Personal scanner/computer for displaying shopping lists and scanning barcodes to aid shoppers

作者: Jonathan P. Ruppert , Ronald C. Fish

DOI:

关键词: DatabaseIdentification (information)String (computer science)Light penWorld Wide WebEngineeringProcess (computing)Code (cryptography)Bar (music)ASCIITouchscreen

摘要: A personal bar code scanning device for aiding shoppers in keeping track of their expenditures and speeding the process check-out taking advantage coupons. microprocessor coupled to a reader, communication port, an audible feedback touchscreen or light pen display combination carrys out store as shopper shops. The user selects shopping list from collection one more lists creates new database by spelling items purchase on keyboard. then downloads store's current price modem connecting computer when is entered. When wishes item, placed adjacent package item presses button scan code. imaged CCD device, pattern dark bars decoded into ASCII string which stored memory compared list. match found, changed indicate scanned has been put basket. added running total. In some embodiments, downloaded, there automatically downloaded coupon currently sale. scanned, identification list, and, if discount applied before updating magnetic security strip used next scanner includes pair permanent magnets electromagnets generate D.C. nonvarying field can envelope deactivate it scanned. This prevents setting off alarms passing at exit. Personal Scanner™ mounted cart use user's who do not own devices.

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