Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Including point of sale terminal or electronic cash register
Patent
1995-11-01
1998-08-18
Weinhardt, Robert A.
Data processing: financial, business practice, management, or co
Automated electrical financial or business practice or...
Including point of sale terminal or electronic cash register
705 20, G06F 1760
Patent
active
057971323
ABSTRACT:
The invention is directed to an electronic labelling system such as for display pricing information on the edge of shelves in retail supermarkets which system comprises a computer (1), a transceiver (2) connected thereto, as well as electronic tags (4) preferably fixed to shelves, with the transceiver (2) transmitting, by means of electromagnetic waves (5), communications frames to update the tags (4), said frames holding the specific address (7) of a tag (4) as well as the data (8) to be displayed, said tags (4) including a receiver which is periodically activated to receive the communications frames. To reduce the power consumption of the tags (4), it is suggested that the tags (4) comprise devices for synchronizing the receivers, said devices activating the receivers at the same instant in time when a communications frame is being transmitted from the transceiver (2).
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"Supermarket go high tech with electronic shelf labels" by Rice Electronic Business vol. 14, No. 17, pp. 16-36; Sep. 1, 1988.
"Fiesta Mart to test radio shelf labeling" by Zimmerman Supermarket News, v45, n6, p. 9; Feb. 6, 1995.
"Shelf labels go electronic . . . "; Fensholt Supermarket Business, v43, n5, p. 46 May 1988.
"Electronic shelf tags aglow in 2 units" by Hall Supermarket News, v37, n49, p. 43; Dec. 7, 1987.
"Will Supermarkets Play Electronic Tag?"; Garry, M. Progressive Grocer; v70 n7, pp. 99-104; Jul. 1991.
Pricer AB
Weinhardt Robert A.
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