Dual-communication electronic shelf label system and method

Details Dual-communication electronic shelf label system and method Dual-communication electronic shelf label system and method

2003-09-10

2008-10-14

Holloway, III, Edwin C (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S870030, C340S010100

Reexamination Certificate

active

07436285

ABSTRACT:
A dual-communication electronic shelf label system and method which increase communication bandwidth and minimize competition with other RF systems in a store for bandwidth. The system includes a base station including first wireless downlink communication circuitry and first wireless uplink communication circuitry operating in a different mode than the first wireless downlink communication circuitry, and an electronic shelf label including second wireless downlink communication circuitry for receiving messages from first wireless downlink communication of the base station, and second wireless uplink communication circuitry for sending messages to first wireless uplink communication of the base station.

REFERENCES:
patent: 5794215 (1998-08-01), Goodwin, III
patent: 6046682 (2000-04-01), Zimmerman et al.
patent: 6318631 (2001-11-01), Halperin
patent: 6419154 (2002-07-01), Dalton et al.
patent: 6736316 (2004-05-01), Neumark
patent: 6762674 (2004-07-01), Matsushita
patent: 6853294 (2005-02-01), Ramamurthy et al.

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