Television – Image signal processing circuitry specific to television – Transition or edge sharpeners
Patent
1994-07-05
1996-12-24
Kostak, Victor R.
Television
Image signal processing circuitry specific to television
Transition or edge sharpeners
348625, H04N 5208
Patent
active
055877451
ABSTRACT:
A microprocessor generates an output signal in accordance with user controlled sharpness selection. The output signal is supplied to a video processor and to a scan velocity modulation circuit for concurrently varying in the same sense the amount of picture sharpness produced by the scan velocity modulation circuit and by the video processor.
REFERENCES:
patent: 3980819 (1976-09-01), Schwartz
patent: 5072300 (1991-12-01), Anderson
patent: 5164829 (1992-11-01), Wada
patent: 5179320 (1993-01-01), Tripod
patent: 5196941 (1993-03-01), Altmanshofer
Data sheet AN5342K--Contour Correction IC--published prior to Applicants' filing date.
Griepentrog Dal F.
Sendelweck Gene K.
Kostak Victor R.
Miller John W.
Thomson Consumer Electronics Inc.
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