Vehicle data recorder

  • US 6,389,340 B1
  • Filed: 09/24/1999
  • Issued: 05/14/2002
  • Est. Priority Date: 02/09/1998
  • Status: Expired due to Term
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First Claim
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1. A vehicle-mounted device for capturing video imagery in response to a triggering event, comprising:

  • a housing;

    an image sensor mounted to said housing, said image sensor sensing optical phenomena representing said video imagery;

    a data sensor circuit within said housing and in part responsive to said triggering event; and

    a capture circuit within said housing;

    said capture circuit comprising;

    a non-volatile memory;

    a volatile, random-access memory configured as a continuous-loop buffer, said volatile memory coupled to said non-volatile memory and coupled to said image sensor;

    said volatile memory capturing a signal representing said video imagery from said image sensor in a first-in, first-overwritten manner, and, responsive to said data sensor circuit sensing a triggering event, terminating capture of said signal and copying the captured signal representing said a video imagery to said non-volatile memory.

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