JPS55155304A - Photo switch - Google Patents

Photo switch

Info

Publication number
JPS55155304A
JPS55155304A JP6426879A JP6426879A JPS55155304A JP S55155304 A JPS55155304 A JP S55155304A JP 6426879 A JP6426879 A JP 6426879A JP 6426879 A JP6426879 A JP 6426879A JP S55155304 A JPS55155304 A JP S55155304A
Authority
JP
Japan
Prior art keywords
light
state
shutter
assumes
light input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6426879A
Other languages
Japanese (ja)
Inventor
Yoichi Nagata
Tetsuo Sawada
Kazuhito Onishi
Hideki Ishio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP6426879A priority Critical patent/JPS55155304A/en
Publication of JPS55155304A publication Critical patent/JPS55155304A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/353—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being a shutter, baffle, beam dump or opaque element
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
    • G02B6/3548—1xN switch, i.e. one input and a selectable single output of N possible outputs
    • G02B6/355—1x2 switch, i.e. one input and a selectable single output of two possible outputs

Abstract

PURPOSE:To obtain the inexpensive photo switch by simple construction by inserting a shutter between the synthesizing part of the light beam from the 1st and 2nd light input terminals and both light input parts thereof. CONSTITUTION:The optical path is constituted by coupling the 1st and 2nd light input terminals 1, 2 to a light output terminal 3 by means of optical fibers 31a, 31b, 32a, 32b, 33. The optical fibers 31b, 32b and 33 are integrated at their intermediate to form a light synthesizing part 34. In addition, a shutter 35 is inserted between the 1st and 2nd light input terminals 1, 2 and light synthesizing part 34. The shutter 35 made by non-light transmittable material assumes a chevron shape and so designed as to turn about the axis 36. In the state of the solid line, it assumes the 1st stable state that the optical path 9 is perfectly connected and the optical path 10 is shut off. In the state of the dotted line, it assuems the 2nd stable state being opposite therefrom and in the state of the chain line, it assumes the 3rd stable state that both optical paths 9, 10 are perfectly coupled. In this way, the inexpensive photo switch of the simple construction may be obtained.
JP6426879A 1979-05-23 1979-05-23 Photo switch Pending JPS55155304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6426879A JPS55155304A (en) 1979-05-23 1979-05-23 Photo switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6426879A JPS55155304A (en) 1979-05-23 1979-05-23 Photo switch

Publications (1)

Publication Number Publication Date
JPS55155304A true JPS55155304A (en) 1980-12-03

Family

ID=13253277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6426879A Pending JPS55155304A (en) 1979-05-23 1979-05-23 Photo switch

Country Status (1)

Country Link
JP (1) JPS55155304A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62178209A (en) * 1986-01-31 1987-08-05 Tokyo Juki Ind Co Ltd Optical switch
JPH075116U (en) * 1990-12-06 1995-01-24 ジューキ株式会社 Optical switch

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1212743B (en) * 1963-05-20 1966-03-17 Hartmann & Braun Ag Photometer with beam splitting
US3354319A (en) * 1967-06-14 1967-11-21 Bausch & Lomb Optical illumination and sensing system including a plurality of optical fiber means

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1212743B (en) * 1963-05-20 1966-03-17 Hartmann & Braun Ag Photometer with beam splitting
US3354319A (en) * 1967-06-14 1967-11-21 Bausch & Lomb Optical illumination and sensing system including a plurality of optical fiber means

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62178209A (en) * 1986-01-31 1987-08-05 Tokyo Juki Ind Co Ltd Optical switch
JPH075116U (en) * 1990-12-06 1995-01-24 ジューキ株式会社 Optical switch

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