Portable self-service bar code marker and reader for purchase mo

Details Portable self-service bar code marker and reader for purchase mo Portable self-service bar code marker and reader for purchase mo

1994-05-13

1995-10-10

Hajec, Donald

Registers

Systems controlled by data bearing records

Mechanized store

235385, 235462, 235472, G06K 1500, G06K 710

Patent

active

054573076

ABSTRACT:
A purchase monitoring device, to be used by a shopper in a self-service store having items with bar codes thereon which identify the item and the price thereof, the device including primarily a portable handset having a bar code scanner which enables pricing and identification data of a selected item to be displayed on an LED display of the handset, and through the selective use of a price check button, a purchase button, and a return button, the price of the item may be checked, added to a running total of purchase items, or removed from a running total of purchased items, the list of purchase items being stored within the handset for subsequent transfer to a data reception register of the store for payment and verification that all items designated as purchase items are truly purchase items by quickly verifying if the item has been designated as a purchase item by the handset during scanning of the item. In one embodiment of the invention, time-active ink is used to mark the bar code.

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patent: 5250789 (1993-10-01), Johnsen
patent: 5294781 (1994-03-01), Takahashi

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