Picture synthesizing apparatus with gain control system

Details Picture synthesizing apparatus with gain control system Picture synthesizing apparatus with gain control system

1987-12-15

1989-08-08

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358183, H04N 5272, H04N 968

Patent

active

048558125

ABSTRACT:
A picture synthesizing apparatus in which a main picture is displayed with a part inlaid with a subsidiary picture. The apparatus includes an AGC circuit for regulating the gain of the main video signal and an AGC circuit for regulating the gain of a subsidiary video signal. Alternatively, the chrominance signal level of the subsidiary video signal can be regulated in accordance with the chrominance signal level of the main video signal.

REFERENCES:
patent: 4141041 (1979-02-01), Peters
patent: 4367484 (1983-01-01), Kuroyanagi
patent: 4578698 (1986-03-01), Miki
patent: 4613906 (1986-09-01), Tanaka
patent: 4712130 (1987-12-01), Casey

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