disposed on said soft magnetic member on an opposite side of a placement of the antenna coil,
wherein an object with said reader/writer antenna affixed thereon is a metal member or a member which contains the metal member.
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