DE68912375T2 - Gerät zum Entwickeln von latenten elektrostatischen Bildern. - Google Patents

Gerät zum Entwickeln von latenten elektrostatischen Bildern.

Info

Publication number
DE68912375T2
DE68912375T2 DE68912375T DE68912375T DE68912375T2 DE 68912375 T2 DE68912375 T2 DE 68912375T2 DE 68912375 T DE68912375 T DE 68912375T DE 68912375 T DE68912375 T DE 68912375T DE 68912375 T2 DE68912375 T2 DE 68912375T2
Authority
DE
Germany
Prior art keywords
latent electrostatic
electrostatic images
developing latent
developing
images
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 - Lifetime
Application number
DE68912375T
Other languages
English (en)
Other versions
DE68912375D1 (de
Inventor
Dan A Hays
William H Wayman
Steven B Bolte
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of DE68912375D1 publication Critical patent/DE68912375D1/de
Application granted granted Critical
Publication of DE68912375T2 publication Critical patent/DE68912375T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105—Details of unit
    • G03G15/0126—Details of unit using a solid developer
    • 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
    • G03G15/0803—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer in a powder cloud
    • 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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0813—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by means in the developing zone having an interaction with the image carrying member, e.g. distance holders
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0602—Developer
    • G03G2215/0604—Developer solid type
    • G03G2215/0614—Developer solid type one-component
    • G03G2215/0621—Developer solid type one-component powder cloud
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device
    • G03G2215/0643—Electrodes in developing area, e.g. wires, not belonging to the main donor part
DE68912375T 1988-03-21 1989-03-20 Gerät zum Entwickeln von latenten elektrostatischen Bildern. Expired - Lifetime DE68912375T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/171,062 US4868600A (en) 1988-03-21 1988-03-21 Scavengeless development apparatus for use in highlight color imaging

Publications (2)

Publication Number Publication Date
DE68912375D1 DE68912375D1 (de) 1994-03-03
DE68912375T2 true DE68912375T2 (de) 1994-06-16

Family

ID=22622348

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68912375T Expired - Lifetime DE68912375T2 (de) 1988-03-21 1989-03-20 Gerät zum Entwickeln von latenten elektrostatischen Bildern.

Country Status (4)

Country Link
US (1) US4868600A (de)
EP (1) EP0334581B1 (de)
JP (1) JPH0664397B2 (de)
DE (1) DE68912375T2 (de)

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US4478505A (en) * 1981-09-30 1984-10-23 Tokyo Shibaura Denki Kabushiki Kaisha Developing apparatus for improved charging of flying toner
JPS58132765A (ja) * 1982-02-02 1983-08-08 Toshiba Corp 現像装置
JPS58217964A (ja) * 1982-06-14 1983-12-19 Konishiroku Photo Ind Co Ltd 現像装置
JPH0616204B2 (ja) * 1982-11-10 1994-03-02 株式会社東芝 現像方法
US4558941A (en) * 1983-03-31 1985-12-17 Takefumi Nosaki Developing apparatus
JPS59223467A (ja) * 1983-06-03 1984-12-15 Konishiroku Photo Ind Co Ltd 現像方法
US4568955A (en) * 1983-03-31 1986-02-04 Tokyo Shibaura Denki Kabushiki Kaisha Recording apparatus using a toner-fog generated by electric fields applied to electrodes on the surface of the developer carrier
US4610531A (en) * 1983-09-05 1986-09-09 Canon Kabushiki Kaisha Developing method and apparatus
US4669852A (en) * 1983-09-27 1987-06-02 Canon Kabushiki Kaisha Developing apparatus
JPS6076766A (ja) * 1983-10-04 1985-05-01 Konishiroku Photo Ind Co Ltd カラー画像形成装置
US4647179A (en) * 1984-05-29 1987-03-03 Xerox Corporation Development apparatus
JPH0652438B2 (ja) * 1986-02-08 1994-07-06 富士通株式会社 画像形成装置
US4731634A (en) * 1986-11-03 1988-03-15 Xerox Corporation Apparatus for printing black and plural highlight color images in a single pass
US4913348A (en) * 1988-12-22 1990-04-03 Xerox Corporation Method and apparatus for creating contrasting images at substantially full contrast voltage

Also Published As

Publication number Publication date
JPH01304477A (ja) 1989-12-08
EP0334581B1 (de) 1994-01-19
JPH0664397B2 (ja) 1994-08-22
DE68912375D1 (de) 1994-03-03
EP0334581A2 (de) 1989-09-27
EP0334581A3 (de) 1991-03-13
US4868600A (en) 1989-09-19

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