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Anti-theft sysem for a removable accessory of an automotve vehicle

  • US 5,815,087 A
  • Filed: 04/02/1996
  • Issued: 09/29/1998
  • Est. Priority Date: 04/02/1996
  • Status: Expired due to Fees
First Claim
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1. An anti-theft system for a removable accessory of an automobile comprising:

  • a transponder located in said removable accessory, said transponder having a transponder security code;

    a remote sensing coil operatively coupled to said transponder, wherein said remote sensing coil is adjacent said transponder when said removable accessory is in an unremoved position;

    a memory storing a stored security code corresponding to said transponder;

    a control module coupled to said remote sensing coil and said memory, said control module generating an interrogate signal and receiving a response signal through said remote sensing coil, said transponder generating said response signal in the form of a transponder security code in response to said interrogate signal, said control module comparing said transponder security code to said stored security code, and then if said transponder security code is not equal to said stored security code, disabling a predetermined function; and

    output means coupled to said control module for providing an indication to a vehicle operator of said disabled predetermined function.

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