Solid state camera
First Claim
1. A solid state camera comprising:
- a plurality of image sensors, each having a plurality of picture-sensing units spaced apart by an alignment pitch of τ
H,means for displaying an image simultaneously on each of said image sensors,means for displacing the image on each sensor by τ
H/N in a given direction with respect to at least one other of said sensors where N equals the number of image sensors in said camera,means coupled to said picture sensing units for reading said respective images sequentially in said given direction,means for shifting the readout times thereof by a time equal to 2 π
/N°
of the readout frequency, each of said reading means producing an output signal,means coupled to said reading means for mixing the respective output signals thereof, andmeans for deriving an output from said mixing means.
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Abstract
A solid-state video camera employing a plurality of image sensing means in the form of charge coupled device chips which are arranged in such a manner that the video image cast on respective chips are displaced by distance equal to τH/N where τH is the reciprocal of the image sampling frequency, also referred to as the alignment pitch of the picture elements in the horizontal direction and N is the number of charge coupled chips. After converting the images into electrical signals, read-out timings of given picture elements of respective chips are shifted in time in accordance with the shift in distance between the images on the respective chips prior to mixing the output signals. In this way a video output signal having a wide-band width is obtained. In addition, color video information is possible by the use of color filters which may be disposed in front of the respective charge coupled chips.
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Citations
12 Claims
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1. A solid state camera comprising:
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a plurality of image sensors, each having a plurality of picture-sensing units spaced apart by an alignment pitch of τ
H,means for displaying an image simultaneously on each of said image sensors, means for displacing the image on each sensor by τ
H/N in a given direction with respect to at least one other of said sensors where N equals the number of image sensors in said camera,means coupled to said picture sensing units for reading said respective images sequentially in said given direction, means for shifting the readout times thereof by a time equal to 2 π
/N°
of the readout frequency, each of said reading means producing an output signal,means coupled to said reading means for mixing the respective output signals thereof, and means for deriving an output from said mixing means. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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2. A solid state camera comprising:
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a plurality of image sensors each having a plurality of individual picture elements, spaced apart by an alignment pitch, means for displaying an image on each of said image sensors, each image being shifted with respect to the image on the other sensors by a distance proportional to the alignment pitch and by a distance inversely related to the number of sensors employed, a plurality of means for sequentially reading out electrical image information developed by said individual picture elements, and means for combining the signal output of each of said readout means.
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Specification