AGC circuit used in a CATV receiver

Details AGC circuit used in a CATV receiver AGC circuit used in a CATV receiver

1984-09-05

1988-03-15

Buczinski, Stephen C.

Cryptography

Key management

Having particular key generator

358176, H04N 7167

Patent

active

047318384

ABSTRACT:
An AGC circuit used in a subscriber's receiver of a CATV system in which the television signal is scramble-modulated so that only subscribers are allowed to view toll programs, wherein the detected video signal is conducted through a low-pass filter to extract the vertical sync signal, a keying pulse is produced in response to the vertical sync signal, and the AGC operation is performed by the keying pulse in accordance with the magnitude of the vertical sync signal.

REFERENCES:
patent: 3531590 (1970-09-01), Jachim
patent: 4024575 (1977-05-01), Harney et al.
patent: 4100575 (1978-07-01), Morio et al.
patent: 4472739 (1984-09-01), Kishida et al.

Affiliated with

Also associated with

Rating

AGC circuit used in a CATV receiver does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with AGC circuit used in a CATV receiver, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and AGC circuit used in a CATV receiver will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1930750