Expanded-signal image enhancement system

Details Expanded-signal image enhancement system Expanded-signal image enhancement system

H - Electricity

04

N

350/103

H04N 5/68 (2006.01) H04N 3/00 (2006.01) H04N 3/32 (2006.01)

Patent

CA 1084158

ABSTRACT OF THE DISCLOSURE A color television receiver includes well-known cir- cuitry for detection and display of a received broadcast signal. Image enhancement means produce an expanded element luminance signal. A differentiating network produces the derivative of the expanded-element signal and a differential amplifier couples the derivative signal in a "push-pull" fashion to a pair of electro- static deflection plates which influence the horizontal scansion of the receiver. A method of image enhancement as well as deri- vative processing and signal delay structures are shown. -2-

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