Electronic pricing display system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 23, 1988
Grant Date -
N/A
app pub date -
Mar 2, 1987
filing date -
Mar 2, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic pricing display system for displaying pricing and other specialized information in real time on shelf display tags (18). Display tags (18) are battery operated and receive remotely transmitted infrared signals from optical heads (20) mounted on the ceiling of a store. A handheld electronic controller (22) may be carried by store personnel for obtaining information from or sending information to a selected wireless display tag (18). Pricing information from a main computer (10) is connected by an electronic interface (23) including a microprocessor (24) into a serial information stream having two separate frequencies for relay to the optical heads (20).
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