Power line carrier multi telephone extension system for full dup

Details Power line carrier multi telephone extension system for full dup Power line carrier multi telephone extension system for full dup

1982-11-30

1985-06-11

Orsino, Jr., Joseph A.

Multiplex communications

Wide area network

Packet switching

179 251, H04M 1100

Patent

active

045233071

ABSTRACT:
In a power line carrier telephone extension system for transmitting electrical signals between the telephone line and an extension telephone over the AC electric power line available at a telephone subscriber's premises, that includes a main station for processing signals between the subscriber's telephone line and power lines and two or more extension telephones of the system that plug into the power line, means that provides for two or more of the system telephones to communicate without going on the telephone line (Intercom), even while another system telephone is engaged in an outside telephone call and means are further provided for all telephones of the system to conference in Intercom.

REFERENCES:
patent: 3809815 (1974-05-01), Reed et al.
patent: 3809816 (1974-05-01), Reed et al.
patent: 3949172 (1976-04-01), Brown et al.

Affiliated with

Also associated with

Rating

Power line carrier multi telephone extension system for full dup does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Power line carrier multi telephone extension system for full dup, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power line carrier multi telephone extension system for full dup will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1187344