Apparatus for displaying standard aspect ratio television signal

Details Apparatus for displaying standard aspect ratio television signal Apparatus for displaying standard aspect ratio television signal

1991-04-26

1992-12-01

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358172, 358 34, 358140, H04N 516, H04N 518

Patent

active

051683628

ABSTRACT:
An image display apparatus includes an automatic pedestal processing circuit for detecting the minimum signal level of the input video signal for controlling the signal level of the video signal on the basis of the results of the detection. A control section is provided for activating the automatic pedestal processing circuit during the effective display period for the input video signals to prevent malfunction of the automatic pedestal processing section and to display an image with superior picture quality.

REFERENCES:
patent: 4403254 (1983-09-01), Okada et al.
patent: 4631589 (1986-12-01), Hongu et al.
patent: 4729026 (1988-03-01), Suzuki et al.
patent: 4811101 (1989-03-01), Yagi
patent: 4984078 (1991-01-01), Skinner et al.
patent: 4984081 (1991-01-01), Miyoshi

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