Synchronizing a radio frequency transmit message with an...

Details Synchronizing a radio frequency transmit message with an... Synchronizing a radio frequency transmit message with an...

2011-05-24

2011-05-24

Pwu, Jeffrey (Department: 2478)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C370S338000, C370S339000, C370S349000

Reexamination Certificate

active

07948964

ABSTRACT:
The present invention relates to synchronization circuitry that is used to synchronize an asynchronous received RF message with a transmitted RF message. In one embodiment of the present invention, the synchronization circuitry includes at least one counter, which is used to associate timing of the asynchronous received RF message with a receive count value, and associate timing of the transmitted RF message with a transmit count value. A time delay between occurrence of the receive count value and the transmit count value provides accurate timing for the start of the transmitted RF message.

REFERENCES:
patent: 6665333 (2003-12-01), McCrady et al.
patent: 7342538 (2008-03-01), Zimmerman
patent: 2004/0090994 (2004-05-01), Lockridge et al.
patent: 2006/0161797 (2006-07-01), Grass et al.
patent: 2007/0133501 (2007-06-01), Park

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