G - Physics – 09 – F
Patent
G - Physics
09
F
325/41
G09F 25/00 (2006.01) B62B 3/14 (2006.01)
Patent
CA 1286727
A METHOD OF SUPPLYING THE VARIOUS DEPARTMENTS OF SHOPPING CENTERS WITH DEPARTMENT-SPECIFIC INFORMATION ABSTRACT The invention relates to a method of supplying the various departments of shopping centers or the like wherein shopping carts or trolleys are used with department-specific information as well as with independently selectable additional informative items. Each information is digitally processed in central facilities, stored and subsequently transmitted on lines in time-compressed form and in a certain cycle to the various departments. The time-compressed information is then serially sent by wireless transmission into the area of the respective department. Department-specific information thus transmitted is received by the receiving unit of any shopping cart within that area, temporarily stored therein and, reexpanded to the original information length, made audible once in analogous and complete form, i.e. from beginning to end, irrespective of the shopping cart's position within that area. Any additional informative item transmitted into the area of the respective department can be independently selected and recalled by means of a keyboard provided on every shopping cart. The thus selected additional informative item is then expanded to the original information length and rendered audible once in analogous and complete form.
540471
Sonnendorfer Horst
Wieth Franz
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Sonnendorfer Horst
Wieth Franz
LandOfFree
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