DE2848709C2 - Elektrographisches Gerät mit einer Oberflächenpotential-Ermittlungseinrichtung - Google Patents
Elektrographisches Gerät mit einer Oberflächenpotential-ErmittlungseinrichtungInfo
- Publication number
- DE2848709C2 DE2848709C2 DE2848709A DE2848709A DE2848709C2 DE 2848709 C2 DE2848709 C2 DE 2848709C2 DE 2848709 A DE2848709 A DE 2848709A DE 2848709 A DE2848709 A DE 2848709A DE 2848709 C2 DE2848709 C2 DE 2848709C2
- Authority
- DE
- Germany
- Prior art keywords
- measuring
- recording material
- surface potential
- signal
- electrographic
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 title claims description 4
- 239000000463 material Substances 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 13
- 230000005669 field effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 238000005070 sampling Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 230000008021 deposition Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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 DE2848709A1 (de) | 1979-05-10 |
| DE2848709C2 true 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)
Families Citing this family (15)
| 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 |
| US4529940A (en) * | 1982-12-13 | 1985-07-16 | The Simco Company, Inc. | Panoramic electrostatic field sensor |
| 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 |
| WO2009148572A2 (en) * | 2008-06-02 | 2009-12-10 | 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 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2587156A (en) * | 1948-12-28 | 1952-02-26 | St Joseph Lead Co | Electric field strength measurement |
| 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 |
| US3344344A (en) * | 1964-10-01 | 1967-09-26 | Jr Nathaniel B Wales | Electric charge responsive device |
| US3525936A (en) * | 1966-07-26 | 1970-08-25 | Robert E Vosteen | Electrostatic voltage follower circuit for use as a voltmeter |
| 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 |
| US3667036A (en) * | 1970-01-23 | 1972-05-30 | Xerox Corp | Electrometer amplifier circuits |
| US3852668A (en) * | 1973-08-14 | 1974-12-03 | Xerox Corp | Electrometer system |
| 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 |
| US3944354A (en) * | 1974-09-06 | 1976-03-16 | Eastman Kodak Company | Voltage measurement apparatus |
| FR2294451A1 (fr) * | 1974-12-09 | 1976-07-09 | Anvar | Dispositif pour mesurer des quantites de charges electriques |
| 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 GB GB7843821A patent/GB2009425B/en not_active Expired
- 1978-11-09 DE DE2848709A patent/DE2848709C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5467475A (en) | 1979-05-30 |
| GB2009425A (en) | 1979-06-13 |
| GB2009425B (en) | 1982-06-09 |
| DE2848709A1 (de) | 1979-05-10 |
| US4261660A (en) | 1981-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2848709C2 (de) | Elektrographisches Gerät mit einer Oberflächenpotential-Ermittlungseinrichtung | |
| DE3015859C2 (US20030199744A1-20031023-C00003.png) | ||
| DE2411855C3 (de) | Einrichtung zum Steuern des Potentials der Entwicklerelektrode | |
| DE3240026C2 (US20030199744A1-20031023-C00003.png) | ||
| DE2941665C2 (US20030199744A1-20031023-C00003.png) | ||
| DE2807317C3 (de) | Verfahren zur Einhaltung der Optimalbedingungen bei der Elektrofotografie | |
| DE2516012C2 (US20030199744A1-20031023-C00003.png) | ||
| DE2747014C3 (de) | Elektrophotographische Entwicklungsvorrichtung | |
| DE69325113T2 (de) | Bilderzeugungsgerät mit einem Auflade-Element in Kontakt mit dem Bildträgerelement | |
| DE2055321C3 (de) | Gerät zum Zuführen eines Toners in einer elektrophotographischen Kopiervorrichtung | |
| DE3705469C2 (US20030199744A1-20031023-C00003.png) | ||
| DE2558025A1 (de) | Elektrometer-messgeraet fuer kopiermaschinen | |
| DE2952672C2 (de) | Elektrophotographisches Kopiergerät | |
| DE2855074C2 (de) | Oberflächenpotential-Meßeinrichtung | |
| DE2805510A1 (de) | Verfahren und einrichtung zum fuehlen der verschlechterung eines entwicklers | |
| DE2621861C2 (de) | Vorrichtung zum Entwickeln eines latenten elektrostatischen Bildes | |
| DE2247063C3 (de) | Vorrichtung zum Steuern der Entwicklung in einem elektrostatischen Mehrfarb-Kopiergerät | |
| DE3219990C2 (US20030199744A1-20031023-C00003.png) | ||
| DE3115345A1 (de) | Steuersystem zum regulieren der tonerpartikel-konzentration in einer entwicklermischung | |
| DE3637101A1 (de) | Vorrichtung mit einem fotoleiter, insbesondere kopiergeraet | |
| DE2558453C3 (de) | Vorrichtung zur Entwicklung eines elektrostatischen Ladungsbildes | |
| DE2325962A1 (de) | Elektrofotografisches kopierverfahren | |
| DE69107377T2 (de) | Bildaufnahmegerät. | |
| DE2855073A1 (de) | Geraet und verfahren zur bilderzeugung | |
| DE68910578T2 (de) | Elektrophotographisches System. |
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 |