Optical communication network using redundant waveguides and two

Details Optical communication network using redundant waveguides and two Optical communication network using redundant waveguides and two

1990-09-24

1992-05-12

Coles, Sr., Edward L.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

H04J 1400

Patent

active

051132761

ABSTRACT:
In an optical communication network for multiplex operation, a light waveguide is conducted up to a branching point proceeding from a respective distributing location. A division of the signals into two sub-signals with a directional coupler occurs at this branching point. A second light waveguide that is connected to the second input of the directional coupler is additionally laid between the distributing and the branching point. A switching onto the second light waveguide is provided. A system is described for two-way management using a pair of direction couplers connected crossed to a plurality of direction couplers on the subscriber side.

REFERENCES:
patent: 4062043 (1977-12-01), Zeidler
patent: 4726010 (1988-02-01), Ali et al.
patent: 4787692 (1988-11-01), Spanke
patent: 4910726 (1990-03-01), Stanley

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