Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 2, 2008
Patent Application Number
11496732
Date Filed
July 31, 2006
Patent Primary Examiner
Patent abstract
One purpose is to provide a user friendly IC card reading apparatus conforming to different communication standards. A linear power amplifier supplies an antenna circuit with a power source voltage for Type A which is supplied from a power supply switching circuit when transmitting a radio signal of Type A, while supplying the antenna circuit with a power source voltage for Type B which is supplied from the power supply switching circuit when transmitting a radio signal of Type B, based on the instructions of a CPU. This makes it possible to read out of IC cards of both Type A and Type B.
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