Expanded-signal image enhancement system

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

1977-03-14

1978-03-21

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358242, 358 37, H04N 568

Patent

active

040806286

ABSTRACT:
A color television receiver includes well-known circuitry 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 electrostatic deflection plates which influence the horizontal scansion of the receiver. A method of image enhancement as well as derivative processing and signal delay structures are shown.

REFERENCES:
patent: 2678964 (1954-05-01), Loughlin
patent: 3980819 (1976-09-01), Schwartz

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