CA997181A - Optical communication system - Google Patents
Optical communication systemInfo
- Publication number
- CA997181A CA997181A CA197,972A CA197972A CA997181A CA 997181 A CA997181 A CA 997181A CA 197972 A CA197972 A CA 197972A CA 997181 A CA997181 A CA 997181A
- Authority
- CA
- Canada
- Prior art keywords
- communication system
- optical communication
- optical
- communication
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title 1
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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Computing Systems (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US376581A US3874781A (en) | 1973-07-05 | 1973-07-05 | Coupler for optical communication system |
US376575A US3883217A (en) | 1973-07-05 | 1973-07-05 | Optical communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA997181A true CA997181A (en) | 1976-09-21 |
Family
ID=27007474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA197,972A Expired CA997181A (en) | 1973-07-05 | 1974-04-23 | Optical communication system |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5816374B2 (nl) |
CA (1) | CA997181A (nl) |
DE (1) | DE2428570C2 (nl) |
FR (1) | FR2236319B1 (nl) |
GB (1) | GB1479298A (nl) |
IT (1) | IT1015697B (nl) |
NL (1) | NL183693C (nl) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5528090B2 (nl) * | 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 |
US4234970A (en) * | 1977-11-03 | 1980-11-18 | Elliott Brothers (London) Limited | Fiber optic communication system |
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 |
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 |
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 |
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 GB GB29653/74A patent/GB1479298A/en not_active Expired
- 1974-07-04 NL NLAANVRAGE7409066,A patent/NL183693C/nl not_active IP Right Cessation
- 1974-07-05 IT IT24841/74A patent/IT1015697B/it active
- 1974-07-05 FR FR7423451A patent/FR2236319B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL183693B (nl) | 1988-07-18 |
NL183693C (nl) | 1988-12-16 |
JPS5816374B2 (ja) | 1983-03-31 |
DE2428570C2 (de) | 1987-02-26 |
NL7409066A (nl) | 1975-01-07 |
DE2428570A1 (de) | 1975-01-23 |
FR2236319B1 (nl) | 1979-05-25 |
JPS5039403A (nl) | 1975-04-11 |
FR2236319A1 (nl) | 1975-01-31 |
IT1015697B (it) | 1977-05-20 |
GB1479298A (en) | 1977-07-13 |
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