Optical composite transceiver

Details Optical composite transceiver Optical composite transceiver

1986-11-13

1989-02-28

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

370 1, 455612, H04B 900

Patent

active

048093610

ABSTRACT:
An optical composite transceiver for a bus type local area network (LAN) system using a U-shaped or S-shaped optical fiber cable as a one-way transmission line, and using a carrier sense multiple access/collision detection (CSMA/CD) method and a half duplex communication method, the optical composite transceiver includes: optical couplers for sending and branching data to and from the optical fiber cable; an electric-to-optical converter and an optical-to-electric converter for converting an electric signal to an optical signal and an optical signal to an electric signal; an inner coaxial cable provided within the optical composite transceiver; a plurality of coaxial transceivers connected to the inner coaxial cable; and a control unit having access functions for sending and receiving data, and a collision detection function, and operatively connected to one of the inner coaxial transceivers.

REFERENCES:
patent: 4481626 (1984-11-01), Boggs et al.
patent: 4562582 (1985-12-01), Tokura et al.
IEEE Standards for Local Area Networks: Carrier Sense Multiple Access with Collison Detection (CSMA/CD) Access.
Method and Physical Layer Specifications, IEEE Computer Society, Dec. 1984, pp. 139 and 142.

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