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US Patent 7342482 Communication controller for an active transponder

Patent 7342482 was granted and assigned to Q-Free on March, 2008 by the United States Patent and Trademark Office.

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Current Assignee
Q-Free
Q-Free
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
73424820
Patent Inventor Names
Atle Saegrov0
Date of Patent
March 11, 2008
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Patent Application Number
110487170
Date Filed
February 3, 2005
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Patent Primary Examiner
‌
Jeffery Hofsass
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Patent abstract

A method for processing of encoded information by a battery-powered active transponder is disclosed for the application within a transponder system for the wireless payment of road toll having the steps of receiving modulated microwave radiation of preset frequency by the transponder over the antenna and for obtaining an input signal demodulated for obtaining a binary input data sequence, feeding said binary input data sequence to a digital processor (microcontroller) operated by a processing clock of preset clock frequency for decoding and generating of a binary output data sequence, and forming an output signal from an answer to the received input signal within a certain duration.

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