JPS51120740A - Light branching device - Google Patents

Light branching device

Info

Publication number
JPS51120740A
JPS51120740A JP50046204A JP4620475A JPS51120740A JP S51120740 A JPS51120740 A JP S51120740A JP 50046204 A JP50046204 A JP 50046204A JP 4620475 A JP4620475 A JP 4620475A JP S51120740 A JPS51120740 A JP S51120740A
Authority
JP
Japan
Prior art keywords
branching device
light branching
light
branching
regarding
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
JP50046204A
Other languages
Japanese (ja)
Inventor
Kikuo Doi
Shunsuke Nonaka
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50046204A priority Critical patent/JPS51120740A/en
Publication of JPS51120740A publication Critical patent/JPS51120740A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2817Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using reflective elements to split or combine optical signals

Abstract

PURPOSE:Regarding a device for branching from the fiber used in light communications, to eliminate unnecessary lights above the secondary reflection light with the use of a half mirror.
JP50046204A 1975-04-15 1975-04-15 Light branching device Pending JPS51120740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50046204A JPS51120740A (en) 1975-04-15 1975-04-15 Light branching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50046204A JPS51120740A (en) 1975-04-15 1975-04-15 Light branching device

Publications (1)

Publication Number Publication Date
JPS51120740A true JPS51120740A (en) 1976-10-22

Family

ID=12740544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50046204A Pending JPS51120740A (en) 1975-04-15 1975-04-15 Light branching device

Country Status (1)

Country Link
JP (1) JPS51120740A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61176523U (en) * 1985-04-19 1986-11-04

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743378A (en) * 1971-07-30 1973-07-03 Ampex Optical intensity matching means for two light beams

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743378A (en) * 1971-07-30 1973-07-03 Ampex Optical intensity matching means for two light beams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61176523U (en) * 1985-04-19 1986-11-04

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