GB1391945A - Method and apparatus for electrostratic printing - Google Patents

Method and apparatus for electrostratic printing

Info

Publication number
GB1391945A
GB1391945A GB3346372A GB3346372A GB1391945A GB 1391945 A GB1391945 A GB 1391945A GB 3346372 A GB3346372 A GB 3346372A GB 3346372 A GB3346372 A GB 3346372A GB 1391945 A GB1391945 A GB 1391945A
Authority
GB
United Kingdom
Prior art keywords
printing
electrostratic
polarity
image
heading
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
GB3346372A
Other languages
English (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.)
Zellweger Uster AG
Original Assignee
Zellweger Uster AG
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 Zellweger Uster AG filed Critical Zellweger Uster AG
Publication of GB1391945A publication Critical patent/GB1391945A/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
    • 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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/045—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Printing Methods (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
GB3346372A 1971-08-16 1972-07-18 Method and apparatus for electrostratic printing Expired GB1391945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1210571A CH542464A (de) 1971-08-16 1971-08-16 Verfahren und Vorrichtung zur Verbesserung des Kontrastes beim elektrostatischen Drucken

Publications (1)

Publication Number Publication Date
GB1391945A true GB1391945A (en) 1975-04-23

Family

ID=4379895

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3346372A Expired GB1391945A (en) 1971-08-16 1972-07-18 Method and apparatus for electrostratic printing

Country Status (9)

Country Link
JP (1) JPS4831942A (enrdf_load_stackoverflow)
BE (1) BE786994A (enrdf_load_stackoverflow)
CA (1) CA968146A (enrdf_load_stackoverflow)
CH (1) CH542464A (enrdf_load_stackoverflow)
DE (1) DE2220810A1 (enrdf_load_stackoverflow)
FR (1) FR2149751A5 (enrdf_load_stackoverflow)
GB (1) GB1391945A (enrdf_load_stackoverflow)
NL (1) NL7203871A (enrdf_load_stackoverflow)
ZA (1) ZA725143B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330819B2 (enrdf_load_stackoverflow) * 1974-07-19 1978-08-29
NL762871A (enrdf_load_stackoverflow) * 1974-11-01
JPS56165031A (en) * 1980-05-22 1981-12-18 Mitsubishi Rayon Co Production of knot like feather yarn
JPH0656511B2 (ja) * 1983-03-07 1994-07-27 富士ゼロックス株式会社 電子写真法における潜像形成方法
JPS6021749U (ja) * 1983-07-22 1985-02-14 富士ゼロックス株式会社 電子写真複写装置

Also Published As

Publication number Publication date
FR2149751A5 (enrdf_load_stackoverflow) 1973-03-30
BE786994A (fr) 1972-11-16
JPS4831942A (enrdf_load_stackoverflow) 1973-04-26
DE2220810A1 (de) 1973-03-01
CA968146A (en) 1975-05-27
CH542464A (de) 1973-09-30
ZA725143B (en) 1973-05-30
NL7203871A (enrdf_load_stackoverflow) 1973-02-20

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees