Active multiport fiber optic data bus coupler

Details Active multiport fiber optic data bus coupler Active multiport fiber optic data bus coupler

1979-04-02

1981-04-14

Smith, Alfred E.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

350 9615, 455601, G02B 514

Patent

active

042616417

ABSTRACT:
A coupler utilizing a repeater. Dedicated transmit and receive lines interconnect transmitters and receivers with the data bus and, receive lines from other hybrid lines are optically isolated by approximately 23 db from the receiver in the repeater by first and second mixers, isolation of the receiver from signals originating from other couplers preventing race conditions. Power equalization is inherent since signals from other couplers are received at nearly the same signal level as signals from local transmitters, repeater transmitter levels being adjustable for compensation for any small difference occurring due to coupler power splitting and line losses.

REFERENCES:
patent: 3883217 (1975-05-01), Love et al.
patent: 3936141 (1976-02-01), Milton
patent: 4027153 (1977-05-01), Koch
patent: 4107518 (1978-08-01), McMahon
patent: 4112293 (1978-09-01), Koch
patent: 4166946 (1979-09-01), Chown et al.
Fiber Optics Applications in the Shipboard Data Multiplex System, (Final Report) Naval Electronics Laboratory Center, Aug. 76, San Diego, Calif.
McMahon et al., "Star Repeaters for Fiber Optic Links", Applied Optics, vol. 16, No. 2, Feb. 1977, pp. 501-503.
Porter, D. R., An Experimental Fiber Optic Data Bus System, Boeing Commercial Airplane Co., Feb. 1978, Seattle, Wash., pp. We5.1-We5.13.

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