JPS5656049A - Light submarine repeating device - Google Patents

Light submarine repeating device

Info

Publication number
JPS5656049A
JPS5656049A JP13161479A JP13161479A JPS5656049A JP S5656049 A JPS5656049 A JP S5656049A JP 13161479 A JP13161479 A JP 13161479A JP 13161479 A JP13161479 A JP 13161479A JP S5656049 A JPS5656049 A JP S5656049A
Authority
JP
Japan
Prior art keywords
light
circuit
repeating
unit
circuits
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
JP13161479A
Other languages
Japanese (ja)
Inventor
Kaoru Fukushima
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 JP13161479A priority Critical patent/JPS5656049A/en
Publication of JPS5656049A publication Critical patent/JPS5656049A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To make it possible to take a circuit-by-circuit test of a repeater unit with high precision by leading an optical cord, supplying a light signal to the light circuit of a light submarine repeating device and the photodetector of a light repeating circuit, out of the repeater unit. CONSTITUTION:In hermetically sealed repeater unit 11, up and down light repeating circuits 12 and 13 are provided and both circuits are equipped with photodetectors 15 and 16 and light emitting elements 14 and 17 to perform reproduction and repeating of light signals. Unit 11 is further provided with light circuits 27 and 28, which are used for the supervision over and fault detection of the repeating transmission system. Further, optical cord 32 connected to circuit 27 at one end and supplying light signals to photodetector 16 from the other end and optical cord 36 connecting circuit 27 to element 15 are led out of unit 11 and then connected to inside optical fiber via airtight connectors 23, 33, 37 and 38. Simultaneously, optical cords 47 and 52 are led out at sides of circuit 28 and elements 14 and 17. Unit 11 is placed in a perfectly airtigh state, the lead-out optical cords are removed, and light signals are supplied from connectors, so that respective circuits can be tested.
JP13161479A 1979-10-11 1979-10-11 Light submarine repeating device Pending JPS5656049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13161479A JPS5656049A (en) 1979-10-11 1979-10-11 Light submarine repeating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13161479A JPS5656049A (en) 1979-10-11 1979-10-11 Light submarine repeating device

Publications (1)

Publication Number Publication Date
JPS5656049A true JPS5656049A (en) 1981-05-16

Family

ID=15062174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13161479A Pending JPS5656049A (en) 1979-10-11 1979-10-11 Light submarine repeating device

Country Status (1)

Country Link
JP (1) JPS5656049A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015198712A (en) * 2014-04-07 2015-11-12 株式会社ユニバーサルエンターテインメント Game machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015198712A (en) * 2014-04-07 2015-11-12 株式会社ユニバーサルエンターテインメント Game machine

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