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Multi-camera video recording system for vehicles

  • US 5,978,017 A
  • Filed: 04/08/1997
  • Issued: 11/02/1999
  • Est. Priority Date: 04/08/1997
  • Status: Expired due to Fees
First Claim
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1. A multi-camera video recording system for vehicles comprising:

  • a video recorder having an electronic record control input port and a video signal input port;

    a four-to-one video multiplexer having four multiplexer video signal input ports and one multiplexer video signal output port, said multiplexer video signal output port being in transmitting connection with said video signal input port of said video recorder;

    an activation switch in electrical connection with said electronic record control input port of said video recorder; and

    a rear view mirror/camera assembly having first, second, third, and fourth video cameras, each first, second, third, and fourth video camera having, respectively, a first second, third and fourth wide angle fish-eye lens and a first, second, third and fourth camera video signal output port in transmitting connection with one of said four multiplexer video signal input ports, said first fish-eye lens being aimed toward the front of said vehicle, said second fish-eye lens being aimed at the rear of said vehicle, said third fish-eye lens being aimed at the driver seat portion of the passenger compartment, and said fourth fish-eye lens being aimed at the front passenger seat portion of the passenger compartment, said four-to-one video multiplexer switching said camera video signals received at its four multiplexer video signal input ports sequentially to said multiplexer video signal output port in response to an activation signal from said activation switch to said video recorder control input port;

    said rear view mirror/camera assembly including a hollow housing, a hollow mirror mount structure, a mirror; and

    four charge coupled device video cameras, each of said four video cameras being mounted within said hollow housing;

    said first fish-eye lens being mounted through a first contoured upper housing corner of said hollow housing;

    said second fish-eye lens being mounted through a second contoured upper housing corner of said hollow housing.

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