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United States Utility Patents
5,231,500 - 5,231,509

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NumberTitle
5,231,500 Detecting and monitor device by observing picture image
5,231,501 Still video apparatus
5,231,502 Image information processing techniques for improving the resolution of scanned imaging systems
5,231,503 Image sensor apparatus with noise cancellation circuitry
5,231,504 Method for improved color reproduction using linear mixing calculations based on positional relationships between an original color and an achromatic region in a linear mixing space
5,231,505 Rewritable recording display apparatus and method of erasing record
5,231,506 Generation of hard copy color photo reproductions from digitally created internegative
5,231,507 Information signal recording/reproducing apparatus with time base correction facility
5,231,508 Hall effect gauge with magnetically-sensitive variable-resistance element
5,231,509 Burst gate pulse generating device for use in image signal reproducing system



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