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Vehicle anti-theft device

  • US 5,608,272 A
  • Filed: 07/07/1994
  • Issued: 03/04/1997
  • Est. Priority Date: 07/07/1994
  • Status: Expired due to Fees
First Claim
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1. An anti-theft system for use with unattended and attended vehicles comprising:

  • a base microprocessor;

    a normally opened relay electrically coupled to said microprocessor for use in disabling an electrical circuit in a vehicle;

    a means for carrying an encrypted code;

    a reader mounted in said vehicle available for reading said carried code through close proximate contact of said code carrying means with said reader, wherein said reader transfers said code to said microprocessor; and

    a means for enabling said base microprocessor while said vehicle is attended defined as a sequential depression of a vehicle brake pedal followed by opening of a door within a predetermined time whereby said electrical circuit will be disabled during a car jacking situation.

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