JPS62121552U - - Google Patents

Info

Publication number
JPS62121552U
JPS62121552U JP1076486U JP1076486U JPS62121552U JP S62121552 U JPS62121552 U JP S62121552U JP 1076486 U JP1076486 U JP 1076486U JP 1076486 U JP1076486 U JP 1076486U JP S62121552 U JPS62121552 U JP S62121552U
Authority
JP
Japan
Prior art keywords
sensor
switch
level
comparator
detecting
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
JP1076486U
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 JP1076486U priority Critical patent/JPS62121552U/ja
Publication of JPS62121552U publication Critical patent/JPS62121552U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の回路図、第2図は
従来例の回路図である。 4……オフレベル検出用コンパレータ、5……
スイツチ、6……COセンサ、7……オープン検
出用コンパレータ、8……発振回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. センサと、センサのオフレベル検出用のコンパ
    レータとセンサのオープン検出用のコンパレータ
    を有するセンサレベル判定回路において、前記セ
    ンサへの接続抵抗を切換えるスイツチと、このス
    イツチを周期的に切換駆動する発振回路を設け、
    前記スイツチのオンオフによりセンサへの接続抵
    抗を変化させてオフレベル検出とオープン検出を
    時分割的に交互に行うようにしたことを特徴とす
    るセンサレベル判定回路。
JP1076486U 1986-01-25 1986-01-25 Pending JPS62121552U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1076486U JPS62121552U (ja) 1986-01-25 1986-01-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1076486U JPS62121552U (ja) 1986-01-25 1986-01-25

Publications (1)

Publication Number Publication Date
JPS62121552U true JPS62121552U (ja) 1987-08-01

Family

ID=30797363

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1076486U Pending JPS62121552U (ja) 1986-01-25 1986-01-25

Country Status (1)

Country Link
JP (1) JPS62121552U (ja)

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