Optical waveguides – With optical coupler – Switch
Patent
1991-09-30
1993-02-09
Ullah, Akm E.
Optical waveguides
With optical coupler
Switch
G02B 600, G02B 636
Patent
active
051858258
ABSTRACT:
Disclosed in an optical switching connector provided with a first and second ferrule disposed with end faces thereof abutting on each other and two reference pins disposed in parallel at a predetermined interval. The first and second ferrules have two parallel pin holes, respectively. The two reference pins are inserted in the pin holes. The pin holes have an elongated sectional shape enabling the reference pins to move laterally by exactly a certain movement pitch. The first and second ferrules are able to be positioned at one position determined by one of the inside surfaces of the pin holes being pressed against the reference pins and another position determined by the other inside surfaces of the pin holes being pressed against the reference pins. One of the first and second ferrules has fixed in it two or more optical fibers at a pitch of 1
(n being a positive integer) of the above-mentioned certain movement pitch, while the other ferrule has fixed in it one or more optical fibers so to correspond with all or part of the same.
REFERENCES:
patent: 4407562 (1983-10-01), Young
patent: 4568143 (1986-02-01), Yamada et al.
patent: 4607910 (1986-08-01), Thurenius
patent: 4989946 (1991-02-01), Williams et al.
Shigematsu et al, "SM-CBL Transferable Connector", IEICE, Aug. 14, 1991, Tokyo, Japan.
Transactions of the Institute of Electronics and Communication vol. E70, No. 8, Aug. 8, 1987, Tokyo JP pp. 696-690; S. Nagasawa: `a new type of optical switch with a plastic molded ferrule`.
Patent Abstracts of Japan, vol. 12, No. 319 (P-751) (3166) Aug. 30, 1988.
Patent Abstracts of Japan, vol. 12, No. 441 (P-789) (3288) Nov. 21, 1988.
Imamizo Seiichi
Ohta Toshihiko
Shigematsu Takashi
Takagi Koichi
Yamakawa Jun
The Furukawa Electric Co. Ltd.
Ullah Akm E.
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