JPS58537U - Transmission/reception circuit - Google Patents

Transmission/reception circuit

Info

Publication number
JPS58537U
JPS58537U JP9371781U JP9371781U JPS58537U JP S58537 U JPS58537 U JP S58537U JP 9371781 U JP9371781 U JP 9371781U JP 9371781 U JP9371781 U JP 9371781U JP S58537 U JPS58537 U JP S58537U
Authority
JP
Japan
Prior art keywords
transmission
reception circuit
transmitting
receiving
photocoupler
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
JP9371781U
Other languages
Japanese (ja)
Inventor
石田　陽久
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 JP9371781U priority Critical patent/JPS58537U/en
Publication of JPS58537U publication Critical patent/JPS58537U/en
Pending legal-status Critical Current

Links

Landscapes

  • Bidirectional Digital Transmission (AREA)
  • Dc Digital Transmission (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 the drawing]

図は本考案に係る送受信回路の一実施例の回路　−図で
ある。 Ｕｌ・・・・・・制御装置１、Ｕ２・・・・・・制御装
置２、ＰＣＲ・・・・・・受信用フォトカプラ、ＰＣ８
・・・・・・送信用フ第１カプラ、ＰＷ・・・・・・送
受信用電源、Ｖｃご・・・・・制御回路用電源、ＲＥＣ
・・・・・・受信４号、５ＥＮＤ・・・・・・送信４号
。The figure is a circuit diagram of one embodiment of the transmitting/receiving circuit according to the present invention. Ul...control device 1, U2...control device 2, PCR...reception photocoupler, PC8
...... First coupler for transmission, PW... Power supply for transmission and reception, Vc... Power supply for control circuit, REC
...Reception number 4, 5END...Transmission number 4.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 送信用フォトカプラの出力をトランジスタで増幅し、該
トランジスタの出力を受信用フォトカプラの入力に接続
し、送信４号と受信４号を同一の信号線にて伝送せしめ
ることを特徴とする送受信回路。A transmitting/receiving circuit characterized in that the output of a transmitting photocoupler is amplified by a transistor, the output of the transistor is connected to the input of a receiving photocoupler, and transmitting signal No. 4 and receiving signal No. 4 are transmitted through the same signal line. .
JP9371781U 1981-06-26 1981-06-26 Transmission/reception circuit Pending JPS58537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9371781U JPS58537U (en) 1981-06-26 1981-06-26 Transmission/reception circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9371781U JPS58537U (en) 1981-06-26 1981-06-26 Transmission/reception circuit

Publications (1)

Publication Number Publication Date
JPS58537U true JPS58537U (en) 1983-01-05

Family

ID=29888681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9371781U Pending JPS58537U (en) 1981-06-26 1981-06-26 Transmission/reception circuit

Country Status (1)

Country Link
JP (1) JPS58537U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230345A (en) * 1983-06-14 1984-12-24 Hitachi Ltd Communication processing circuit
JPS60194538U (en) * 1984-06-05 1985-12-25 ジエコ−株式会社 printer
JPS63500790A (en) * 1986-04-24 1988-03-24 イーストマン・コダック・カンパニー compact battery operated printer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230345A (en) * 1983-06-14 1984-12-24 Hitachi Ltd Communication processing circuit
JPS60194538U (en) * 1984-06-05 1985-12-25 ジエコ−株式会社 printer
JPS63500790A (en) * 1986-04-24 1988-03-24 イーストマン・コダック・カンパニー compact battery operated printer

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