Signal distribution network system

Details Signal distribution network system Signal distribution network system

1989-01-18

1990-05-29

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370124, 455 4, 455 6, 358 86, H04H 108, H04J 102

Patent

active

049301209

ABSTRACT:
A signal distribution cable network system in which frequency division multiplexing is employed to provide a plurality of information channels. A channel allocation controller (CT) allocates free channels on request for the transport of signals from a local signal source (SS1, SS2, SS3) to a signal destination receiver (SR1, SR2, SR3) connected to the network. The local signal source includes a programmable modulator (CFS, VCO, MOD) which is set by the channel controller (CT) to operate at the carrier frequency of the selected channel. The signal level of the signals transmitted by the local signal source is measured in the controller and adjusted to compensate for signal attenuation by a command signal sent by the controller to the programmable modulator in the local signal source.

REFERENCES:
patent: 4488179 (1984-12-01), Kruger et al.
patent: 4527204 (1985-07-01), Kozakai et al.
patent: 4656629 (1987-04-01), Kondoh et al.
patent: 4698670 (1987-10-01), Matty
patent: 4787085 (1988-11-01), Suto et al.

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