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Day-night black and white and color video camera

  • US 5,172,220 A
  • Filed: 01/24/1991
  • Issued: 12/15/1992
  • Est. Priority Date: 07/20/1988
  • Status: Expired due to Fees
First Claim
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1. A combined black-and-white and color video camera for surveillance purposes, comprising first image sensing means for the production of black-and-white images, said first image sensing means including means for generating black-and-white signals;

  • second image sensing means for the production of color images, said second image sensing means including means for generating color signals, said first sensing means comprising a plurality of first sensing elements and said second sensing means comprising a plurality of second sensing elements, said first and second sensing elements constituting part of a single image sensor and said sensor having a first output for said black-and-white signals and a second output for said color signals;

    first signal processing means operatively associated with said sensor to process said black-and-white signals;

    second signal processing means operatively associated with said sensor to process said color signals; and

    means for activating one of said sensing means and deactivating the other of said sensing means when the intensity of incoming light is within a first range, and activating said other sensing means and deactivating said one sensing means when the intensity of the incoming light is within a different second range.

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