Reversible Optical Switch

Details Reversible Optical Switch Reversible Optical Switch

1988-07-19

1989-10-17

Lee, John D.

350 9615, 350 9621, G02B 636

Patent

active

048742180

ABSTRACT:
A reversible optical switch which allows a node to be inserted into or removed from a fiber optic network is disclosed. In a first state, the switch of the present invention provides a path between an incoming optical fiber and the node receiver and a path between the node transmitter and an outgoing optical fiber. In a second state, the switch connects the incoming and outgoing fibers, so that the network bypasses the node and connects the transmitter and receiver so that the bypassed node can be tested.

REFERENCES:
patent: 4148558 (1979-04-01), Schuck
patent: 4401365 (1983-08-01), Mizokawa et al.
patent: 4650278 (1987-03-01), Maciejko et al.
patent: 4715673 (1987-12-01), Noro et al.
patent: 4789215 (1988-12-01), Anderson et al.
Patent abstracts of Japan, vol. 11, No. 311, (P-625)[2758], 10/12/87 & Jp-A-62 102 219, (Toshiba Corp.), 12/05/87.
Patent abstracts of Japan, vol. 7, No. 204 (E197)[1349], 9-9-83 & JP-A-58 101 536.
Patent abstracts of Japan, vol. 11, No. 298, (P-620)[2745], 9-26-87 & JP-A-62 90 613, (Toshiba Corp.).

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