JPS5486339A - Electric charging method and device - Google Patents

Electric charging method and device

Info

Publication number
JPS5486339A
JPS5486339A JP15462377A JP15462377A JPS5486339A JP S5486339 A JPS5486339 A JP S5486339A JP 15462377 A JP15462377 A JP 15462377A JP 15462377 A JP15462377 A JP 15462377A JP S5486339 A JPS5486339 A JP S5486339A
Authority
JP
Japan
Prior art keywords
charged
high voltage
control signal
corona discharge
potential
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
Application number
JP15462377A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0127422B2 (en, 2012
Inventor
Tsukasa Kuge
Yasuyuki Tamura
Koichi Tanigawa
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
Priority to JP15462377A priority Critical patent/JPS5486339A/ja
Priority to DE19782855410 priority patent/DE2855410A1/de
Publication of JPS5486339A publication Critical patent/JPS5486339A/ja
Priority to US06/231,110 priority patent/US4346986A/en
Publication of JPH0127422B2 publication Critical patent/JPH0127422B2/ja
Granted 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266—Arrangements for controlling the amount of charge

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
JP15462377A 1977-12-22 1977-12-22 Electric charging method and device Granted JPS5486339A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP15462377A JPS5486339A (en) 1977-12-22 1977-12-22 Electric charging method and device
DE19782855410 DE2855410A1 (de) 1977-12-22 1978-12-21 Verfahren und vorrichtung zur bilderzeugung
US06/231,110 US4346986A (en) 1977-12-22 1981-02-03 Image formation method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15462377A JPS5486339A (en) 1977-12-22 1977-12-22 Electric charging method and device

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP27125284A Division JPS60166971A (ja) 1984-12-21 1984-12-21 帯電装置
JP59271251A Division JPS60247267A (ja) 1984-12-21 1984-12-21 画像形成装置

Publications (2)

Publication Number Publication Date
JPS5486339A true JPS5486339A (en) 1979-07-09
JPH0127422B2 JPH0127422B2 (en, 2012) 1989-05-29

Family

ID=15588220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15462377A Granted JPS5486339A (en) 1977-12-22 1977-12-22 Electric charging method and device

Country Status (3)

Country Link
US (1) US4346986A (en, 2012)
JP (1) JPS5486339A (en, 2012)
DE (1) DE2855410A1 (en, 2012)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4592646A (en) * 1981-03-27 1986-06-03 Canon Kabushiki Kaisha Image forming apparatus with control for image forming conditions
US4417804A (en) * 1981-06-19 1983-11-29 Xerox Corporation High voltage comparator for photoreceptor voltage control
JPS58136063A (ja) * 1982-02-08 1983-08-12 Fuji Xerox Co Ltd 電子写真複写機のコロナ放電装置
JPS5972067A (ja) * 1982-10-18 1984-04-23 Toshiba Corp 帯電装置の異常検出装置
US5619308A (en) * 1992-05-19 1997-04-08 Minolta Camera Kabushiki Kaisha Electrophotographic image forming apparatus adjusting image forming means based on surface voltage of photoconductor
JPH09185194A (ja) * 1995-12-28 1997-07-15 Toshiba Corp 画像形成装置
US6339691B1 (en) * 2000-03-14 2002-01-15 Toshiba Tec Kabushiki Kaisha Image forming apparatus with a constant-current power supply
JP2001305837A (ja) * 2000-04-18 2001-11-02 Canon Inc 画像形成装置及びプロセスカートリッジ
US6564023B2 (en) * 2000-04-28 2003-05-13 Canon Kabushiki Kaisha Image forming apparatus with AC current detector
JP2007241244A (ja) * 2006-02-13 2007-09-20 Sharp Corp 帯電装置、画像形成装置、および帯電方法
US7647014B2 (en) * 2006-02-13 2010-01-12 Sharp Kabushiki Kaisha Pretransfer charging device and image forming apparatus including same
JP4929851B2 (ja) * 2006-06-06 2012-05-09 富士ゼロックス株式会社 画像形成装置
JP4489090B2 (ja) * 2007-01-30 2010-06-23 シャープ株式会社 イオン発生装置及び電気機器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956487A (en) * 1955-03-23 1960-10-18 Rca Corp Electrostatic printing
BE715685A (en, 2012) * 1967-07-06 1968-10-16
US3604925A (en) * 1968-12-03 1971-09-14 Zerox Corp Apparatus for controlling the amount of charge applied to a surface
US3586908A (en) * 1969-02-28 1971-06-22 Robert E Vosteen Automatic potential control system for electrophotography apparatus
US3714531A (en) * 1970-06-26 1973-01-30 Canon Kk Ac corona discharger
US3788739A (en) * 1972-06-21 1974-01-29 Xerox Corp Image compensation method and apparatus for electrophotographic devices
US3819942A (en) * 1973-05-07 1974-06-25 Savin Business Machines Corp Regulated power supply for corona charging unit
US4028596A (en) * 1974-12-13 1977-06-07 Coulter Information Systems, Inc. Corona power supply circuit
US4000944A (en) * 1975-02-18 1977-01-04 Xerox Corporation Photoreceptor for electrostatic reproduction machines with built-in electrode
US4019102A (en) * 1975-10-16 1977-04-19 General Electric Company Successive approximation feedback control system
JPS5264936A (en) * 1975-11-25 1977-05-28 Canon Inc Apparatus for electronic photography

Also Published As

Publication number Publication date
DE2855410C2 (en, 2012) 1990-04-05
JPH0127422B2 (en, 2012) 1989-05-29
US4346986A (en) 1982-08-31
DE2855410A1 (de) 1979-07-05

Similar Documents

Publication Publication Date Title
JPS5486339A (en) Electric charging method and device
IE781295L (en) Generation of pulses
JPS57124946A (en) Pulse detection circuit
CH622924GA3 (en, 2012)
JPS5235851A (en) Power source voltage detection circuit
JPS5252641A (en) Corona discharge device
KR920010399A (ko) 전원 제어 방법 및 장치
JPS55164428A (en) System for electric discharge machining
ES477245A1 (es) Perfeccionamientos en circuitos de etapa de entrada para el circuito de control del encendido de automoviles.
SE8103825L (sv) Egenseker flamovervakningsanordning
ATE17808T1 (de) Schaltungsanordnung zum laden einer akkumulatorbatterie mit pulsierendem gleichstrom.
JPS53116163A (en) Electric charger for electrophotography
GB1272191A (en) Arrangement for controlling the voltage or current applied to an electrical apparatus
JPS549631A (en) Automatic control system for charging amount
JPS6439235A (en) Battery charging equipment
JPS54152719A (en) Ignitor
JPS5529857A (en) Electrostatic recorder
JPS55149730A (en) Electromagnetic forming apparatus
JPS53141046A (en) Ac corona generator for electrostatic electrophotographic copier
JPS5696306A (en) Direct current regulated power supply device
JPS55111954A (en) Method and apparatus for image formation
JPS56107964A (en) Preventing device against over speed of engine
JPS5735952A (ja) Denkishujinsochi
JPS5686365A (en) Salt injury predicting device
JPS5790662A (en) Electrostatic charger for copying machine