JPS63131025U - - Google Patents

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Publication number
JPS63131025U
JPS63131025U JP2442187U JP2442187U JPS63131025U JP S63131025 U JPS63131025 U JP S63131025U JP 2442187 U JP2442187 U JP 2442187U JP 2442187 U JP2442187 U JP 2442187U JP S63131025 U JPS63131025 U JP S63131025U
Authority
JP
Japan
Prior art keywords
control signal
segment
output terminal
signal output
terminal
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
JP2442187U
Other languages
Japanese (ja)
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 JP2442187U priority Critical patent/JPS63131025U/ja
Publication of JPS63131025U publication Critical patent/JPS63131025U/ja
Pending legal-status Critical Current

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  • Keying Circuit Devices (AREA)
  • Input From Keyboards Or The Like (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案を実施したリレー駆動回路を示
す回路構成図、第2図は従来のリレー駆動回路を
示す回路構成図である。 1…マイクロコンピユータ、3…LED表示器
、4…リレー、O〜O…第1制御信号出力端
子、P,P…第2制御信号出力端子、C
…コモン端子、S〜S…セグメント端子
、Q,Q…ドライブトランジスタ。
FIG. 1 is a circuit diagram showing a relay drive circuit embodying the present invention, and FIG. 2 is a circuit diagram showing a conventional relay drive circuit. DESCRIPTION OF SYMBOLS 1...Microcomputer, 3...LED display, 4...Relay, O1 - O8 ...1st control signal output terminal, P1 , P2 ...2nd control signal output terminal, C1 ,
C2 ...common terminal, S1 - S8 ...segment terminal, Q1 , Q2 ...drive transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第1、第2の制御信号出力端子を備えるマイク
ロコンピユータと、このマイクロコンピユータの
第1の制御信号出力端子からのセグメント制御信
号がセグメント端子に与えられるとともに、前記
第2の制御信号出力端子からの制御信号がドライ
ブトランジスタを介してコモン端子に与えられる
ことによつて駆動されるLED表示器と、前記ド
ライブトランジスタに動作電源を供給するライン
に設けられたリレーとからなるリレー駆動回路。
A microcomputer is provided with a first control signal output terminal and a second control signal output terminal, and a segment control signal is applied to the segment terminal from the first control signal output terminal of the microcomputer, and a segment control signal is provided to the segment terminal from the second control signal output terminal. A relay drive circuit comprising an LED display driven by a control signal applied to a common terminal via a drive transistor, and a relay provided in a line that supplies operating power to the drive transistor.
JP2442187U 1987-02-20 1987-02-20 Pending JPS63131025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2442187U JPS63131025U (en) 1987-02-20 1987-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2442187U JPS63131025U (en) 1987-02-20 1987-02-20

Publications (1)

Publication Number Publication Date
JPS63131025U true JPS63131025U (en) 1988-08-26

Family

ID=30823633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2442187U Pending JPS63131025U (en) 1987-02-20 1987-02-20

Country Status (1)

Country Link
JP (1) JPS63131025U (en)

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