Immobilization of shopping carts

Immobilization of shopping carts

  • CN 101,506,007 A
  • Filed: 08/02/2006
  • Published: 08/12/2009
  • Est. Priority Date: 08/02/2006
  • Status: Active Application
First Claim
Patent Images

1. a hill holder that is used for shopping cart has-being arranged in an element on the shopping cart, this element can be activated by electromagnetic field and/or magnetic field, and can prevent the mobile of this shopping cart or move it difficulty at least by this element,-a kind of sending set can send by this sending set and to start desired electromagnetic field of element and/or the magnetic field be arranged on this shopping cart,It is characterized in thatThis sending set comprises an element, makes the transmission in this electromagnetic field and/or magnetic field can be limited in a preset time in the time limit by this element.

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