Optical matrix switch with coupler elements

Details Optical matrix switch with coupler elements Optical matrix switch with coupler elements

1990-05-08

1991-03-26

Ullah, Akm

350 9616, G02B 626, G02B 628

Patent

active

050023551

ABSTRACT:
An optical matrix switch has N input ports and M output ports and M number of fiber optics coupler elements. One each of the coupler elements is connected to one each of the output ports directly via a fiber optics transmission line. The matrix switch further comprises N.times.M number of 1.times.2 fiber optics switch elements with each number 1/N of the total of such 1.times.2 switch elements connected via a fiber optics transmission line to the input port or to a preceding 1.times.2 switch element and to one of the coupler elements.

REFERENCES:
patent: 3883223 (1975-05-01), Hudson
patent: 4329017 (1982-05-01), Kapaney et al.
patent: 4479697 (1984-10-01), Kapaney et al.
patent: 4787692 (1988-11-01), Spanke
patent: 4822124 (1989-04-01), Suzuki
patent: 4854660 (1989-08-01), Gutterman et al.
patent: 4932736 (1990-06-01), Su

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