US Patent 7391328 Radio frequency identification system

Patent 7391328 was granted and assigned to Compal Electronics on June, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Compal Electronics

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7391328

Date of Patent

June 24, 2008

Patent Application Number

11224648

Date Filed

September 12, 2005

Patent Primary Examiner

‌

Van T. Trieu

Patent abstract

A radio frequency identification (RFID) system has a reader, a first antenna, a second antenna and a transponder. The first antenna is electrically connected to the reader, and the reader is used to generate a control signal and transmit the control signal through the first antenna. The second antenna is used to receive the control signal. The transponder is integrated into an electronic element of a portable electronic device and is electrically connected to the second antenna. The transponder is arranged to select a data signal according to the control signal and transmit the data signal to the reader through the second and first antennas.

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