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JPS6142476U - potential sensor - Google Patents

potential sensor

Info

Publication number
JPS6142476U
JPS6142476U JP12728584U JP12728584U JPS6142476U JP S6142476 U JPS6142476 U JP S6142476U JP 12728584 U JP12728584 U JP 12728584U JP 12728584 U JP12728584 U JP 12728584U JP S6142476 U JPS6142476 U JP S6142476U
Authority
JP
Japan
Prior art keywords
force
electric lines
detection hole
case
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
JP12728584U
Other languages
Japanese (ja)
Other versions
JPH044230Y2 (en
Inventor
博章 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 JP12728584U priority Critical patent/JPS6142476U/en
Publication of JPS6142476U publication Critical patent/JPS6142476U/en
Application granted granted Critical
Publication of JPH044230Y2 publication Critical patent/JPH044230Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measurement Of Current Or Voltage (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]

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およびｂはそれぞ
れ本考案の実施例を示す平面断面図および正面断面図で
ある。 図において、１・・・ケース、２・・・音叉、３・・・
電極、４・・・ベース、５・・・アース端子、６・・・
圧電セラミックス、７・・・電気力線、８，９・・・基
板、１０・・・増幅回路、１１・・・駆動回路、１２・
・・電源端子、１３・・・出力端子。1A and 1B are a plan sectional view and a front sectional view, respectively, showing a conventional potential sensor, and FIGS. 2A and 2B are a plan sectional view and a front sectional view, respectively, showing an embodiment of the present invention. In the figure, 1...case, 2...tuning fork, 3...
Electrode, 4... Base, 5... Earth terminal, 6...
Piezoelectric ceramics, 7... Lines of electric force, 8, 9... Substrate, 10... Amplifying circuit, 11... Drive circuit, 12...
...Power terminal, 13...Output terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被測定物からの電気力線を内部に導入する検出孔を有す
．るケースと、前記検出孔から導入される前記電気力線
を周期的に切り交番電気力線に変換するチョツパ部およ
び前記交番電気力線を受けて交流信号を出力する電極を
投載し前記チョツパ部が前記検出孔からの前記電力線を
切るよう前記ケース内に配置された第１の基板と、前記
交流信号を増幅回路および前記チョツパ部を駆動する駆
動回路を搭載し基板が前記第１の基板の基板面と垂直に
なるよう前記ケース内に配置された第２の基板とから構
成したことを特徴とする電位センサ。It has a detection hole that introduces the electric lines of force from the object to be measured. a chopper part that periodically cuts the electric lines of force introduced from the detection hole and converts them into alternating electric lines of force; and an electrode that receives the alternating electric lines of force and outputs an alternating current signal. a first board disposed in the case so as to cut the power line from the detection hole; and a drive circuit for driving the chopper part and an amplifying circuit for the AC signal; and a second substrate disposed within the case so as to be perpendicular to the surface of the substrate.
JP12728584U 1984-08-22 1984-08-22 potential sensor Granted JPS6142476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12728584U JPS6142476U (en) 1984-08-22 1984-08-22 potential sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12728584U JPS6142476U (en) 1984-08-22 1984-08-22 potential sensor

Publications (2)

Publication Number Publication Date
JPS6142476U true JPS6142476U (en) 1986-03-19
JPH044230Y2 JPH044230Y2 (en) 1992-02-07

Family

ID=30685933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12728584U Granted JPS6142476U (en) 1984-08-22 1984-08-22 potential sensor

Country Status (1)

Country Link
JP (1) JPS6142476U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5696256A (en) * 1979-12-28 1981-08-04 Canon Inc Surface potentiometer
JPS56138377U (en) * 1980-03-21 1981-10-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5696256A (en) * 1979-12-28 1981-08-04 Canon Inc Surface potentiometer
JPS56138377U (en) * 1980-03-21 1981-10-20

Also Published As

Publication number Publication date
JPH044230Y2 (en) 1992-02-07

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