Cable sensor for sensing a DC signal from a cable headend

Details Cable sensor for sensing a DC signal from a cable headend Cable sensor for sensing a DC signal from a cable headend

1985-08-08

1986-12-16

Ng, Jin F.

Telecommunications

Audience survey or program distribution use accounting

455 4, 358 84, 358 86, H04B 1700, H04H 900, H04N 710

Patent

active

046303138

ABSTRACT:
A cable sensor for sensing a DC signal sent by a cable system's headend in order to switch a converter from converting one set of frequencies to another. When the cable sensor detects such a DC signal, it provides isolation from the DC for a cable tv ratings monitor connected to the cable system and further provides a signal to the monitor that the signal has occurred in order for the monitor to switch frequency/program assignments.

REFERENCES:
patent: 4058829 (1977-11-01), Thompson
patent: 4443815 (1984-04-01), Hempell

Affiliated with

Also associated with

Rating

Cable sensor for sensing a DC signal from a cable headend does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cable sensor for sensing a DC signal from a cable headend, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cable sensor for sensing a DC signal from a cable headend will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-250773