JPS54138305A - Transmission unit of optical multiplex modulation - Google Patents

Transmission unit of optical multiplex modulation

Info

Publication number
JPS54138305A
JPS54138305A JP4702978A JP4702978A JPS54138305A JP S54138305 A JPS54138305 A JP S54138305A JP 4702978 A JP4702978 A JP 4702978A JP 4702978 A JP4702978 A JP 4702978A JP S54138305 A JPS54138305 A JP S54138305A
Authority
JP
Japan
Prior art keywords
output
photo
signal
transmission
transmission unit
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
JP4702978A
Other languages
Japanese (ja)
Inventor
Yasuhiro Kamikubo
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4702978A priority Critical patent/JPS54138305A/en
Publication of JPS54138305A publication Critical patent/JPS54138305A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To constitute the transmission unit enabling the analog multiplex transmission or the analog digital multiplex transmission, by connecting the optical transmitter and receiver different in the wave length with the photo brancher and coupler. CONSTITUTION:At the transmission side, the output of a plurality of optical signal transmitters 23, 24 using light emitting elements emitting different wave lengths is fed to the photo mixer 25, which transmits the mixed output to the reception side via one optical fiber transmission line 26. Further, at the reception side, each photo signal incoming is received at the distributor 27 to distribute each photo signal. The distributed output is fed to a plurality of photo signal receivers 28, 19 constituted with each wave length sensing element to output reception signal to the output of the receivers 28 and 29.
JP4702978A 1978-04-19 1978-04-19 Transmission unit of optical multiplex modulation Pending JPS54138305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4702978A JPS54138305A (en) 1978-04-19 1978-04-19 Transmission unit of optical multiplex modulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4702978A JPS54138305A (en) 1978-04-19 1978-04-19 Transmission unit of optical multiplex modulation

Publications (1)

Publication Number Publication Date
JPS54138305A true JPS54138305A (en) 1979-10-26

Family

ID=12763745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4702978A Pending JPS54138305A (en) 1978-04-19 1978-04-19 Transmission unit of optical multiplex modulation

Country Status (1)

Country Link
JP (1) JPS54138305A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108053U (en) * 1983-12-23 1985-07-23 富士通株式会社 electronic equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51132903A (en) * 1975-05-14 1976-11-18 Fujitsu Ltd Light transmission apparatus
JPS537A (en) * 1976-06-24 1978-01-05 Canon Inc Multiple transmission system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51132903A (en) * 1975-05-14 1976-11-18 Fujitsu Ltd Light transmission apparatus
JPS537A (en) * 1976-06-24 1978-01-05 Canon Inc Multiple transmission system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108053U (en) * 1983-12-23 1985-07-23 富士通株式会社 electronic equipment
JPH0247649Y2 (en) * 1983-12-23 1990-12-14

Similar Documents

Publication Publication Date Title
DE69021083D1 (en) Telecommunication system.
EP0346925A3 (en) Private branch radio communication system using optical fibers
ES487624A1 (en) Fiber optic signal conditioning circuit
JPS54138305A (en) Transmission unit of optical multiplex modulation
JPS56106111A (en) Pulse transmitter
JPS5687946A (en) Optical fiber communication equipment
JPS57138187A (en) Optical transmission network
JPS56114457A (en) Wavelength-multiplex ring bus system
JPS5628538A (en) Optical multiplex transmission system
JPS55158744A (en) Light wavelength control system for optical multiplex communication system
JPS54140405A (en) Optical communication system
JPS5675735A (en) Optical data way device
JPS5384515A (en) Multiplex communication system
EP0469382A3 (en) Transmission apparatus for transmitting messages and additional signals
JPS568933A (en) Data transmission system with time-division multiplex and wavelength-division multiplex combined
JPS5691542A (en) Data transmitter
JPS5619236A (en) Branch repeater
JPS555508A (en) Optical data communication system
JPS56128045A (en) Signal transmission system
JPS6451736A (en) Coherent light communication system
JPS5516547A (en) Single-wire two-way photo transmitter
JPS5669942A (en) Light wavelength multiplex transmitter
FR2377675A1 (en) Frequency multiplexed alarm signal system - allows large number of alarm signals to be transmitted over common cable (NL 19.7.78)
JPS55140342A (en) Optical fiber digital transmission unit
JPS5737942A (en) Optical signal relay system