System for viewing the area rearwardly of a vehicle

  • US 4,277,804 A
  • Filed: 01/31/1980
  • Issued: 07/07/1981
  • Est. Priority Date: 11/01/1978
  • Status: Expired due to Term
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First Claim
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1. In a viewing system for observing the area rearward of an automotive vehicle having a cabin area forward of an enclosed cargo section, a substantially flat panel adjacent the rear end of said cargo section, said panel being substantially vertically disposed and perpendicular to the longitudinal axis of said vehicle, and a television circuit comprising a camera positioned at the rear of said vehicle and connected by electrical wires to a display device positioned within said cabin area, the improved features comprising:

  • (a) a camera assembly comprising a television camera body and associated lens housed within a protective enclosure having a first transparent window optically aligned with said lens,(b) said protective enclosure being mounted to an inside surface of said panel in a manner such that the axis of said lens lies horizontally in a plane perpendicular to the longitudinal axis of said vehicle,(c) light deflecting means positioned in front of said lens to cause light coming from behind the vehicle to bend 90 degrees to enter said lens, and further causing left-to-right reversal of the image entering said lens, and(d) an aperture within said panel admitting light onto said light deflecting means and positioned at a location between 20% and 70% of the total height of said vehicle.

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