Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1991-10-30
1994-11-08
Chin, Tommy P.
Facsimile and static presentation processing
Facsimile
Recording apparatus
348625, 348712, 360 361, H04N 595
Patent
active
053632010
ABSTRACT:
A picture control system for a video cassette tape recorder, capable of compensating edge portions of a reproduction luminance signal by obtaining a hard compensating signal by filtering a high-band component of the reproduction luminance signal, a soft compensating signal by filtering a low-band component of the delayed reproduction luminance signal, and selecting the hard compensating signal combining control signal and then subtracting from the delayed reproduction luminance signal. The system includes a picture control signal generator, a hard-controller for filtering a high-band component of reproduction luminance signal, a soft controller for filtering a low-band component of reproduction luminance signal, and a signal combiner for selecting the hard and soft compensating signals and combining the selected signal with the delayed reproduction luminance signal.
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patent: 4748499 (1988-05-01), Ueda
patent: 4766487 (1988-08-01), Tanaka et al.
patent: 4779133 (1988-10-01), Sugimori et al.
patent: 4931743 (1990-06-01), Fukuda et al.
patent: 5047840 (1991-09-01), Miki
patent: 5136392 (1992-08-01), Ganse
Chin Tommy P.
Goldstar Co. Ltd.
Tran Thai
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