JPS6017050U - optical transmitter - Google Patents

optical transmitter

Info

Publication number
JPS6017050U
JPS6017050U JP1984083485U JP8348584U JPS6017050U JP S6017050 U JPS6017050 U JP S6017050U JP 1984083485 U JP1984083485 U JP 1984083485U JP 8348584 U JP8348584 U JP 8348584U JP S6017050 U JPS6017050 U JP S6017050U
Authority
JP
Japan
Prior art keywords
light
optical
amount
emitting element
light emitting
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.)
Granted
Application number
JP1984083485U
Other languages
Japanese (ja)
Other versions
JPS62288Y2 (en
Inventor
博 松永
吉野　春幸
Original Assignee
富士通株式会社
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 富士通株式会社 filed Critical 富士通株式会社
Priority to JP1984083485U priority Critical patent/JPS6017050U/en
Publication of JPS6017050U publication Critical patent/JPS6017050U/en
Application granted granted Critical
Publication of JPS62288Y2 publication Critical patent/JPS62288Y2/ja
Granted legal-status Critical Current

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  • Optical Communication System (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) [Summary] 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 drawings]

第１図は従来の光伝送方式の説明図、第２図は本考案の
第１実施例の構成を示す図である。 ＬＥＭ・・・・・・発光素子、ＬＣ・・・・・・電流源
、ＬＴＸ・・・・・・光送信装置、ＯＦ、ＯＦｌ、ＯＦ
２・・・・・・光ファイバ、ＬＲＸ　ｌ　、　ＬＲＸ２
　、、・・・・・・ＬＲＸｎ・・・・・・光受信装置、
ＤＶＣ・・・・・・分岐結合器、ＬＤＴ・・・・・・光
量検出回路。FIG. 1 is an explanatory diagram of a conventional optical transmission system, and FIG. 2 is a diagram showing the configuration of a first embodiment of the present invention. LEM...Light emitting element, LC...Current source, LTX...Light transmitter, OF, OFl, OF
2...Optical fiber, LRXl, LRX2
,,...LRXn... Optical receiver,
DVC... Branch coupler, LDT... Light amount detection circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一本の光ファイバに分岐結合器を用いた片方向分岐形式
により接続された複数の光受信装置に光信号を送出する
発光素子と、最遠端に接続された上記光受信装置で受信
された光量に関する情報を検出する光量検出回路と、該
光量検出回路からの出力に基づき、上記最遠端の光受信
装置で受信される光量が一定値となるように上記発光素
子の発光量を制御する駆動回路とを有することを特徴と
する光送信装置。A light emitting element that sends an optical signal to a plurality of optical receivers connected in a unidirectional branch format using a branch coupler to one optical fiber, and a light emitting element that sends an optical signal to the optical receiver connected to the farthest end. A light amount detection circuit that detects information regarding the amount of light; and based on the output from the light amount detection circuit, the amount of light emitted by the light emitting element is controlled so that the amount of light received by the farthest optical receiving device is a constant value. An optical transmitter comprising: a drive circuit.
JP1984083485U 1984-06-05 1984-06-05 optical transmitter Granted JPS6017050U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984083485U JPS6017050U (en) 1984-06-05 1984-06-05 optical transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984083485U JPS6017050U (en) 1984-06-05 1984-06-05 optical transmitter

Publications (2)

Publication Number Publication Date
JPS6017050U true JPS6017050U (en) 1985-02-05
JPS62288Y2 JPS62288Y2 (en) 1987-01-07

Family

ID=30213438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984083485U Granted JPS6017050U (en) 1984-06-05 1984-06-05 optical transmitter

Country Status (1)

Country Link
JP (1) JPS6017050U (en)

Also Published As

Publication number Publication date
JPS62288Y2 (en) 1987-01-07

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