Electronic sign having automatic price display

Details Electronic sign having automatic price display Electronic sign having automatic price display

1996-09-06

1998-12-29

Pitts, Harold

Registers

Systems controlled by data bearing records

Mechanized store

235375, G06K 1500

Patent

active

058544747

ABSTRACT:
An electronic sign which includes a number of two-dimensional (2-D) bar code readers which read a two-dimensional bar code label on a back side of a corresponding number of item description cards. The two-dimensional bar code labels are situated adjacent the two-dimensional bar code readers when the item description cards are installed. Each two-dimensional bar code label contains price data for the item associated with the item listed on the item description card. The two-dimensional bar code label may additionally contain promotional data. Each two-dimensional bar code reader is activated by a switch only when necessary to read the two-dimensional bar code label. The switch is preferably activated manually.

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patent: 4002886 (1977-01-01), Sundelin
patent: 4500880 (1985-02-01), Gomersall et al.
patent: 4654514 (1987-03-01), Watson et al.
patent: 4825058 (1989-04-01), Poland
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patent: 5172314 (1992-12-01), Poland et al.
patent: 5448226 (1995-09-01), Failing, Jr. et al.
patent: 5504322 (1996-04-01), Pavlidis et al.
patent: 5504475 (1996-04-01), Houdou et al.

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