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Restraining system and method

  • US 7,513,526 B2
  • Filed: 11/13/2006
  • Issued: 04/07/2009
  • Est. Priority Date: 05/14/2004
  • Status: Active Grant
First Claim
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1. A restraint system for a motor vehicle, comprising:

  • at least two restraint devices each activatable in at least two stages;

    a control device for processing activation-relevant operating data of the vehicle;

    a sensor unit for sensing activation-relevant operating data and providing the activation-relevant operating data to the control device; and

    at least two independently switched ignition units coupled with the control device and to each of the at least two restraint devices, wherein the at least two independently switched ignition units are operably configured such that, if one ignition units fails, activation of each of the at least two restraint devices in at least one stage is performed by the other ignition unit, whereineach of the at least two ignition units includes two ignition end stages, the two ignition end stages of each of the at least two ignition units being electrically configured such that one ignition end stage of each ignition unit is assigned to one of the at least two restrain devices, and another ignition end stage of each ignition unit is assigned to the other of the at least two restraint devices.

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