Day-night black and white and color video camera
First Claim
Patent Images
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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Abstract
An optical monitoring system has a video camera which includes a first sensing unit for the production of black-and-white images and a second sensing unit for the production of color images. The first sensing unit generates black-and-white image signals which are sent to a processor for black-and-white signals. Similarly, the second sensing unit generates color image signals which are sent to a processor for color signals. The processed signals leave the camera via a common output.
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Citations
7 Claims
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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. - View Dependent Claims (2, 3, 4, 5)
- 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;
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6. A video camera, particularly for an optical monitoring system, 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 and including a plurality of first sensing elements;
- second image sensing means for the production of color images, said second image sensing means including means for generating color signals and 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, the number of said first sensing elements exceeding the number of said second sensing elements or the sizes of said first sensing elements exceeding the sizes of said second sensing elements;
first signal processing means operatively associated with said first image sensing means to process said black-and-white signals; and
second signal processing means operatively associated with said second image sensing means to process said color signals.
- second image sensing means for the production of color images, said second image sensing means including means for generating color signals and 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, the number of said first sensing elements exceeding the number of said second sensing elements or the sizes of said first sensing elements exceeding the sizes of said second sensing elements;
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7. A video camera, particularly for an optical monitoring system, 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 and including a plurality of first sensing elements;
- second image sensing means for the production of color images, said second image sensing means including means for generating color signals and 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, the number of said first sensing elements exceeding the number of said second sensing elements and the sizes of said first sensing elements exceeding the sizes of said second sensing elements;
first signal processing means operatively associated with said first image sensing means to process said black-and-white signals; and
second signal processing means operatively associated with said second image sensing means to process said color signals.
- second image sensing means for the production of color images, said second image sensing means including means for generating color signals and 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, the number of said first sensing elements exceeding the number of said second sensing elements and the sizes of said first sensing elements exceeding the sizes of said second sensing elements;
Specification