JPS55105206A - Optical branching and coupling circuit - Google Patents

Optical branching and coupling circuit

Info

Publication number
JPS55105206A
JPS55105206A JP1204579A JP1204579A JPS55105206A JP S55105206 A JPS55105206 A JP S55105206A JP 1204579 A JP1204579 A JP 1204579A JP 1204579 A JP1204579 A JP 1204579A JP S55105206 A JPS55105206 A JP S55105206A
Authority
JP
Japan
Prior art keywords
light
fiber
enters
coupling circuit
optical branching
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.)
Granted
Application number
JP1204579A
Other languages
English (en)
Other versions
JPS5740490B2 (ja
Inventor
Fumio Mita
Shoichi Kurita
Seiji Terai
Toshio Ooya
Michitoshi Nakaya
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP1204579A priority Critical patent/JPS55105206A/ja
Publication of JPS55105206A publication Critical patent/JPS55105206A/ja
Publication of JPS5740490B2 publication Critical patent/JPS5740490B2/ja
Granted 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical 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
    • G02B6/2817—Optical 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
JP1204579A 1979-02-05 1979-02-05 Optical branching and coupling circuit Granted JPS55105206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1204579A JPS55105206A (en) 1979-02-05 1979-02-05 Optical branching and coupling circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1204579A JPS55105206A (en) 1979-02-05 1979-02-05 Optical branching and coupling circuit

Publications (2)

Publication Number Publication Date
JPS55105206A true JPS55105206A (en) 1980-08-12
JPS5740490B2 JPS5740490B2 (ja) 1982-08-27

Family

ID=11794619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1204579A Granted JPS55105206A (en) 1979-02-05 1979-02-05 Optical branching and coupling circuit

Country Status (1)

Country Link
JP (1) JPS55105206A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636028A (en) * 1983-11-10 1987-01-13 Kei Mori Light diverting device
JPS6298305A (ja) * 1985-10-25 1987-05-07 Nippon Telegr & Teleph Corp <Ntt> 導波形光合分波回路
JPH07234334A (ja) * 1993-12-27 1995-09-05 Nec Corp 双方向ラインモニタ

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59209372A (ja) * 1983-05-13 1984-11-27 株式会社ソフイア 球払出装置
JPS6176181A (ja) * 1984-09-22 1986-04-18 株式会社　真城商会 パチンコ機の賞玉放出装置
JPH03162883A (ja) * 1990-11-01 1991-07-12 Mashiro Shokai:Kk パチンコ玉の払出装置
JP2500307B2 (ja) * 1992-07-09 1996-05-29 株式会社ソフィア パチンコ遊技機における球払出装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342845A (en) * 1976-09-30 1978-04-18 Nippon Telegr & Teleph Corp <Ntt> Photo coupling device
JPS5342846A (en) * 1976-09-30 1978-04-18 Nippon Telegr & Teleph Corp <Ntt> Photo coupling device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342845A (en) * 1976-09-30 1978-04-18 Nippon Telegr & Teleph Corp <Ntt> Photo coupling device
JPS5342846A (en) * 1976-09-30 1978-04-18 Nippon Telegr & Teleph Corp <Ntt> Photo coupling device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636028A (en) * 1983-11-10 1987-01-13 Kei Mori Light diverting device
JPS6298305A (ja) * 1985-10-25 1987-05-07 Nippon Telegr & Teleph Corp <Ntt> 導波形光合分波回路
JPH07234334A (ja) * 1993-12-27 1995-09-05 Nec Corp 双方向ラインモニタ
JP2907037B2 (ja) * 1993-12-27 1999-06-21 日本電気株式会社 双方向ラインモニタ

Also Published As

Publication number Publication date
JPS5740490B2 (ja) 1982-08-27

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