Phase-locked looped synchronous video detector circuit

Details Phase-locked looped synchronous video detector circuit Phase-locked looped synchronous video detector circuit

1993-10-21

1994-12-27

Kostak, Victor R.

Television

Receiver circuitry

Automatic frequency control

348536, H04N 550

Patent

active

053769740

ABSTRACT:
A video detector has a PLL, a bias circuit, a synchronous detector for detecting a video IF signal by using the output of a VCO, and a lock detector for detecting whether the PLL is locked. The PLL has the VCO, a phase comparator, and a low-pass filter. In the video detector the supply of the direct current from the bias circuit is halted while said lock detector detects that the PLL is locked.

REFERENCES:
patent: 4031549 (1977-06-01), Rast et al.

Affiliated with

Also associated with

Rating

Phase-locked looped synchronous video detector 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 Phase-locked looped synchronous video detector circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Phase-locked looped synchronous video detector circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-922029