H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/1, 375/7
H04B 10/10 (2006.01) B62B 3/14 (2006.01) G06F 3/147 (2006.01) G06Q 30/00 (2006.01)
Patent
CA 2032982
The invention relates to a method for supplying various departments of a large self-service store equipped with a number of shopping carts with department-specific information. Each of the items of information specific to a department of predetermined length, is digitally stored in memory in decentralized fashion in a transmitter/receiver unit assigned to the particular department and then transmitted in a predetermined cycle in serial form over an infrared path. By means of receiver/transmitter units mounted on all the shopping carts of the store, the transmitted information is received by the receiver/transmitter units of the shopping carts located in the particular department, stored in buffer memory there, and reproduced on a display of the receiver/ transmitter units. Immediately after each playback of information specific to a particular department on the display of the receiver/transmitter mounted on the associated shopping cart, a signal confirming this visual playback of information is transmitted via the infrared path to the transmitter/receiver unit provided in that particular department and recorded there.
Sonnendorfer Horst
Wieth Franz
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Systec Ausbausysteme Gmbh
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