JPH0431841U - - Google Patents

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Publication number
JPH0431841U
JPH0431841U JP1990074084U JP7408490U JPH0431841U JP H0431841 U JPH0431841 U JP H0431841U JP 1990074084 U JP1990074084 U JP 1990074084U JP 7408490 U JP7408490 U JP 7408490U JP H0431841 U JPH0431841 U JP H0431841U
Authority
JP
Japan
Prior art keywords
optical signals
wavelength optical
short
long
wavelength
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
JP1990074084U
Other languages
English (en)
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 filed Critical
Priority to JP1990074084U priority Critical patent/JPH0431841U/ja
Publication of JPH0431841U publication Critical patent/JPH0431841U/ja
Pending legal-status Critical Current

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  • Optical Communication System (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例による光受信回路
を示すブロツク図であり、第２図は従来の光受信
回路を示すブロツク図である。 図において、１は光受信入力、２は短波長また
は長波長フオトダイオード（ＰＤ）、３は等化増
幅、４は自動利得制御（ＡＧＣ）、５は識別再生
、６はタイミング抽出、７は受信符号処理、８は
出力、２Ａは短波長フオトダイオード（ＰＤ）、
９は光分配器、１０は光分配出力、１１は長波長
フオトダイオード（ＰＤ）、１２は切り替え回路
。なお、図中、同一符号は同一、又は相当部分を
示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光伝送装置に用いる光受信回路において、受信
    した長波光信号及び短波長光信号を自動切り替え
    することにより、長波長光信号、短波長光信号の
    両方に対応可能なことを特徴とする光受信回路。
JP1990074084U 1990-07-10 1990-07-10 Pending JPH0431841U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990074084U JPH0431841U (ja) 1990-07-10 1990-07-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990074084U JPH0431841U (ja) 1990-07-10 1990-07-10

Publications (1)

Publication Number Publication Date
JPH0431841U true JPH0431841U (ja) 1992-03-16

Family

ID=31613470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990074084U Pending JPH0431841U (ja) 1990-07-10 1990-07-10

Country Status (1)

Country Link
JP (1) JPH0431841U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0633706U (ja) * 1992-10-05 1994-05-06 ザ・グッドイヤー・タイヤ・アンド・ラバー・カンパニー 空気入りタイヤ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0633706U (ja) * 1992-10-05 1994-05-06 ザ・グッドイヤー・タイヤ・アンド・ラバー・カンパニー 空気入りタイヤ

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