초록 ▼

An apparatus for tracking the movement of a number of products. The apparatus includes a shelf with the products positioned thereon. The shelf has a fit end with an optical sensor positioned thereabout. The optical sensor tracks the movement of the products. A guard is positioned about the first end

An apparatus for tracking the movement of a number of products. The apparatus includes a shelf with the products positioned thereon. The shelf has a fit end with an optical sensor positioned thereabout. The optical sensor tracks the movement of the products. A guard is positioned about the first end of the shelf adjacent to the optical sensor so as to prevent exterior light from interfering with the optical sensor.

대표청구항 ▼

[ We claim:] [20.]20. An apparatus for tracking the movement of a plurality of products, comprising:a shelf;said plurality of products positioned on said shelf;said shelf comprising a first end;an optical sensor positioned about said first end of said shelf;a guard positioned about said first end of

[ We claim:] [20.]20. An apparatus for tracking the movement of a plurality of products, comprising:a shelf;said plurality of products positioned on said shelf;said shelf comprising a first end;an optical sensor positioned about said first end of said shelf;a guard positioned about said first end of said shelf adjacent to said optical sensor; anda controller functionally connected to said optical sensor so as to track the removal of one of said plurality of products from said first end of said shelf and to track the insertion of one of said plurality of products into said first end of said shelf.