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Pedestrian impact sensing apparatus for a vehicle bumper

  • US 20070090931A1
  • Filed: 09/28/2005
  • Published: 04/26/2007
  • Est. Priority Date: 09/28/2005
  • Status: Active Grant
First Claim
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1. Apparatus for sensing an impact with a vehicle, comprising:

  • a crushable medium disposed between a vehicle body panel and a rigid frame element extending substantially parallel to said body panel;

    an air channel in said crushable medium;

    an airflow sensor responsive to airflow within said air channel; and

    signal processing means for processing a signal produced by said airflow sensor to detect a body panel impact that displaces air within said air channel.

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