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Apparatus for triggering restraint means

  • US 7,540,532 B2
  • Filed: 11/18/2003
  • Issued: 06/02/2009
  • Est. Priority Date: 06/12/2003
  • Status: Expired due to Fees
First Claim
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1. An apparatus for triggering at least one restraint arrangement, comprising:

  • an ultrasound sensor system;

    a microwave sensor system; and

    a precrash sensor system, wherein the at least one restraint arrangement is triggered as a function of at least one signal of the precrash sensor system;

    wherein the precrash sensor system includes the ultrasound sensor system configured to detect at least a first object at a low relative speed and the microwave sensor system configured to detect a second object at a high relative speed, and the ultrasound sensor system and the microwave sensor system generate the at least one signal, and wherein the apparatus is configured to select, as a function of a relative speed determination, one of the ultrasound sensor system to detect the first object or the microwave sensor system to detect the second object.

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