Cable television communication system with passive sensor signal

Details Cable television communication system with passive sensor signal Cable television communication system with passive sensor signal

1985-05-30

1988-02-02

George, Keith E.

Facsimile and static presentation processing

Static presentation processing

Attribute control

455 4, 455 5, H04N 710, H04H 100

Patent

active

047244780

ABSTRACT:
A cable television system includes security means. A security sensor is provided a subscriber's house and when it generates an emergency signal a transmission path is formed by non-active elements from the security sensor to a trunk cable. An external control unit has a checking function of a power supplying state to the security sensor. The external control unit can communicate with a central station with respect to power source conditions of subscribers.

REFERENCES:
patent: 3993955 (1976-11-01), Belcher et al.
patent: 4015074 (1977-03-01), Inoue et al.
patent: 4075628 (1978-03-01), Masuda
patent: 4081753 (1978-03-01), Miller
patent: 4343042 (1982-08-01), Schrock et al.
patent: 4442320 (1984-04-01), James et al.
patent: 4475123 (1984-10-01), Dumbauld et al.
patent: 4484217 (1984-11-01), Block et al.
patent: 4484218 (1984-11-01), Boland et al.
patent: 4494111 (1985-01-01), Rocci et al.
patent: 4510623 (1985-04-01), Bonneau et al.
patent: 4521643 (1985-06-01), Dupuis et al.
patent: 4530008 (1985-07-01), McVoy et al.
patent: 4536791 (1985-08-01), Campbell et al.
patent: 4566030 (1986-01-01), Nickerson et al.
patent: 4574305 (1986-03-01), Campbell et al.
patent: 4577221 (1986-03-01), Skinner, Sr. et al.
patent: 4684980 (1987-08-01), Rast et al.
patent: 4686564 (1987-08-01), Masuko et al.

Affiliated with

Also associated with

Rating

Cable television communication system with passive sensor signal 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 television communication system with passive sensor signal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cable television communication system with passive sensor signal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1286190