NL7207843A - - Google Patents

Info

Publication number
NL7207843A
NL7207843A NL7207843A NL7207843A NL7207843A NL 7207843 A NL7207843 A NL 7207843A NL 7207843 A NL7207843 A NL 7207843A NL 7207843 A NL7207843 A NL 7207843A NL 7207843 A NL7207843 A NL 7207843A
Authority
NL
Netherlands
Application number
NL7207843A
Other versions
NL170893C (nl
NL170893B (nl
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 filed Critical
Publication of NL7207843A publication Critical patent/NL7207843A/xx
Publication of NL170893B publication Critical patent/NL170893B/xx
Application granted granted Critical
Publication of NL170893C publication Critical patent/NL170893C/xx

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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0907—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with bias voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing For Electrophotography (AREA)
  • Color Electrophotography (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
NLAANVRAGE7207843,A 1971-06-11 1972-06-09 Elektrostatische afdrukinrichting. NL170893C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00152138A US3805739A (en) 1971-06-11 1971-06-11 Controlling multiple voltage levels for electrostatic printing

Publications (3)

Publication Number Publication Date
NL7207843A true NL7207843A (de) 1972-12-13
NL170893B NL170893B (nl) 1982-08-02
NL170893C NL170893C (nl) 1983-01-03

Family

ID=22541663

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7207843,A NL170893C (nl) 1971-06-11 1972-06-09 Elektrostatische afdrukinrichting.

Country Status (5)

Country Link
US (1) US3805739A (de)
CA (1) CA972552A (de)
DE (1) DE2227709C3 (de)
GB (1) GB1382710A (de)
NL (1) NL170893C (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510070B2 (de) * 1973-05-10 1980-03-13
US3901189A (en) * 1974-01-28 1975-08-26 Xerox Corp Magnetic brush developing apparatus
USRE31964E (en) * 1974-06-17 1985-08-06 Savin Corporation Automatic development electrode bias control system
US3996892A (en) * 1975-02-24 1976-12-14 Xerox Corporation Spatially programmable electrode-type roll for electrostatographic processors and the like
US3981268A (en) * 1975-06-11 1976-09-21 Fuji Xerox Co., Ltd. Device for controlling electric potential applied to developing electrode in an electrophotographic duplicator
US4149487A (en) * 1977-08-30 1979-04-17 Xerox Corporation Xerographic machine with infinitely variable developer bias
JPS5497039A (en) * 1978-01-17 1979-07-31 Konishiroku Photo Ind Co Ltd Bias voltage change-over circuit for image density control of copier
JPS5497038A (en) * 1978-01-17 1979-07-31 Konishiroku Photo Ind Co Ltd Image density controller for zerographic copier
US4755850A (en) * 1981-01-13 1988-07-05 Canon Kabushiki Kaisha Electrostatic recording apparatus including a controlled developer device
JPS5842070A (ja) * 1981-09-08 1983-03-11 Canon Inc 画像形成装置
NL8200825A (nl) * 1982-03-02 1983-10-03 Oce Nederland Bv Elektrofotografisch kopieerapparaat.
US4500198A (en) * 1982-12-10 1985-02-19 International Business Machines Corporation Multiple roller magnetic brush developer having development electrode voltage switching
US4496644A (en) * 1983-02-28 1985-01-29 Eastman Kodak Company Electric field adjustment for magnetic brushes
JPH0690556B2 (ja) * 1985-06-18 1994-11-14 富士通株式会社 電子写真式記録装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890968A (en) * 1955-06-02 1959-06-16 Rca Corp Electrostatic printing process and developer composition therefor
US3037478A (en) * 1957-10-23 1962-06-05 American Photocopy Equip Co Apparatus for developing electrophotographic sheet
US3152012A (en) * 1960-12-19 1964-10-06 Ibm Apparatus for the development of electrostatic images
GB1063203A (en) * 1962-10-02 1967-03-30 Australia Res Lab Method of and means for the transfer of images
US3185051A (en) * 1962-10-16 1965-05-25 Xerox Corp Xerographic method
US3219014A (en) * 1962-12-04 1965-11-23 Xerox Corp Mechanical shield to protect magnetic core in xerographic developing apparatus
BE655347A (de) * 1963-11-05
US3654893A (en) * 1970-05-01 1972-04-11 Eastman Kodak Co Automatic bias control for electrostatic development

Also Published As

Publication number Publication date
DE2227709C3 (de) 1981-09-17
NL170893C (nl) 1983-01-03
DE2227709B2 (de) 1981-01-29
DE2227709A1 (de) 1972-12-28
NL170893B (nl) 1982-08-02
GB1382710A (en) 1975-02-05
US3805739A (en) 1974-04-23
CA972552A (en) 1975-08-12

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Legal Events

Date Code Title Description
BC A request for examination has been filed
V4 Lapsed because of reaching the maximum lifetime of a patent