JPS57115041A - Multiplex transmission system for light wavelength - Google Patents

Multiplex transmission system for light wavelength

Info

Publication number
JPS57115041A
JPS57115041A JP56000683A JP68381A JPS57115041A JP S57115041 A JPS57115041 A JP S57115041A JP 56000683 A JP56000683 A JP 56000683A JP 68381 A JP68381 A JP 68381A JP S57115041 A JPS57115041 A JP S57115041A
Authority
JP
Japan
Prior art keywords
wavelength
light emitting
emitting elements
multiplex transmission
light
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
JP56000683A
Other languages
English (en)
Inventor
Masataka Ito
Takeshi Koseki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56000683A priority Critical patent/JPS57115041A/ja
Publication of JPS57115041A publication Critical patent/JPS57115041A/ja
Pending legal-status Critical Current

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
    • H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
    • H04B10/85—Protection from unauthorised access, e.g. eavesdrop protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
JP56000683A 1981-01-08 1981-01-08 Multiplex transmission system for light wavelength Pending JPS57115041A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56000683A JPS57115041A (en) 1981-01-08 1981-01-08 Multiplex transmission system for light wavelength

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56000683A JPS57115041A (en) 1981-01-08 1981-01-08 Multiplex transmission system for light wavelength

Publications (1)

Publication Number Publication Date
JPS57115041A true JPS57115041A (en) 1982-07-17

Family

ID=11480553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56000683A Pending JPS57115041A (en) 1981-01-08 1981-01-08 Multiplex transmission system for light wavelength

Country Status (1)

Country Link
JP (1) JPS57115041A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951633A (ja) * 1982-09-17 1984-03-26 Fuji Electric Corp Res & Dev Ltd 光多重回路
US6483625B2 (en) 1999-07-01 2002-11-19 Fujitsu Limited WDM optical transmission apparatus
JP2013045374A (ja) * 2011-08-25 2013-03-04 Yasutomo Higashi データ漏洩を防止するための通信媒体およびデータ通信システム

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951633A (ja) * 1982-09-17 1984-03-26 Fuji Electric Corp Res & Dev Ltd 光多重回路
JPH0119778B2 (ja) * 1982-09-17 1989-04-13 Fuji Denki Sogo Kenkyusho Kk
US6483625B2 (en) 1999-07-01 2002-11-19 Fujitsu Limited WDM optical transmission apparatus
JP2013045374A (ja) * 2011-08-25 2013-03-04 Yasutomo Higashi データ漏洩を防止するための通信媒体およびデータ通信システム

Similar Documents

Publication Publication Date Title
AU542032B2 (en) Optical multiplex system
JPS57104339A (en) Optical communication network
GB2257320B (en) An optical communication system
EP0202602A3 (en) Optical fiber data link system
ES8503187A1 (es) Perfeccionamientos en dispositivos de conmutacion que tienen capacidad de conmutacion a distancia
CA2176682A1 (en) Optical Communication Method for Performing Communication Using a Plurality of Wavelengths, and Optical Communication System for Performing Communication Using a Plurality of Wavelengths
JPS57115041A (en) Multiplex transmission system for light wavelength
US4430572A (en) Device for separating two light signals emitted by sources having different wavelengths and transmitted in a single optical fiber
CA2032440A1 (en) Transmission system using parallel optic links to achieve enhanced dynamic range
CA2017105A1 (en) Optical coupler
JPS57109489A (en) Color solid image pickup device
JPS56153879A (en) Light source for facsimile or the like
AU2001292144A1 (en) Optical transmission system
JPS62168436A (ja) 光伝送装置
JPS5372643A (en) Simultaneous modulating system for multiple beams
JPS57138187A (en) Optical transmission network
JPS56112141A (en) Wave length multiplex-loop type network
DK33384A (da) Digital koncentrator
JPS57194645A (en) Optical multiplex transmission system
JPS568933A (en) Data transmission system with time-division multiplex and wavelength-division multiplex combined
JPS6489693A (en) Light waveguide communication system
JPS6430347A (en) Light self routing channel
JPS6444903A (en) Bidirectional optical communication network
JPS6253031A (ja) 波長多重光フアイバ伝送方式
JPS63110828A (ja) 波長分割多重光通信装置