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Anti-vehicle-thief apparatus and code setting method of the apparatus

  • US 6,008,722 A
  • Filed: 07/21/1995
  • Issued: 12/28/1999
  • Est. Priority Date: 08/02/1994
  • Status: Expired due to Term
First Claim
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1. An anti-vehicle-thief apparatus comprising:

  • a plurality of keys having specific codes, andengine controlling means,wherein said engine controlling means performs initial settings of said specific codes by includingstorage means having an area for storing said codes specific to each of said plurality of keys, andcontrolling means for controlling so as to store inputted codes specific to each of said plurality of keys in said area of said storage means when data having been stored in said area satisfies predetermined conditions,wherein electricity is supplied from a power supply to said engine controlling means when an ignition switch is on and said controlling means comprises judging means for judging whether of not voltage of the power supply for said engine controlling means is stable, and stores said codes specific to each of said plurality of keys in said area only when the voltage is stable.

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