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Product information system for shoppers

  • US 5,361,871 A
  • Filed: 08/20/1991
  • Issued: 11/08/1994
  • Est. Priority Date: 08/20/1991
  • Status: Expired due to Term
First Claim
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1. A product information system for providing a shopper with current, accurate information on individual products within a retail establishment which uses bar code scanners at cashier counters and upon individual, stand-alone portable, remote product information units under shopper control, to record shopper purchases, wherein said product information system comprises:

  • a) a plurality of stand-alone, portable, remote product information units, each unit being updatable with information from a remote source concerning each product within said retail establishment, each of said units to be provided for each of said shoppers within said establishment who desire access to said product information as they traverse said establishment, each of said remote, stand-alone units including;

    i) a bar code scanning device operatively connected to a microcomputer and capable of decoding bar codes on individual products,ii) a microcomputer with database memory capable of storing and retrieving updatable product information related to each bar code of a product scanned by a shopper using said bar code scanning device to obtain product information,iii) means for displaying said product information to said shopper, and operatively connected to said microcomputer,iv) control means operatively connected to said microcomputer for providing each shopper with limited user-function control of said microcomputer, including manipulation of selected product information,v) power supply means for supplying each remote product information unit with electrical power, andvi) an input device operatively connected to said microcomputer through which said database memory can be updated;

    b) a data update system operatively associated with each of said input devices of said plurality of stand-alone, portable, remote product information units for updating said stand-alone, portable, remote product information units with updated product information related to each of said bar codes, such that said stand-alone, portable, remote product information units are removable from said data update system for use by respective shoppers, and are restorable on said data update system after use by said shoppers so as to be updated with said updated product information; and

    c) means for supplying said data update system with updated product information, including product pricing information, such that said stand-alone, portable, remote product information units are provided with the same updated product pricing information as provided at said bar code scanners at said cashier counters.

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