JPS5911549U - Optical fiber signal transmission equipment - Google Patents

Optical fiber signal transmission equipment

Info

Publication number
JPS5911549U
JPS5911549U JP1982106310U JP10631082U JPS5911549U JP S5911549 U JPS5911549 U JP S5911549U JP 1982106310 U JP1982106310 U JP 1982106310U JP 10631082 U JP10631082 U JP 10631082U JP S5911549 U JPS5911549 U JP S5911549U
Authority
JP
Japan
Prior art keywords
optical fiber
signal transmission
transmission equipment
fiber signal
detects
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
JP1982106310U
Other languages
Japanese (ja)
Inventor
入江　俊二
青木　吾一
中里　眞朗
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1982106310U priority Critical patent/JPS5911549U/en
Publication of JPS5911549U publication Critical patent/JPS5911549U/en
Pending legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の光信号伝送装置全体構成図
、第２図は同じく断線検知回路、第３図は同じく光信号
伝送システムを示す回路図である。 １・・・エレベータ−乗かご、２・・・つり合いおもり
、３・・・ロープ、４・・・巻上機、５・・・そらせ車
、６・・・制御盤、９・・・光フアイバーテールコード
、１５・・・光コネクタ、１６・・・光受信器。FIG. 1 is an overall configuration diagram of an optical signal transmission apparatus according to an embodiment of the present invention, FIG. 2 is a circuit diagram showing a disconnection detection circuit, and FIG. 3 is a circuit diagram showing an optical signal transmission system. DESCRIPTION OF SYMBOLS 1... Elevator-car, 2... Counterweight, 3... Rope, 4... Winding machine, 5... Deflection wheel, 6... Control panel, 9... Optical fiber Tail cord, 15... optical connector, 16... optical receiver.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光送信器に発振器を設け、これを通常信号と重畳して光
電変換し、光受信器では光電変換後にフィルターにより
前記発振器信号を抽出し、抽出信号レベルの低減あるい
は消失を検出して光ファイバーの断線を検知するどとを
特徴とする光フアイバー信号伝送装置。　−An oscillator is provided in the optical transmitter, and this is superimposed on a normal signal for photoelectric conversion.The optical receiver extracts the oscillator signal using a filter after photoelectric conversion, detects a reduction or disappearance of the extracted signal level, and detects a break in the optical fiber. An optical fiber signal transmission device that detects. −
JP1982106310U 1982-07-15 1982-07-15 Optical fiber signal transmission equipment Pending JPS5911549U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982106310U JPS5911549U (en) 1982-07-15 1982-07-15 Optical fiber signal transmission equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982106310U JPS5911549U (en) 1982-07-15 1982-07-15 Optical fiber signal transmission equipment

Publications (1)

Publication Number Publication Date
JPS5911549U true JPS5911549U (en) 1984-01-24

Family

ID=30248828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982106310U Pending JPS5911549U (en) 1982-07-15 1982-07-15 Optical fiber signal transmission equipment

Country Status (1)

Country Link
JP (1) JPS5911549U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821636U (en) * 1981-08-05 1983-02-10 東線鋼建株式会社 wooden formwork clips

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821636U (en) * 1981-08-05 1983-02-10 東線鋼建株式会社 wooden formwork clips
JPS6212740Y2 (en) * 1981-08-05 1987-04-02

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