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Modulator for anti-skid braking system

  • US 4,338,669 A
  • Filed: 05/07/1980
  • Issued: 07/06/1982
  • Est. Priority Date: 05/07/1980
  • Status: Expired due to Term
First Claim
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1. In an anti-skid braking system for modifying the action of a brake application means for a braked wheel of a vehicle, said system including means for utilizing information obtained from the rotation of said wheel to generate an input signal indicative of a braking condition;

  • modulator means, responsive to the input signal, for generating a modulated brake control signal;

    means, included in the modulator means, for generating a rate signal as a function of both the input signal and a threshold signal;

    means, included in the modulator means, for generating the modulated brake control signal as a time integral function of the rate signal; and

    means, responsive to the modulated brake control signal, for modifying the action of the brake application means;

    the improvement comprising;

    means, included in the modulator means, for generating the threshold signal as a function of a velocity signal generally indicative of the velocity of the braked wheel.

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