JPS59189161U - potential sensor - Google Patents

potential sensor

Info

Publication number
JPS59189161U
JPS59189161U JP8435183U JP8435183U JPS59189161U JP S59189161 U JPS59189161 U JP S59189161U JP 8435183 U JP8435183 U JP 8435183U JP 8435183 U JP8435183 U JP 8435183U JP S59189161 U JPS59189161 U JP S59189161U
Authority
JP
Japan
Prior art keywords
electrode
substrate
force
lines
potential sensor
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.)
Granted
Application number
JP8435183U
Other languages
Japanese (ja)
Other versions
JPS6331016Y2 (en
Inventor
博章 山田
義博 山田
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP8435183U priority Critical patent/JPS59189161U/en
Publication of JPS59189161U publication Critical patent/JPS59189161U/en
Application granted granted Critical
Publication of JPS6331016Y2 publication Critical patent/JPS6331016Y2/ja
Granted 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) [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]

第１図ａおよびｂはそれぞれ従来の電位センサを示す平
面断面図および正面断面図、第２図ａ。 ｂ、　　ｃおよびｄは本考案による電位センサの実施例
を示す平面断面図、左側面断面図、正面断面図および右
側面断面図である。 １・・・・・・ケース、２・・・・・・音叉、３・・・
・・・電極（検出電極）、５・・・・・・出力電圧端子
、６・・・・・・圧電セラミックス、７・・・・・・電
気力線、８・・・・・・基板、９・・・・・・アース端
子、１０・・・・・・駆動回路（発振回路）、１１・・
・・・・電源端子、１２・・・・・・増幅回路。FIGS. 1a and 1b are a plan sectional view and a front sectional view showing a conventional potential sensor, respectively, and FIG. 2a is a sectional view showing a conventional potential sensor. b, c, and d are a plan sectional view, a left side sectional view, a front sectional view, and a right side sectional view showing an embodiment of the potential sensor according to the present invention. 1...Case, 2...Tuning fork, 3...
... Electrode (detection electrode), 5 ... Output voltage terminal, 6 ... Piezoelectric ceramics, 7 ... Lines of electric force, 8 ... Substrate, 9... Earth terminal, 10... Drive circuit (oscillation circuit), 11...
...Power terminal, 12...Amplification circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 基板と、この基板の端面に配置し、被測定物より放射さ
れる電気力線を一定の周期で切って交番電気力線に変換
するチョッパ部と、前記基板の端面に配置し前記交番電
気力線を受けて交流出力を取出す電極と、前記基板上に
配置し前記電極より取出される交流出力を増幅する増幅
回路および前記チョッパ部を駆動する駆動回路の少くと
も一方と、前記基板を収容し前記電気力線を前記電極に
導入する検出孔を持つケースとを有することを特徴とす
る電位センサ。a chopper section disposed on the end surface of the substrate to cut the lines of electric force radiated from the object to be measured at regular intervals and convert them into alternating electric lines of force; The substrate is housed with an electrode that receives the line and takes out an AC output, and at least one of an amplifier circuit arranged on the substrate and that amplifies the AC output taken out from the electrode, and a drive circuit that drives the chopper section. and a case having a detection hole for introducing the electric lines of force into the electrode.
JP8435183U 1983-06-02 1983-06-02 potential sensor Granted JPS59189161U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8435183U JPS59189161U (en) 1983-06-02 1983-06-02 potential sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8435183U JPS59189161U (en) 1983-06-02 1983-06-02 potential sensor

Publications (2)

Publication Number Publication Date
JPS59189161U true JPS59189161U (en) 1984-12-15
JPS6331016Y2 JPS6331016Y2 (en) 1988-08-18

Family

ID=30214301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8435183U Granted JPS59189161U (en) 1983-06-02 1983-06-02 potential sensor

Country Status (1)

Country Link
JP (1) JPS59189161U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5784471U (en) * 1980-11-13 1982-05-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5784471U (en) * 1980-11-13 1982-05-25

Also Published As

Publication number Publication date
JPS6331016Y2 (en) 1988-08-18

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