Apparatus for magnetic recording of casual events relating to movable means

  • US 4,281,354 A
  • Filed: 05/17/1979
  • Issued: 07/28/1981
  • Est. Priority Date: 05/19/1978
  • Status: Expired due to Term
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First Claim
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1. An apparatus for video surveillance of the environment about a vehicle, said apparatus comprising:

  • (a) scanning means, mountable on said vehicle, for scanning said environment and converting images of said environment to electric signals;

    (b) storage means for receiving and storing said signals, said storage means having a specific storage capacity and being adapted to update stored signals when said storage capacity is full, whereby said updating is effected by superposition of newly received signals upon the oldest stored signals to thereby erase said oldest stored signals; and

    (c) Sensor means, mountable on said vehicle, for sensing specified changes in travel of said vehicle and, in response to said sensed changes, automatically preventing said updating of said storage means to provide fixed storage signals.

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