×

Shopper tracker and portable customer service terminal charger

  • US 20050027443A1
  • Filed: 07/30/2003
  • Published: 02/03/2005
  • Est. Priority Date: 07/30/2003
  • Status: Active Grant
First Claim
Patent Images

1. A shopping system, comprising:

  • a shopping cart including a plurality of wheels;

    a portable electronic device, coupled to the shopping cart, for displaying shopping data;

    a distance measuring system, coupled to one of the plurality of wheels for providing a distance signal based on the movement of the wheel and indicating a distance of movement of the shopping cart; and

    an energy generator, coupled to one of the plurality of wheels, for adding energy to a power source of the portable electronic device.

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