Automatic black level setting circuit

Details Automatic black level setting circuit Automatic black level setting circuit

1975-06-09

1976-08-24

Safourek, Benedict V.

Telegraphy

Systems

Simplex-reversing periodic

178DIG26, H04N 516

Patent

active

039768368

ABSTRACT:
A circuit for automatically setting the black level in a television receiver includes a comparator circuit coupled to a source of video signals, an adjustable DC potential, and a disabling potential and providing a control signal representative of a video information signal and vertical blanking signal in excess of a threshold level with a detector and limiter providing a DC potential derived from the control signal for setting the black level of a signal available at the video signal source.

REFERENCES:
patent: 3207998 (1965-09-01), Corney et al.

Affiliated with

Also associated with

Rating

Automatic black level setting circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Automatic black level setting circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic black level setting circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-779941