JPS51130102A - Photo transmission relay - Google Patents

Photo transmission relay

Info

Publication number
JPS51130102A
JPS51130102A JP50054056A JP5405675A JPS51130102A JP S51130102 A JPS51130102 A JP S51130102A JP 50054056 A JP50054056 A JP 50054056A JP 5405675 A JP5405675 A JP 5405675A JP S51130102 A JPS51130102 A JP S51130102A
Authority
JP
Japan
Prior art keywords
transmission relay
photo transmission
photo
relay
miniaturization
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
JP50054056A
Other languages
Japanese (ja)
Inventor
Isao Kobayashi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50054056A priority Critical patent/JPS51130102A/en
Publication of JPS51130102A publication Critical patent/JPS51130102A/en
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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • H04B10/2914—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using lumped semiconductor optical amplifiers [SOA]

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:Miniaturization of the relay through the direct shaping and amplification of photo-signals transmitted by photo-fiber.
JP50054056A 1975-05-06 1975-05-06 Photo transmission relay Pending JPS51130102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50054056A JPS51130102A (en) 1975-05-06 1975-05-06 Photo transmission relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50054056A JPS51130102A (en) 1975-05-06 1975-05-06 Photo transmission relay

Publications (1)

Publication Number Publication Date
JPS51130102A true JPS51130102A (en) 1976-11-12

Family

ID=12959945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50054056A Pending JPS51130102A (en) 1975-05-06 1975-05-06 Photo transmission relay

Country Status (1)

Country Link
JP (1) JPS51130102A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01292879A (en) * 1988-05-20 1989-11-27 Nec Corp Light amplifier
JPH0380635A (en) * 1989-08-23 1991-04-05 Fujitsu Ltd Optical communication system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01292879A (en) * 1988-05-20 1989-11-27 Nec Corp Light amplifier
JPH0380635A (en) * 1989-08-23 1991-04-05 Fujitsu Ltd Optical communication system

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