JPS59193046U - Automatic dimming type optical receiver circuit - Google Patents

Automatic dimming type optical receiver circuit

Info

Publication number
JPS59193046U
JPS59193046U JP1983086284U JP8628483U JPS59193046U JP S59193046 U JPS59193046 U JP S59193046U JP 1983086284 U JP1983086284 U JP 1983086284U JP 8628483 U JP8628483 U JP 8628483U JP S59193046 U JPS59193046 U JP S59193046U
Authority
JP
Japan
Prior art keywords
optical
automatic dimming
type optical
optical receiver
receiver circuit
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
JP1983086284U
Other languages
Japanese (ja)
Inventor
浦田　春茂
Original Assignee
沖電気工業株式会社
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 沖電気工業株式会社 filed Critical 沖電気工業株式会社
Priority to JP1983086284U priority Critical patent/JPS59193046U/en
Publication of JPS59193046U publication Critical patent/JPS59193046U/en
Pending 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) [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 drawings]

第１図は本考案の実施例の系統図、第２図は自動調光形
光減衰器の動作説明図である。 ＯＦ・・・光ファイバ、ＶＡＴ・・・自動調光形光減衰
器、ＰＤ・・・受光素子、Ａ・・・受光増幅器、５ｏｕ
ｔ・・・電気信号出力。FIG. 1 is a system diagram of an embodiment of the present invention, and FIG. 2 is an explanatory diagram of the operation of an automatic light control type optical attenuator. OF...Optical fiber, VAT...Automatic optical attenuator, PD...Photodetector, A...Photodetector amplifier, 5ou
t...Electric signal output.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力端の光信号を受光して電気信号に変換する受光素子
ＰＤと、これに接続される受光増幅回路Ａとを有する光
受信回路において、光入力端と前記受光素子ＰＤとの間
に光レベルが大きくなると透過率の減少する光学素子が
もうけられることを特徴とする自動調光形受信回路。In an optical receiving circuit that includes a light receiving element PD that receives an optical signal at an input end and converts it into an electrical signal, and a light receiving amplification circuit A connected to this, an optical level is established between the optical input end and the light receiving element PD. An automatic dimming type receiving circuit characterized in that an optical element whose transmittance decreases as the value increases.
JP1983086284U 1983-06-08 1983-06-08 Automatic dimming type optical receiver circuit Pending JPS59193046U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983086284U JPS59193046U (en) 1983-06-08 1983-06-08 Automatic dimming type optical receiver circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983086284U JPS59193046U (en) 1983-06-08 1983-06-08 Automatic dimming type optical receiver circuit

Publications (1)

Publication Number Publication Date
JPS59193046U true JPS59193046U (en) 1984-12-21

Family

ID=30216221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983086284U Pending JPS59193046U (en) 1983-06-08 1983-06-08 Automatic dimming type optical receiver circuit

Country Status (1)

Country Link
JP (1) JPS59193046U (en)

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