Electronic pricing display system

Details Electronic pricing display system Electronic pricing display system

1987-03-02

1988-08-23

Smith, Jerry

Registers

Systems controlled by data bearing records

Mechanized store

364464, G06F 1524

Patent

active

047662956

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).

REFERENCES:
patent: 3633158 (1972-01-01), Heibel
patent: 4002886 (1977-01-01), Sundelin
patent: 4091272 (1978-05-01), Richter et al.
patent: 4139149 (1979-02-01), Crepeau
patent: 4231031 (1980-10-01), Crowther et al.
patent: 4438432 (1984-03-01), Hurcum
patent: 4500880 (1985-02-01), Gomerall et al.
patent: 4514631 (1985-04-01), Guscott
patent: 4521677 (1985-06-01), Sarwin

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