Communications system and network

Details Communications system and network Communications system and network

1982-06-16

1984-05-29

Psitos, Aristotelis M.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455 17, 455 20, 455 56, 455 62, 343370, H04M 1100, H04B 714, H04B 720, H04B 1700

Patent

active

044516991

ABSTRACT:
A communications system and network wherein communications links between subscribers are established by retrodirective oscillating loops between each subscriber and a node station. Provision is also made for establishment of retrodirective oscillating loops between nodes so that remotely located subscribers can communicate. Information is transmitted between subscribers by using a mixing process in the node whereby information transmitted from one subscriber to a node is transferred to a carrier signal transmitted between nodes or between a second node and another subscriber. A sampling technique is also described for use in the node which greatly minimizes the amount of apparatus required to implement the mixing process.

REFERENCES:
patent: 4004098 (1977-01-01), Shimasaki
patent: 4292685 (1981-09-01), Lee
patent: 4337376 (1982-06-01), Gruenberg

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