GB1406014A - Apparatus for generating electrostatic images - Google Patents

Apparatus for generating electrostatic images

Info

Publication number
GB1406014A
GB1406014A GB675973A GB675973A GB1406014A GB 1406014 A GB1406014 A GB 1406014A GB 675973 A GB675973 A GB 675973A GB 675973 A GB675973 A GB 675973A GB 1406014 A GB1406014 A GB 1406014A
Authority
GB
United Kingdom
Prior art keywords
electrodes
slot
leads
seat
spaced along
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
GB675973A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1406014A publication Critical patent/GB1406014A/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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
    • G03G15/321—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by charge transfer onto the recording material in accordance with the image
    • G03G15/323—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by charge transfer onto the recording material in accordance with the image by modulating charged particles through holes or a slit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Electronic Switches (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)

Abstract

1406014 Corona charging apparatus INTERNATIONAL BUSINESS MACHINES CORP 12 Feb 1973 [16 March 1972] 6759/73 Addition to 1357866 Heading H1X Apparatus described in the parent Specification for generating an electrostatic image is modified in that the physically separated ion channels are replaced by a slot provided with electrodes 5a1 to 5b7 on its sides to divide the slot electrically into a plurality of ion channels. Gas, e.g. air, under pressure is admitted to the ion chamber 1 through an inlet 2 and is ionized. Chamber 1 communicates with the slot in the print head assembly 4. Electrodes 5a1 to 5a7 spaced along one side of the seat are connected through contacts 65a to 65g and leads 15a to 15g to a character pulsing means. Electrodes 5b1 to 5b7 spaced along the other side of the seat are connected by leads 16a to 16g to a common D.C. supply. Printing is effected by reducing the nett field across a channel to zero to enable the ions to pass to an image receiving surface.
GB675973A 1972-03-16 1973-02-12 Apparatus for generating electrostatic images Expired GB1406014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23518672A 1972-03-16 1972-03-16

Publications (1)

Publication Number Publication Date
GB1406014A true GB1406014A (en) 1975-09-10

Family

ID=22884460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB675973A Expired GB1406014A (en) 1972-03-16 1973-02-12 Apparatus for generating electrostatic images

Country Status (7)

Country Link
US (1) US3742516A (en)
JP (1) JPS495031A (en)
CA (1) CA1007284A (en)
DE (1) DE2306606A1 (en)
FR (1) FR2175791B2 (en)
GB (1) GB1406014A (en)
IT (1) IT978351B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150764A (en) * 1983-11-30 1985-07-03 Xerox Corp Corona charging apparatus and method

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978492A (en) * 1971-09-25 1976-08-31 Agfa-Gevaert, A.G. Process for the electrographic recording of charge images in a low electron affinity case
US4338614A (en) * 1979-10-22 1982-07-06 Markem Corporation Electrostatic print head
US4463363A (en) * 1982-07-06 1984-07-31 Xerox Corporation Fluid assisted ion projection printing
US4538163A (en) * 1983-03-02 1985-08-27 Xerox Corporation Fluid jet assisted ion projection and printing apparatus
US4524371A (en) * 1983-04-01 1985-06-18 Xerox Corporation Modulation structure for fluid jet assisted ion projection printing apparatus
US4734721A (en) * 1985-10-04 1988-03-29 Markem Corporation Electrostatic printer utilizing dehumidified air
US4772901A (en) * 1986-07-29 1988-09-20 Markem Corporation Electrostatic printing utilizing dehumidified air
US4809026A (en) * 1986-07-29 1989-02-28 Markem Corporation Electrostatic printing utilizing a heated air flow
US4809027A (en) * 1986-07-29 1989-02-28 Markem Corporation Offset electrostatic printing utilizing a heated air flow
US5153618A (en) * 1989-12-29 1992-10-06 Xerox Corporation Ionographic imaging system
US5039598A (en) * 1989-12-29 1991-08-13 Xerox Corporation Ionographic imaging system
US5073434A (en) * 1989-12-29 1991-12-17 Xerox Corporation Ionographic imaging system
US5270741A (en) * 1991-02-20 1993-12-14 Kabushiki Kaisha Toshiba Apparatus for generating ions in solid ion recording head with improved stability
US5394176A (en) * 1992-03-24 1995-02-28 Nippon Steel Corporation Electrostatic printing apparatus
US7764296B2 (en) * 2007-07-30 2010-07-27 Hewlett-Packard Development Company, L.P. Electrographic apparatus for forming a latent image on an imaging surface
US20110151372A1 (en) * 2009-12-17 2011-06-23 Masaki Watanabe Toner, image forming method using the toner, and image forming apparatus using the toner
US10324388B2 (en) * 2016-03-18 2019-06-18 Ricoh Company, Ltd. Toner, toner stored unit, image forming apparatus, and image forming method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266046A (en) * 1961-01-24 1966-08-09 Le Febure Inc Electrostatic printer
US3449753A (en) * 1965-02-01 1969-06-10 Burroughs Corp Apparatus for controlling contrast in electrostatic printers
US3495269A (en) * 1966-12-19 1970-02-10 Xerox Corp Electrographic recording method and apparatus with inert gaseous discharge ionization and acceleration gaps
DE1671522C3 (en) * 1967-11-22 1978-10-05 Agfa-Gevaert Ag, 5090 Leverkusen Process for producing a charge image
DE1934890C3 (en) * 1969-07-10 1979-06-13 Agfa-Gevaert Ag, 5090 Leverkusen Device for imagewise charging an electrically insulating recording material
US3611414A (en) * 1969-09-03 1971-10-05 Eastman Kodak Co Electrographic oscillograph

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150764A (en) * 1983-11-30 1985-07-03 Xerox Corp Corona charging apparatus and method
US4762997A (en) * 1983-11-30 1988-08-09 Xerox Corporation Fluid jet assisted ion projection charging method

Also Published As

Publication number Publication date
US3742516A (en) 1973-06-26
IT978351B (en) 1974-09-20
CA1007284A (en) 1977-03-22
FR2175791A2 (en) 1973-10-26
FR2175791B2 (en) 1978-01-13
DE2306606A1 (en) 1973-09-20
JPS495031A (en) 1974-01-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee