FR2236319A1 - - Google Patents
Info
- Publication number
- FR2236319A1 FR2236319A1 FR7423451A FR7423451A FR2236319A1 FR 2236319 A1 FR2236319 A1 FR 2236319A1 FR 7423451 A FR7423451 A FR 7423451A FR 7423451 A FR7423451 A FR 7423451A FR 2236319 A1 FR2236319 A1 FR 2236319A1
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
-
- 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
- G02B6/2808—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 a mixing element which evenly distributes an input signal over a number of outputs
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US376575A US3883217A (en) | 1973-07-05 | 1973-07-05 | Optical communication system |
US376581A US3874781A (en) | 1973-07-05 | 1973-07-05 | Coupler for optical communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2236319A1 true FR2236319A1 (ja) | 1975-01-31 |
FR2236319B1 FR2236319B1 (ja) | 1979-05-25 |
Family
ID=27007474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7423451A Expired FR2236319B1 (ja) | 1973-07-05 | 1974-07-05 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5816374B2 (ja) |
CA (1) | CA997181A (ja) |
DE (1) | DE2428570C2 (ja) |
FR (1) | FR2236319B1 (ja) |
GB (1) | GB1479298A (ja) |
IT (1) | IT1015697B (ja) |
NL (1) | NL183693C (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2408252A1 (fr) * | 1977-11-03 | 1979-06-01 | Elliott Brothers London Ltd | Reseau de communications a fibres optiques |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5528090B2 (ja) * | 1974-06-06 | 1980-07-25 | ||
FR2298237A1 (fr) * | 1975-01-14 | 1976-08-13 | Thomson Csf | Systeme de transmission optique par guides de lumiere |
JPS5259502A (en) * | 1975-11-11 | 1977-05-17 | Nec Corp | Data transmission system using light fiber cable data highway |
DE2703034C2 (de) * | 1977-01-26 | 1984-08-02 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Koppelanordnung für vielwellige Glasfaser-Nachrichtensysteme |
DE2812346A1 (de) * | 1977-03-23 | 1978-09-28 | Tokyo Shibaura Electric Co | Lichtverteiler |
JPS5545238A (en) * | 1978-09-25 | 1980-03-29 | Matsushita Electric Ind Co Ltd | Optical fiber transmission system |
JPS5938777B2 (ja) * | 1979-04-27 | 1984-09-19 | 日本電信電話株式会社 | 光波長分割多重伝送による通信網 |
DE3123445A1 (de) * | 1981-06-12 | 1982-12-30 | Siemens AG, 1000 Berlin und 8000 München | Netzwerk mit einer vielzahl von ueber optische mischer miteinander verbindbaren optischen signaluebertragungsleitungen |
DE3123446A1 (de) * | 1981-06-12 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Anordnung zur steuerung des buszugriffs einer vielzahl von einen bus benutzenden einrichtungen in einem mit zumindest zwei optischen mischern als passives bussystem aufgebauten netzwerk, insb. fuer mehrrechnersysteme |
US4511208A (en) * | 1981-11-26 | 1985-04-16 | Tokyo Shibaura Denki Kabushiki Kaisha | Optical communication system |
US4810052A (en) * | 1986-01-07 | 1989-03-07 | Litton Systems, Inc | Fiber optic bidirectional data bus tap |
JPS6427330A (en) * | 1987-07-23 | 1989-01-30 | Kokusai Denshin Denwa Co Ltd | Optical fiber branching system |
JPH0777367B2 (ja) * | 1987-08-14 | 1995-08-16 | 富士通株式会社 | 双方向光通信網 |
JP2685894B2 (ja) * | 1989-05-09 | 1997-12-03 | 古河電気工業株式会社 | 光配線方式 |
JP2697208B2 (ja) * | 1989-12-08 | 1998-01-14 | 日立電線株式会社 | 複数地点間双方向伝送方法 |
JP2653410B2 (ja) * | 1990-12-28 | 1997-09-17 | 富士ゼロックス株式会社 | スターカプラ及び光通信ネットワーク |
JP2658667B2 (ja) * | 1991-08-31 | 1997-09-30 | 日本電気株式会社 | 光ファイバーケーブル用分岐切り換え装置 |
US10921182B2 (en) * | 2018-10-31 | 2021-02-16 | Taiwan Semiconductor Manufacturing Company Limited | Polarization independent optoelectronic device and method |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3455667A (en) * | 1966-05-06 | 1969-07-15 | American Optical Corp | Method of making optical couplers |
US3455625A (en) * | 1966-06-23 | 1969-07-15 | Bausch & Lomb | Optical fiber bundle coupling system |
DE1254513B (de) * | 1966-12-21 | 1967-11-16 | Telefunken Patent | Mehrstufiges UEbertragungssystem fuer in Pulscodemodulation dargestellte Nachrichten |
US3541341A (en) * | 1968-02-21 | 1970-11-17 | Gen Electric | Redundant fiber-optic light guide construction |
DE1927006B2 (de) * | 1968-07-06 | 1971-05-27 | Optisches multiplex uebertragungssystem | |
DE1801999B2 (de) * | 1968-10-09 | 1973-11-08 | Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm | Breitbandige Ubertragungskanale auf weisendes Nachrichtenübertragungssystem mit einer Vielzahl von Teilnehmern |
DE2144780A1 (de) * | 1971-09-08 | 1973-03-15 | Licentia Gmbh | Nachrichtenuebertragungssystem mit einem kabel mit parallelgefuehrten glasfaserlichtleitungen |
DE2205996B2 (de) * | 1972-02-09 | 1975-05-15 | Rank Precision Industries Gmbh, 8500 Nuernberg | Faseroptische Lichtleiteranordnung, insbesondere Reflexionsschranke |
-
1974
- 1974-04-23 CA CA197,972A patent/CA997181A/en not_active Expired
- 1974-06-14 DE DE2428570A patent/DE2428570C2/de not_active Expired
- 1974-07-03 JP JP49076221A patent/JPS5816374B2/ja not_active Expired
- 1974-07-04 NL NLAANVRAGE7409066,A patent/NL183693C/xx not_active IP Right Cessation
- 1974-07-04 GB GB29653/74A patent/GB1479298A/en not_active Expired
- 1974-07-05 IT IT24841/74A patent/IT1015697B/it active
- 1974-07-05 FR FR7423451A patent/FR2236319B1/fr not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2408252A1 (fr) * | 1977-11-03 | 1979-06-01 | Elliott Brothers London Ltd | Reseau de communications a fibres optiques |
Also Published As
Publication number | Publication date |
---|---|
NL7409066A (nl) | 1975-01-07 |
IT1015697B (it) | 1977-05-20 |
DE2428570A1 (de) | 1975-01-23 |
CA997181A (en) | 1976-09-21 |
DE2428570C2 (de) | 1987-02-26 |
GB1479298A (en) | 1977-07-13 |
NL183693C (nl) | 1988-12-16 |
JPS5039403A (ja) | 1975-04-11 |
FR2236319B1 (ja) | 1979-05-25 |
JPS5816374B2 (ja) | 1983-03-31 |
NL183693B (nl) | 1988-07-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |