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Remote vehicle starting system

  • US 5,673,017 A
  • Filed: 03/27/1995
  • Issued: 09/30/1997
  • Est. Priority Date: 09/02/1993
  • Status: Expired due to Term
First Claim
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1. A system for remotely operating one or more selected components of a vehicle, said one or more components including at least the vehicle'"'"'s engine, said system comprising:

  • a portable transmitter, including;

    a) means for generating a binary sequence including an address component uniquely identifying a vehicle to which said binary sequence is directed, a function component indicative of a desired operational state of each said selected component of the vehicle and a validation function component, said validation function component being constituted by said function component in a coded state;

    b) means for transmitting said binary sequence as a radio frequency signal;

    a controller for mounting in the vehicle, said controller including;

    c) means for receiving said radio frequency signal and for deriving from said radio frequency signal said address component, said function component and said validation function component;

    d) means for storing a vehicle identification code uniquely identifying the vehicle in which said controller is to be mounted;

    e) means for comparing said vehicle identification code with said address component;

    f) means for decoding said validation function component for generating a decoded validation function component;

    g) means for comparing said function component and said decoded validation function component; and

    h) means for generating a signal for interfacing with the vehicle to bring said one or more selected components of the vehicle into the desired operational state when at least the following conditions are met;

    i) said address component matches said vehicle identification code; and

    ii) said decoded validation function component matches said function component.

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