GB2009425B - Surface potentionmeter - Google Patents

Surface potentionmeter

Info

Publication number
GB2009425B
GB2009425B GB7843821A GB7843821A GB2009425B GB 2009425 B GB2009425 B GB 2009425B GB 7843821 A GB7843821 A GB 7843821A GB 7843821 A GB7843821 A GB 7843821A GB 2009425 B GB2009425 B GB 2009425B
Authority
GB
United Kingdom
Prior art keywords
potentionmeter
surface potentionmeter
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
Application number
GB7843821A
Other languages
English (en)
Other versions
GB2009425A (en
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of GB2009425A publication Critical patent/GB2009425A/en
Application granted granted Critical
Publication of GB2009425B publication Critical patent/GB2009425B/en
Expired legal-status Critical Current

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)
GB7843821A 1977-11-09 1978-11-09 Surface potentionmeter Expired GB2009425B (en)

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
GB2009425A GB2009425A (en) 1979-06-13
GB2009425B true GB2009425B (en) 1982-06-09

Family

ID=15108451

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7843821A Expired GB2009425B (en) 1977-11-09 1978-11-09 Surface potentionmeter

Country Status (4)

Country Link
US (1) US4261660A (US06653308-20031125-C00199.png)
JP (1) JPS5467475A (US06653308-20031125-C00199.png)
DE (1) DE2848709C2 (US06653308-20031125-C00199.png)
GB (1) GB2009425B (US06653308-20031125-C00199.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
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
CN118566826B (zh) * 2024-07-31 2024-10-15 保定市兆微软件科技有限公司 电能表全自动标准装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
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
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
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
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

Also Published As

Publication number Publication date
DE2848709A1 (de) 1979-05-10
GB2009425A (en) 1979-06-13
JPS5467475A (en) 1979-05-30
US4261660A (en) 1981-04-14
DE2848709C2 (de) 1987-01-15

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19981108