×

Cooler inventory management system with light guard

  • US 6,259,965 B1
  • Filed: 12/17/1999
  • Issued: 07/10/2001
  • Est. Priority Date: 06/09/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. An apparatus for tracking the movement of a plurality of products, comprising:

  • a shelf;

    said plurality of products positioned on said shelf;

    an optical sensor positioned about said shelf so as to track the movement of one of said plurality of products; and

    a guard positioned about said shelf adjacent to said optical sensor so as to prevent exterior light from interfering with said optical sensor.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×