Optical fiber crossover switching apparatus

Details Optical fiber crossover switching apparatus Optical fiber crossover switching apparatus

1982-05-05

1986-02-04

Sikes, William L.

350 9615, G02B 517, G02B 726

Patent

active

045681430

ABSTRACT:
An optical switching apparatus comprises a stationary block and a movable block. The stationary block abuts on one face of the movable block. The stationary block holds a first and a second input optical fiber and a first and a second output optical fiber. The movable block holds four coupling optical fibers each at both end portions, each coupling optical fiber being an open loop. The movable block may move from a first position to a second position, or vice versa. As long as the movable block stays in the first position, both end faces of the first coupling optical fiber face one end face of the first input optical fiber and one end face of the first output optical fiber, respectively, and both end faces of the second coupling optical fiber face one end face of the second input fiber and one end face of the second output optical fiber, respectively. When the movable block is moved in the second position, both end faces of the third coupling optical fiber face one end face of the first input optical fiber and one end face of the second output optical fiber, respectively, and both end faces of the fourth coupling optical fiber face one end face of the second input optical fiber and one end of the first output optical fiber, respectively.

REFERENCES:
patent: 4124271 (1978-11-01), Green
Burke et al., IBM Technical Disclosure Bulletin, vol. 18, No. 2, Jul. 1975, "Fiber Optic Repeater Bypass Switch", pp. 481-482.

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