Apparatus and method for a communication device

Details Apparatus and method for a communication device Apparatus and method for a communication device

2005-08-09

2005-08-09

Dinh, Trinh Vo (Department: 2821)

Communications: radio wave antennas

Antennas

Including magnetic material

C343S878000, C235S492000, C235S493000

Reexamination Certificate

active

06927738

ABSTRACT:
This invention aims to provide a communication device, installation structure for the communication device, a method of manufacturing the communication device, and a method of communication with the communication device in which the communication device is able to exceedingly restain a conductive material from attenuating magnetic flux and to expand communication distance even when the communication device is attached to a conductive member e.g., metal, in a closely contacting manner.This invention has a sheet-like amorphous magnetic material being arranged in a manner extending from a magnetic flux generating portion of a concentric disk-shaped antenna coil of an RFID tag serving as the communication device to an outer area of the antenna coil.

REFERENCES:
patent: 4486731 (1984-12-01), Westcott
patent: 6644555 (2003-11-01), Berney
patent: A 8-79127 (1996-03-01), None
patent: A 2000-48152 (2000-02-01), None
patent: 2000-114854 (2000-04-01), None
patent: 2000-276565 (2000-10-01), None
patent: 2000-048152 (2002-02-01), None

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