1986-05-01
1987-12-29
Lee, John
350 9615, 350 9616, 350 9624, G02B 636
Patent
active
047156732
ABSTRACT:
An optical switch having a small number of optical connections includes a substrate in which are provided a first light path for conducting optical signals and a second light path consisting of a photosensitive element and light emitting element in pairs. An optical fiber cable is interrupted by the substrate, and optical signals in the fiber cable are transmitted through the first light path or intervened by an electrical system through the second light path in response to the switching movement of the substrate.
REFERENCES:
patent: 4148558 (1979-04-01), Schuck
patent: 4188708 (1980-02-01), Frederiksen
Moore et al, "Optical Bypass Switch", IBM Technical Disclosure Bulletin, vol. 25, No. 7A, Dec. 1982, pp. 3430-3432.
Arima Hideo
Koakutsu Yasumasa
Noro Takanobu
Onoda Seiichi
Takeuchi Tamio
Hitachi , Ltd.
Lee John
Ngo John
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