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AUTOMOTIVE SPEED CONTROL DISABLE SWITCH

  • US 20060095190A1
  • Filed: 11/02/2004
  • Published: 05/04/2006
  • Est. Priority Date: 11/02/2004
  • Status: Active Grant
First Claim
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1. An automatic means to disconnect or disable a motor vehicle speed control system when a motor vehicle is decelerating, and a coincident road surface change from dry or damp to wet or snow covered is detected;

  • comprising;

    a means to detect and to signal the presence or absence of water on a roadway surface;

    a means to detect and to signal the presence or absence of accumulated snow on a roadway surface;

    a means to detect and to signal the presence or absence of vehicular deceleration;

    a means to logically determine that programmed requirements for outputting a disable signal has been met, and to generate and output a disable signal;

    a means to logically determine that programmed requirements for generating a disable signal have not been met, and to inhibit the output of a disable signal;

    a means to override a programmed logic controller and to disable the output signal of the programmed logic controller;

    a means to disable or disconnect a vehicle speed control system when the presence of roadway surface water or snow is detected, and the vehicle is decelerating;

    and a means to enable or re-enable a vehicle speed control system in the absence of a disable or disconnect signal from a programmed logic controller.

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