DE2848709A1 - Oberflaechenpotentiometer - Google Patents
OberflaechenpotentiometerInfo
- Publication number
- DE2848709A1 DE2848709A1 DE19782848709 DE2848709A DE2848709A1 DE 2848709 A1 DE2848709 A1 DE 2848709A1 DE 19782848709 DE19782848709 DE 19782848709 DE 2848709 A DE2848709 A DE 2848709A DE 2848709 A1 DE2848709 A1 DE 2848709A1
- Authority
- DE
- Germany
- Prior art keywords
- measuring electrode
- surface potentiometer
- signal
- measured
- shielding
- 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
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
- G03G15/5037—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor the characteristics being an electrical parameter, e.g. voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/12—Measuring electrostatic fields or voltage-potential
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Or Security For Electrophotography (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13359477A JPS5467475A (en) | 1977-11-09 | 1977-11-09 | Surface potentiometer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2848709A1 true DE2848709A1 (de) | 1979-05-10 |
DE2848709C2 DE2848709C2 (de) | 1987-01-15 |
Family
ID=15108451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2848709A Expired DE2848709C2 (de) | 1977-11-09 | 1978-11-09 | Elektrographisches Gerät mit einer Oberflächenpotential-Ermittlungseinrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US4261660A (US07321065-20080122-C00020.png) |
JP (1) | JPS5467475A (US07321065-20080122-C00020.png) |
DE (1) | DE2848709C2 (US07321065-20080122-C00020.png) |
GB (1) | GB2009425B (US07321065-20080122-C00020.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3343183A1 (de) * | 1982-12-13 | 1984-06-14 | The Simco Co., Inc., 19440 Hatfield, Pa. | Elektrostatischer rundum-feldmessfuehler |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56162059A (en) * | 1980-05-17 | 1981-12-12 | Ricoh Co Ltd | Probe of noncontact alternating current type electrometer |
DE3128801A1 (de) * | 1980-07-22 | 1982-04-15 | Canon K.K., Tokyo | "bilderzeugungsgeraet" |
JPS5767943A (en) * | 1980-10-16 | 1982-04-24 | Konishiroku Photo Ind Co Ltd | Retention type electrostatic recorder |
DE3149668A1 (de) * | 1980-12-16 | 1982-07-15 | Canon K.K., Tokyo | "farbkopiergeraet" |
JPS5961851A (ja) * | 1982-09-30 | 1984-04-09 | Canon Inc | プロセスカートリッジ及びそのカートリッジを用いる画像形成装置 |
US4625176A (en) * | 1983-09-13 | 1986-11-25 | International Business Machines Corporation | Electrostatic probe |
US4569583A (en) * | 1984-06-14 | 1986-02-11 | Burroughs Corporation | Electrostatic charge probe for electrophotographic apparatus |
US4970557A (en) * | 1987-09-02 | 1990-11-13 | Sharp Kabushiki Kaisha | Electrophotographic apparatus controlling image quality according to condition of deterioration |
US5983043A (en) * | 1997-12-24 | 1999-11-09 | Canon Kabushiki Kaisha | Potential measuring apparatus and potential measuring method |
JP2006003131A (ja) * | 2004-06-15 | 2006-01-05 | Canon Inc | 電位センサ |
JP2006162457A (ja) * | 2004-12-08 | 2006-06-22 | Canon Inc | 電位測定装置および画像形成装置 |
US8536879B2 (en) * | 2008-06-02 | 2013-09-17 | The Regents Of The University Of Michigan | Rotating electric-field sensor |
JP5335604B2 (ja) * | 2008-09-03 | 2013-11-06 | キヤノン株式会社 | 電位センサ、これを備えた電子写真画像形成装置、及び電位センサの製造方法 |
CN102221647B (zh) * | 2011-06-02 | 2013-01-16 | 湖南省湘电试研技术有限公司 | 一种适用于高湿度环境下测量工频电场强度的方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2587156A (en) * | 1948-12-28 | 1952-02-26 | St Joseph Lead Co | Electric field strength measurement |
US3344344A (en) * | 1964-10-01 | 1967-09-26 | Jr Nathaniel B Wales | Electric charge responsive device |
US3611127A (en) * | 1968-09-16 | 1971-10-05 | Robert E Vosteen | Electrostatic potential and field measurement apparatus having a capacitor detector with feedback to drive the capacitor detector to the potential being measured |
US3852668A (en) * | 1973-08-14 | 1974-12-03 | Xerox Corp | Electrometer system |
US3944354A (en) * | 1974-09-06 | 1976-03-16 | Eastman Kodak Company | Voltage measurement apparatus |
DE2555185A1 (de) * | 1974-12-09 | 1976-06-10 | Anvar | Vorrichtung zur messung von elektrischen ladungsmengen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013203A (en) * | 1958-07-01 | 1961-12-12 | Xerox Corp | Xerographic electrometer apparatus |
US3321307A (en) * | 1963-07-15 | 1967-05-23 | Eastman Kodak Co | Exposure control in xerographic printing |
US3525936A (en) * | 1966-07-26 | 1970-08-25 | Robert E Vosteen | Electrostatic voltage follower circuit for use as a voltmeter |
US3667036A (en) * | 1970-01-23 | 1972-05-30 | Xerox Corp | Electrometer amplifier circuits |
US3898001A (en) * | 1973-08-14 | 1975-08-05 | Xerox Corp | Electrometer system for non-contact detection of electrostatic charge on a moving electrostatographic imaging surface |
US4127806A (en) * | 1977-04-01 | 1978-11-28 | Xerox Corporation | Shielded electrometer whose output is used to control width of pulses fed back to the shield and associated battery test circuitry |
-
1977
- 1977-11-09 JP JP13359477A patent/JPS5467475A/ja active Pending
-
1978
- 1978-10-31 US US05/956,330 patent/US4261660A/en not_active Expired - Lifetime
- 1978-11-09 DE DE2848709A patent/DE2848709C2/de not_active Expired
- 1978-11-09 GB GB7843821A patent/GB2009425B/en not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2587156A (en) * | 1948-12-28 | 1952-02-26 | St Joseph Lead Co | Electric field strength measurement |
US3344344A (en) * | 1964-10-01 | 1967-09-26 | Jr Nathaniel B Wales | Electric charge responsive device |
US3611127A (en) * | 1968-09-16 | 1971-10-05 | Robert E Vosteen | Electrostatic potential and field measurement apparatus having a capacitor detector with feedback to drive the capacitor detector to the potential being measured |
US3852668A (en) * | 1973-08-14 | 1974-12-03 | Xerox Corp | Electrometer system |
US3944354A (en) * | 1974-09-06 | 1976-03-16 | Eastman Kodak Company | Voltage measurement apparatus |
DE2555185A1 (de) * | 1974-12-09 | 1976-06-10 | Anvar | Vorrichtung zur messung von elektrischen ladungsmengen |
Non-Patent Citations (1)
Title |
---|
DD-Z: Wissenschaftliche Zeitung der TH Dresden, 1961, Heft 4, S.993-998 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3343183A1 (de) * | 1982-12-13 | 1984-06-14 | The Simco Co., Inc., 19440 Hatfield, Pa. | Elektrostatischer rundum-feldmessfuehler |
Also Published As
Publication number | Publication date |
---|---|
DE2848709C2 (de) | 1987-01-15 |
US4261660A (en) | 1981-04-14 |
GB2009425B (en) | 1982-06-09 |
GB2009425A (en) | 1979-06-13 |
JPS5467475A (en) | 1979-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: G03G 15/00 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |