Automatic chroma level control circuit for compensating both slo

Details Automatic chroma level control circuit for compensating both slo Automatic chroma level control circuit for compensating both slo

1980-07-23

1983-07-12

Psitos, Aristotelis M.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 949

Patent

active

043934129

ABSTRACT:
When levels of chrominance signals reproduced from a helical scan video tape recorder are controlled, two types of control signals are generated based on a level of color burst signal of the reproduced chrominance signals. One of the two control signals is responsive to relatively rapid level changes, and the other thereof is responsive to stationary errors based on head-tape contacting pressure changes during one revolution of a rotary video head.

REFERENCES:
patent: 4041526 (1977-08-01), Kaneko
patent: 4356506 (1982-10-01), Yamamitsu

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