Television – Image signal processing circuitry specific to television – Gray scale transformation
Patent
1997-06-10
2000-02-08
Hsia, Sherrie
Television
Image signal processing circuitry specific to television
Gray scale transformation
348690, 348692, H04N 552, H04N 516
Patent
active
060233052
ABSTRACT:
A primary color video output circuit for limiting an input video signal. The circuit includes a clipping circuit, a reference voltage generating circuit and an amplifier. The clipping circuit limits the level of the input video signal based on a reference voltage generated by the reference voltage generating circuit. The amplifier is then used to amplify the clipped video signal.
REFERENCES:
patent: 4680624 (1987-07-01), Murakami
Adachi Hitoshi
Ando Hiroshi
Kanegami Yoichi
Kinugawa Hiroki
Matsukura Tsuneo
Hsia Sherrie
Matsushita Electric - Industrial Co., Ltd.
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