JPS547382A - Surface potential measuring apparatus - Google Patents
Surface potential measuring apparatusInfo
- Publication number
- JPS547382A JPS547382A JP7297977A JP7297977A JPS547382A JP S547382 A JPS547382 A JP S547382A JP 7297977 A JP7297977 A JP 7297977A JP 7297977 A JP7297977 A JP 7297977A JP S547382 A JPS547382 A JP S547382A
- Authority
- JP
- Japan
- Prior art keywords
- surface potential
- measuring apparatus
- potential measuring
- measured surface
- electret
- 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
Links
Abstract
PURPOSE: To measure the surface potential with simple adjustment operation and achieve the reduction in size and cost by disposing an electret in opposition to the measured surface and vibrating the same between the measured surface and an earth electrode.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7297977A JPS547382A (en) | 1977-06-20 | 1977-06-20 | Surface potential measuring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7297977A JPS547382A (en) | 1977-06-20 | 1977-06-20 | Surface potential measuring apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS547382A true JPS547382A (en) | 1979-01-20 |
Family
ID=13505005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7297977A Pending JPS547382A (en) | 1977-06-20 | 1977-06-20 | Surface potential measuring apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS547382A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60120267A (en) * | 1983-12-02 | 1985-06-27 | Murata Mfg Co Ltd | Non-contact type surface potential detecting apparatus |
WO2013073207A1 (en) * | 2011-11-15 | 2013-05-23 | オムロン株式会社 | Surface potential sensor and copying machine |
-
1977
- 1977-06-20 JP JP7297977A patent/JPS547382A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60120267A (en) * | 1983-12-02 | 1985-06-27 | Murata Mfg Co Ltd | Non-contact type surface potential detecting apparatus |
WO2013073207A1 (en) * | 2011-11-15 | 2013-05-23 | オムロン株式会社 | Surface potential sensor and copying machine |
JP2013104829A (en) * | 2011-11-15 | 2013-05-30 | Omron Corp | Surface potential sensor and copier |
CN103907029A (en) * | 2011-11-15 | 2014-07-02 | 欧姆龙株式会社 | Surface potential sensor and copying machine |
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