GB1235497A - Charging device for electrostatic reproducing apparatus - Google Patents

Charging device for electrostatic reproducing apparatus

Info

Publication number
GB1235497A
GB1235497A GB32450/68A GB3245068A GB1235497A GB 1235497 A GB1235497 A GB 1235497A GB 32450/68 A GB32450/68 A GB 32450/68A GB 3245068 A GB3245068 A GB 3245068A GB 1235497 A GB1235497 A GB 1235497A
Authority
GB
United Kingdom
Prior art keywords
discharge
discharge current
electrode
pentode
july
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
GB32450/68A
Other languages
English (en)
Inventor
Takeshi Ukai
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB1235497A publication Critical patent/GB1235497A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/003—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electrostatic apparatus
    • 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
    • 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
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
GB32450/68A 1967-07-06 1968-07-08 Charging device for electrostatic reproducing apparatus Expired GB1235497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4357167 1967-07-06

Publications (1)

Publication Number Publication Date
GB1235497A true GB1235497A (en) 1971-06-16

Family

ID=12667421

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32450/68A Expired GB1235497A (en) 1967-07-06 1968-07-08 Charging device for electrostatic reproducing apparatus

Country Status (4)

Country Link
US (1) US3699388A (enrdf_load_stackoverflow)
BE (1) BE715685A (enrdf_load_stackoverflow)
DE (1) DE1771684A1 (enrdf_load_stackoverflow)
GB (1) GB1235497A (enrdf_load_stackoverflow)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809955A (en) * 1973-03-26 1974-05-07 Graco Inc Safety circuit for electrostatic spray gun
GB1451647A (enrdf_load_stackoverflow) * 1973-12-21 1976-10-06
DE2550846C2 (de) * 1974-11-12 1983-11-17 Ricoh Co., Ltd., Tokyo Entwicklungseinrichtung für ein elektrophotographisches Kopiergerät
DE2611503C2 (de) * 1975-04-28 1986-09-04 Xerox Corp., Rochester, N.Y. Elektrostatisches Kopiergerät
US3976881A (en) * 1975-10-29 1976-08-24 Xerox Corporation Arrangement for stabilizing corona devices
US3976880A (en) * 1975-10-29 1976-08-24 Xerox Corporation Corona stabilization arrangement
FR2353085A1 (fr) * 1976-05-26 1977-12-23 Canon Kk Procede et dispositif de charge d'un organe de reproduction electrophotographique par decharge par effluves
JPS5486339A (en) * 1977-12-22 1979-07-09 Canon Inc Electric charging method and device
US4189642A (en) * 1978-04-03 1980-02-19 International Business Machines Corporation Method and apparatus for drum corona current measurement and alignment
GB2039101B (en) * 1978-08-24 1983-05-25 Canon Kk Control of electrostatic recording apparatus
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
JPS59133570A (ja) * 1983-01-20 1984-07-31 Sharp Corp コロナ放電器の異常検出装置
NL8501886A (nl) * 1985-07-01 1987-02-02 Oce Nederland Bv Werkwijze en inrichting voor het bepalen van een maat voor de oppervlaktepotentiaal van een medium dat met behulp van een coronaoplaadinrichting wordt opgeladen.
US5164776A (en) * 1991-09-19 1992-11-17 Xerox Corporation Apparatus and method for correcting the voltage on a photoconductive device
US5317155A (en) * 1992-12-29 1994-05-31 The Electrogesic Corporation Corona discharge apparatus
US6034368A (en) * 1998-07-06 2000-03-07 Xerox Corporation AC corona current regulation
US7457096B2 (en) * 2005-09-13 2008-11-25 Taser International, Inc. Systems and methods for ARC energy regulation
US7821766B2 (en) * 2007-04-19 2010-10-26 Taser International, Inc. Systems and methods for pulse delivery
US7986506B2 (en) 2006-05-03 2011-07-26 Taser International, Inc. Systems and methods for arc energy regulation and pulse delivery

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA748015A (en) * 1966-12-06 Canadian Kodak Co. Limited Electrostatic charging methods and apparatus
DE834263C (de) * 1951-06-29 1952-03-17 Gen Motors Corp Elektrisches Entladungssystem und seine Anwendung zur Spritzlackierung
US2868989A (en) * 1956-01-03 1959-01-13 Haloid Xerox Inc Electrostatic charging method and device
DE1272720B (de) * 1964-11-05 1968-07-11 Reinhold Epping Dipl Phys Verfahren und Vorrichtung zum Aufladen von photoleitfaehigen Schichten mit Hilfe einer Koronaentladung

Also Published As

Publication number Publication date
DE1771684A1 (de) 1971-01-14
BE715685A (enrdf_load_stackoverflow) 1968-10-16
US3699388A (en) 1972-10-17

Similar Documents

Publication Publication Date Title
GB1235497A (en) Charging device for electrostatic reproducing apparatus
US2869357A (en) Continuously indicating electroacoustic densitometer
US3577007A (en) Constant amplitude variable frequency sweep generator
US3604925A (en) Apparatus for controlling the amount of charge applied to a surface
GB1211588A (en) Electrostatic printer
GB607306A (en) Improvements in or relating to sawtooth generators
US2654855A (en) Autoamtic control for wave form
GB1533311A (en) Electrostatographic diagnostics system
GB1337355A (en) Apparatus for charging a recording element with an electrostatic charge of a desired magnitude
GB1170472A (en) Charge Control Apparatus
US2482803A (en) Electronic signal shaping circuit
US2383333A (en) Sweep circuit for cathode ray tubes
US2824237A (en) Gaseous discharge tube detector circuits
GB1275427A (en) Improved writing circuit for electrostatic recorders
US2495704A (en) Constant amplitude wave train generator
GB939757A (en) Improvements in well logging apparatus
GB1097445A (en) Improvements in or relating to methods of and apparatus for echo sounding
US2958010A (en) Recording system
DE1931099B2 (de) Verfahren und vorrichtung zur modulation oder stabilisierung eines von einem ionenbeschleuniger erzeugten neutronenflusses
US2525544A (en) Cathode-ray tube control circuits
GB1407287A (en) Wide-bandwidth defelction apparatus
US2672552A (en) Device for producing calibrating pulses
GB720706A (en) Electric wave generator circuits
US3166717A (en) Area balanced waveform generator
GB588417A (en) Improvements in or relating to thermionic valve circuit arrangements