Image Data Reading And Processing Apparatus
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Abstract
An image reading system observes a field of view and forms electrical signals indicating the presence of objects within the field as to location and movement. After ascertaining the area of the field in which an object is located, the system is speeded up by reading signals outside the area at a high rate of speed and those inside the area at a normal rate of speed.
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9/8/1992
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Text
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Patent