CA1021006A - Method and apparatus for forming a positive electrostatic image - Google Patents

Method and apparatus for forming a positive electrostatic image

Info

Publication number
CA1021006A
CA1021006A CA152,365A CA152365A CA1021006A CA 1021006 A CA1021006 A CA 1021006A CA 152365 A CA152365 A CA 152365A CA 1021006 A CA1021006 A CA 1021006A
Authority
CA
Canada
Prior art keywords
forming
electrostatic image
positive electrostatic
positive
image
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
CA152,365A
Other versions
CA152365S (en
Inventor
Hewitt D. Crane
George J. Eilers
Gerald L. Pressman
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.)
Electroprint Inc
Original Assignee
Electroprint 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 Electroprint Inc filed Critical Electroprint Inc
Application granted granted Critical
Publication of CA1021006A publication Critical patent/CA1021006A/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
    • G03G15/34—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 powder image is formed directly on the recording material, e.g. by using a liquid toner
    • G03G15/344—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 powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array
    • G03G15/346—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 powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array by modulating the powder through holes or a slit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
CA152,365A 1971-11-11 1972-09-22 Method and apparatus for forming a positive electrostatic image Expired CA1021006A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19787771A 1971-11-11 1971-11-11

Publications (1)

Publication Number Publication Date
CA1021006A true CA1021006A (en) 1977-11-15

Family

ID=22731103

Family Applications (1)

Application Number Title Priority Date Filing Date
CA152,365A Expired CA1021006A (en) 1971-11-11 1972-09-22 Method and apparatus for forming a positive electrostatic image

Country Status (9)

Country Link
US (1) US3713734A (en)
JP (1) JPS5642868B2 (en)
CA (1) CA1021006A (en)
CH (1) CH579293A5 (en)
DE (1) DE2255132A1 (en)
FR (1) FR2159885A5 (en)
GB (1) GB1419520A (en)
IT (1) IT966842B (en)
NL (1) NL7214968A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014694A (en) * 1972-08-17 1977-03-29 Electroprint, Inc. Method and apparatus for forming a positive electrostatic image
GB1480842A (en) * 1973-06-19 1977-07-27 Canon Kk Electrophotography
JPS5427145B2 (en) * 1973-08-01 1979-09-07
US4006983A (en) * 1973-10-29 1977-02-08 Electroprint, Inc. Electrostatic color printing systems using modulated ion streams
US3942980A (en) * 1974-07-16 1976-03-09 Addressograph-Multigraph Corporation Ion modulator device and method of using in positive and negative modes
US4086088A (en) * 1976-03-25 1978-04-25 Addressograph Multigraph Corporation Imaging methods for use with charged particle modulator device
JPS53131A (en) * 1976-06-24 1978-01-05 Olympus Optical Co Ltd Electrophotographic device
US4168164A (en) * 1976-07-08 1979-09-18 Konishiroku Photo Industry Co., Ltd. Screen process for forming electrostatic latent images
JPS53108441A (en) 1977-03-04 1978-09-21 Olympus Optical Co Ltd Zerographic apparatus
JPS53109636A (en) * 1977-03-07 1978-09-25 Olympus Optical Co Ltd Electrophotographic method and apparatus
US4158564A (en) * 1977-04-04 1979-06-19 Electroprint, Inc. Method and apparatus for controlling the gray scale response of a multilayer image forming screen
DE2827642C2 (en) * 1977-06-24 1982-06-24 Olympus Optical Co., Ltd., Tokyo Control grid for image-wise modulation of an ion current in an electrostatic copier
US4218124A (en) * 1977-11-22 1980-08-19 Konishiroku Photo Industry Co., Ltd. Photo-sensitive screen for producing electrostatic latent image
JPS5412752A (en) * 1978-05-16 1979-01-30 Canon Inc Photosensitvie screen
US4600292A (en) * 1983-04-07 1986-07-15 Konishiroku Photo Industry Co., Ltd. Photoconductive screen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA553355A (en) * 1958-02-18 International Business Machines Corporation Apparatus and method for xerographic printing
DE1156308B (en) * 1956-01-10 1963-10-24 Albert Lieb Method and apparatus for producing images by electrophotographic means
US3339469A (en) * 1962-08-06 1967-09-05 Sun Chemical Corp Electrostatic printing apparatus
JPS41832Y1 (en) * 1964-06-16 1966-01-27
US3680954A (en) * 1965-04-30 1972-08-01 Eastman Kodak Co Electrography
US3532422A (en) * 1966-07-14 1970-10-06 Electroprint Inc Method and apparatus for electrostatic color reproduction
US3582206A (en) * 1968-03-01 1971-06-01 Electroprint Inc Ion projection aperture-controlled electrostatic printing system
US3603790A (en) * 1968-04-30 1971-09-07 Kodak Ltd Electroradiographic process

Also Published As

Publication number Publication date
GB1419520A (en) 1975-12-31
FR2159885A5 (en) 1973-06-22
IT966842B (en) 1974-02-20
DE2255132A1 (en) 1973-05-17
AU4695272A (en) 1974-03-28
US3713734A (en) 1973-01-30
NL7214968A (en) 1973-05-15
JPS5642868B2 (en) 1981-10-07
JPS4859840A (en) 1973-08-22
CH579293A5 (en) 1976-08-31

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