Television – Image signal processing circuitry specific to television – Color television signal processing
Patent
1996-08-27
1998-07-21
Hsia, Sherrie
Television
Image signal processing circuitry specific to television
Color television signal processing
348680, 348712, 348713, 348679, H04N 964
Patent
active
057841268
ABSTRACT:
For an S-video signal, providing luminance and chrominance, luminance is amplified and adjusted over selected frequency ranges for shaping the S-video signal response for permitting the S-video signal to be transmitted over exceptionally long transmission lines while providing a quality picture. In separate channels, chrominance and luminance signals are amplified and impedance matched. A luminance band pass filter permits manual adjustments to a lower range of video signal frequencies and thus changes to white level picture information. A positive feedback network permits user adjustments in an upper video signal frequency range having picture super detail information for providing a picture of high resolution and thus pleasing to the user. A clear picture, brighter and sharper, rather than simply a brighter picture is available whether transmitted over a few or few hundred feet from a video source to the monitor.
REFERENCES:
patent: 4376288 (1983-03-01), Shanley
Gordon J. Gow Technologies, Inc.
Hsia Sherrie
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