Limiter circuit for preventing blooming in a video display termi

Details Limiter circuit for preventing blooming in a video display termi Limiter circuit for preventing blooming in a video display termi

1986-08-04

1988-07-26

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358169, H04N 552, H04N 557

Patent

active

047604506

ABSTRACT:
A limiter circuit for video display terminal which produces contrast voltage comprises an amplifier for amplifying video signals received from a source thereof, and a series of transistors receiving the video signal from the amplifier, arranged for selectively limiting the occurrence of blooming on the display terminal in response to the value of the contrast voltage of the terminal.

REFERENCES:
patent: 3205446 (1965-09-01), Altemus
patent: 3980815 (1976-09-01), Kaneko

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