JPS60180155U - optical transmission circuit - Google Patents

optical transmission circuit

Info

Publication number
JPS60180155U
JPS60180155U JP1984066837U JP6683784U JPS60180155U JP S60180155 U JPS60180155 U JP S60180155U JP 1984066837 U JP1984066837 U JP 1984066837U JP 6683784 U JP6683784 U JP 6683784U JP S60180155 U JPS60180155 U JP S60180155U
Authority
JP
Japan
Prior art keywords
section
input
circuit
prohibition signal
optical transmission
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
JP1984066837U
Other languages
Japanese (ja)
Inventor
小川　裕士
老邑　克彦
浦崎　一明
Original Assignee
オムロン株式会社
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 オムロン株式会社 filed Critical オムロン株式会社
Priority to JP1984066837U priority Critical patent/JPS60180155U/en
Publication of JPS60180155U publication Critical patent/JPS60180155U/en
Pending legal-status Critical Current

Links

Landscapes

  • Bidirectional Digital Transmission (AREA)
  • Dc Digital Transmission (AREA)
  • 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図はこの考案の１実施例光伝送回路の送信部を示す
回路図、第２図はこの考案の前提となる光伝送回路のブ
ロック図、第３図は従来の光伝送回路の送信部を示す回
路図である。 １：入力回路、２：発光素子駆動回路、２２：送信部、
２５：受信部、２８：禁止信号入力部。Fig. 1 is a circuit diagram showing the transmitting section of an optical transmission circuit according to one embodiment of this invention, Fig. 2 is a block diagram of an optical transmission circuit that is the premise of this invention, and Fig. 3 is a transmitting section of a conventional optical transmission circuit. FIG. 1: input circuit, 2: light emitting element drive circuit, 22: transmitter,
25: Receiving section, 28: Prohibition signal input section.

Claims (1)

【実用新案登録請求の範囲】 送信部と、受信部と、送信部もしくは受信部のいずれか
を禁止するための信号を入力する禁止信号入力部とを含
み、送信部には送信データが入力される入力回路と、こ
の入力回路に入力される送信データを受けてオン／オフ
される発光素子駆動回路とを備え、受信中は前記禁止信
号入力部より加えられる禁止信号により送信部の動作が
禁止される光伝送回路において、 前記送信部の入力回路に、前記禁止信号入力部よりの禁
止信号を加え乞ようにし、この禁止信号が加えられる間
は、入力回路に入力される送信データが前記発光素子駆
動回路に変化を与えるのを抑制するようにしたことを特
徴とする光伝送回路。[Claims for Utility Model Registration] The utility model includes a transmitting section, a receiving section, and a prohibition signal input section for inputting a signal for inhibiting either the transmitting section or the receiving section, and the transmitting section receives transmission data. and a light emitting element drive circuit that is turned on/off in response to transmission data input to this input circuit, and during reception, the operation of the transmitting section is prohibited by the prohibition signal applied from the prohibition signal input section. In the optical transmission circuit, a prohibition signal from the prohibition signal input section is added to the input circuit of the transmission section, and while the prohibition signal is applied, the transmission data input to the input circuit is transmitted to the input circuit of the transmission section. An optical transmission circuit characterized by suppressing changes in an element drive circuit.
JP1984066837U 1984-05-07 1984-05-07 optical transmission circuit Pending JPS60180155U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984066837U JPS60180155U (en) 1984-05-07 1984-05-07 optical transmission circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984066837U JPS60180155U (en) 1984-05-07 1984-05-07 optical transmission circuit

Publications (1)

Publication Number Publication Date
JPS60180155U true JPS60180155U (en) 1985-11-29

Family

ID=30600104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984066837U Pending JPS60180155U (en) 1984-05-07 1984-05-07 optical transmission circuit

Country Status (1)

Country Link
JP (1) JPS60180155U (en)

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