JPS5418782A - Surface electrometer - Google Patents

Surface electrometer

Info

Publication number
JPS5418782A
JPS5418782A JP8288477A JP8288477A JPS5418782A JP S5418782 A JPS5418782 A JP S5418782A JP 8288477 A JP8288477 A JP 8288477A JP 8288477 A JP8288477 A JP 8288477A JP S5418782 A JPS5418782 A JP S5418782A
Authority
JP
Japan
Prior art keywords
surface electrometer
electrodes
reliability
providing
high accuracy
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
JP8288477A
Other languages
Japanese (ja)
Inventor
Minoru Aoki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP8288477A priority Critical patent/JPS5418782A/en
Publication of JPS5418782A publication Critical patent/JPS5418782A/en
Pending legal-status Critical Current

Links

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  • Measurement Of Current Or Voltage (AREA)

Abstract

PURPOSE: To measure surface potentials of high accuracy and reliability by providing two electrodes in mutual proximity, circuits converting the detected electric fields to electric signals and a differential amplifier.
COPYRIGHT: (C)1979,JPO&Japio
JP8288477A 1977-07-13 1977-07-13 Surface electrometer Pending JPS5418782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8288477A JPS5418782A (en) 1977-07-13 1977-07-13 Surface electrometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8288477A JPS5418782A (en) 1977-07-13 1977-07-13 Surface electrometer

Publications (1)

Publication Number Publication Date
JPS5418782A true JPS5418782A (en) 1979-02-13

Family

ID=13786690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8288477A Pending JPS5418782A (en) 1977-07-13 1977-07-13 Surface electrometer

Country Status (1)

Country Link
JP (1) JPS5418782A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742861A (en) * 1980-08-27 1982-03-10 Ricoh Co Ltd Noncontacting electrometer
JPS58116192U (en) * 1982-01-27 1983-08-08 アイダエンジニアリング株式会社 Sealed wet clutch/brake device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742861A (en) * 1980-08-27 1982-03-10 Ricoh Co Ltd Noncontacting electrometer
JPS6327662B2 (en) * 1980-08-27 1988-06-03 Ricoh Kk
JPS58116192U (en) * 1982-01-27 1983-08-08 アイダエンジニアリング株式会社 Sealed wet clutch/brake device

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