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Telephoto sensor trigger in a solid state motion analysis system

  • US 5,251,027 A
  • Filed: 05/11/1992
  • Issued: 10/05/1993
  • Est. Priority Date: 11/26/1990
  • Status: Expired due to Fees
First Claim
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1. A solid state motion analysis system comprising:

  • solid state imager means for capturing an image of a scene, and for producing an image frame signal, wherein said imager means is selectively operable at different image frame rates up to several hundred frames per second;

    telephoto sensor means, for passively, noninvasively sensing a change in a changeable characteristic of said scene wherein said telephoto sensor means includes a telephoto lens and a photosensor optically coupled to said telephoto lens, such that said telephoto lens produces an optical image of a scene which is focused on said photosensor;

    wherein said telephoto sensor means is separate from said imager means and independently locatable relative thereto at a substantial distance therefrom;

    means for producing a trigger signal in response to a change in scene characteristic sensed by said photosensor of said telephoto sensor means; and

    solid state memory means for storing a plurality of image frame signals produced by said imager means, wherein an alteration in the mode of operation of said memory means is effected in response to said trigger signal.

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