Switched network telephone subscriber distribution system

Details Switched network telephone subscriber distribution system Switched network telephone subscriber distribution system

1979-08-01

1981-08-18

Popek, Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455 11, 455 54, H04B 714

Patent

active

042848482

ABSTRACT:
A network of telephone subscribers, located remote from the primary telephone system, includes subscriber stations having two frequency-agile, multi-channel duplex transceivers for communicating with a central office having one duplex transceiver for each channel. The central station includes controls for automatically configuring subscriber stations as repeaters to permit calls to and from other subscriber stations to be routed through repeater-configured subscriber stations. Signalling is transmitted out of band so that it can be transmitted via intermediate subscriber stations which may be involved in another call. The most direct available route for each call is continuously updated during the progress of the call to minimize the number of subscriber stations involved in the call. Each subscriber station serves two subscriber loops and permits calls between those loops without transmission via the central station. Likewise, calls between subscriber stations do not pass through the central station. The subscriber stations may be mobile radio-telephone stations.

REFERENCES:
patent: 3745462 (1973-07-01), Trimble
patent: 3955140 (1976-05-01), Stephens et al.
patent: 4112257 (1978-09-01), Frost
patent: 4125808 (1978-11-01), Graham
patent: 4152647 (1979-05-01), Gladden et al.

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