JPS5999538U - switch discrimination circuit - Google Patents

switch discrimination circuit

Info

Publication number
JPS5999538U
JPS5999538U JP19291682U JP19291682U JPS5999538U JP S5999538 U JPS5999538 U JP S5999538U JP 19291682 U JP19291682 U JP 19291682U JP 19291682 U JP19291682 U JP 19291682U JP S5999538 U JPS5999538 U JP S5999538U
Authority
JP
Japan
Prior art keywords
switch
circuit
discrimination circuit
switch discrimination
input
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
JP19291682U
Other languages
Japanese (ja)
Inventor
木津谷 公
野元 康徳
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 JP19291682U priority Critical patent/JPS5999538U/en
Publication of JPS5999538U publication Critical patent/JPS5999538U/en
Pending legal-status Critical Current

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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 the drawing]

第1図は従来のスイッチ弁別回路図、第2図は本考案の
スイッチ弁別回路の実施例のブロック図、第3図は第2
図の回路詳細図である。 1・・・スイッチ(又はリレー接点)、2・・・スイッ
チ(又はリレー接点)、3・・・サージ吸収回路、4・
・・波形整形回路、5.14・・・フリップフロップ回
路、6.13・・・マルチプレクサ回路、7・・・カウ
ンタ回路、8・・・カウンタ出力信号、9.10・・・
スイッチ弁別信号。
FIG. 1 is a conventional switch discrimination circuit diagram, FIG. 2 is a block diagram of an embodiment of the switch discrimination circuit of the present invention, and FIG.
FIG. 3 is a detailed diagram of the circuit shown in FIG. 1... Switch (or relay contact), 2... Switch (or relay contact), 3... Surge absorption circuit, 4...
... Waveform shaping circuit, 5.14... Flip-flop circuit, 6.13... Multiplexer circuit, 7... Counter circuit, 8... Counter output signal, 9.10...
Switch discrimination signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数のスイッチ入力信号から、単独の入力のみを取り出
すスイッチ弁別回路に於いて、入力信号線に誘導される
外乱ノイズ、及びスイッチのチャタリングを防止する為
に、サージ吸収回路、波形整形回路、フリップフロップ
回路を設け、更に、人間の操作ミスに依る、誤信号と正
規の信号を判別するマルチプレクサ回路を前記の後段に
設けたことを特徴とするスイッチ弁別回路。
In a switch discrimination circuit that extracts only a single input from multiple switch input signals, surge absorption circuits, waveform shaping circuits, and flip-flops are used to prevent disturbance noise induced in the input signal line and switch chattering. 1. A switch discrimination circuit, further comprising a multiplexer circuit disposed at a subsequent stage of the circuit for discriminating between an erroneous signal caused by a human operation error and a normal signal.
JP19291682U 1982-12-22 1982-12-22 switch discrimination circuit Pending JPS5999538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19291682U JPS5999538U (en) 1982-12-22 1982-12-22 switch discrimination circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19291682U JPS5999538U (en) 1982-12-22 1982-12-22 switch discrimination circuit

Publications (1)

Publication Number Publication Date
JPS5999538U true JPS5999538U (en) 1984-07-05

Family

ID=30415043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19291682U Pending JPS5999538U (en) 1982-12-22 1982-12-22 switch discrimination circuit

Country Status (1)

Country Link
JP (1) JPS5999538U (en)

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