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JPS6061665U - Surface potential measuring device - Google Patents

Surface potential measuring device

Info

Publication number
JPS6061665U
JPS6061665U JP15336683U JP15336683U JPS6061665U JP S6061665 U JPS6061665 U JP S6061665U JP 15336683 U JP15336683 U JP 15336683U JP 15336683 U JP15336683 U JP 15336683U JP S6061665 U JPS6061665 U JP S6061665U
Authority
JP
Japan
Prior art keywords
measuring device
surface potential
potential measuring
sides
circuit
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
JP15336683U
Other languages
Japanese (ja)
Inventor
高須 一彦
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP15336683U priority Critical patent/JPS6061665U/en
Publication of JPS6061665U publication Critical patent/JPS6061665U/en
Pending legal-status Critical Current

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  • 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 drawings]

第1図は本考案の一実施例に係る表面電位測定装置の構
造図で、aはその平面図、bはその側面図、第2図は第
1図の表面電位測定装置の回路構成図である。 1・・・表面電位検出素子、2・・・検出電極、3・・
・音叉チョッパー、4・・・音叉、5,5′・・・圧電
素子、6・・・遮蔽板、7・・・基板、8・・・検出窓
、9・・・金属ケース、10・・・音叉駆動用発振回路
、11・・・インピーダンス変換回路、12・・・フィ
ルタ回路、13・・・増幅回路、14・・・整流回路、
15・・・正電源端子、16・・・負電源端子、17・
・・検出信号出力端子、18.18’・・・アース端子
FIG. 1 is a structural diagram of a surface potential measuring device according to an embodiment of the present invention, in which a is a plan view thereof, b is a side view thereof, and FIG. 2 is a circuit diagram of the surface potential measuring device shown in FIG. be. 1...Surface potential detection element, 2...Detection electrode, 3...
・Tuning fork chopper, 4... Tuning fork, 5, 5'... Piezoelectric element, 6... Shielding plate, 7... Board, 8... Detection window, 9... Metal case, 10... - Tuning fork driving oscillation circuit, 11... impedance conversion circuit, 12... filter circuit, 13... amplifier circuit, 14... rectifier circuit,
15...Positive power supply terminal, 16...Negative power supply terminal, 17.
...Detection signal output terminal, 18.18'...Earth terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 表面電位検出素子とその検出出力を増幅する増幅回路と
を、両面が静電的に遮蔽されてなる基板の両面にそれぞ
れ取り付け、金属筐体内に一体的に収納して成ることを
特徴とする表面電位測定装置。
A surface potential detecting element and an amplifier circuit for amplifying its detection output are attached to both sides of a substrate whose both sides are electrostatically shielded, and are integrally housed in a metal housing. Potential measuring device.
JP15336683U 1983-10-04 1983-10-04 Surface potential measuring device Pending JPS6061665U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15336683U JPS6061665U (en) 1983-10-04 1983-10-04 Surface potential measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15336683U JPS6061665U (en) 1983-10-04 1983-10-04 Surface potential measuring device

Publications (1)

Publication Number Publication Date
JPS6061665U true JPS6061665U (en) 1985-04-30

Family

ID=30339337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15336683U Pending JPS6061665U (en) 1983-10-04 1983-10-04 Surface potential measuring device

Country Status (1)

Country Link
JP (1) JPS6061665U (en)

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