Method and apparatus for coordinating communications between...

Details Method and apparatus for coordinating communications between... Method and apparatus for coordinating communications between...

2006-05-11

2009-08-04

Wu, Daniel (Department: 2612)

Communications: electrical

Selective

Interrogation response

C340S010100, C340S010200, C340S010300, C340S572100

Reexamination Certificate

active

07570150

ABSTRACT:
A tag has circuitry that can transmit and receive wireless signals, including receipt of first and second wireless signals that are different. The circuitry responds to a predetermined event by inhibiting wireless transmissions for up to a selected time interval, while waiting for receipt of one of the first and second wireless signals. The circuitry responds to receipt during the selected time interval of one of the second wireless signals before receipt of one of the first wireless signals by continuing to inhibit wireless transmissions, and responds to expiration of the selected time interval without receipt of either of the first and second wireless signals by transmitting a selected wireless signal.

REFERENCES:
patent: 5726630 (1998-03-01), Marsh et al.
patent: 6525648 (2003-02-01), Kubler et al.
patent: 6720888 (2004-04-01), Eagleson et al.
patent: 7009495 (2006-03-01), Hughes et al.
patent: 2006/0049916 (2006-03-01), Kuriki
patent: 2008/0252426 (2008-10-01), Lee et al.

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