Video signal processor with selective clamp

Details Video signal processor with selective clamp Video signal processor with selective clamp

1985-06-26

1986-09-16

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358181, H04N 518

Patent

active

046125779

ABSTRACT:
A television receiver includes an interface network for selectively coupling either a standard broadcast television signal, or auxiliary analog or digital video signals, to an image display device. The interface network includes a keyed circuit for clamping the auxiliary signals. A pulse for keying the clamping circuit exhibits one timing characteristic when analog auxiliary signal are selected for display, and a different timing characteristic when a digital auxiliary signal is selected for display.

REFERENCES:
patent: 4263610 (1981-04-01), Shanley et al.
patent: 4295163 (1981-10-01), Hettiger
patent: 4313130 (1982-01-01), Yost
patent: 4316214 (1982-02-01), Yost
Technical specification pages for Mitsubishi M51322P RGB Interface Integrated Circuit.

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