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Lidar system incorporating multiple cameras for obtaining a plurality of subimages

  • US 4,967,270 A
  • Filed: 06/12/1989
  • Issued: 10/30/1990
  • Est. Priority Date: 05/08/1989
  • Status: Expired due to Fees
First Claim
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1. An apparatus for detecting and imaging an object enveloped by a backscattering medium which is at least partially transmitting to light comprising:

  • generating means for selectively generating short pulses of light;

    projecting means for projecting said short pulses of light toward the backscattering medium and at an object enveloped by the medium;

    detecting means for detecting said pulses of light reflected back from said object after a time delay corresponding to the round-trip propagation time of said light pulses to and from said object; and

    converting means for converting said detected pulses of light to a video image of said object;

    wherein said detecting means further comprises;

    a plurality of cameras directed laterally across a target image, each of said cameras obtaining a subimage of said target image;

    time delay generator means for selectively gating each of said cameras after a predetermined time delay to produce variable time delay gating across said target image viewed by said cameras.

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