JPS5618953B2 - - Google Patents
Info
- Publication number
- JPS5618953B2 JPS5618953B2 JP10548371A JP10548371A JPS5618953B2 JP S5618953 B2 JPS5618953 B2 JP S5618953B2 JP 10548371 A JP10548371 A JP 10548371A JP 10548371 A JP10548371 A JP 10548371A JP S5618953 B2 JPS5618953 B2 JP S5618953B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/06—Eliminating residual charges from a reusable imaging member
- G03G21/08—Eliminating residual charges from a reusable imaging member using optical radiation
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- 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
- G03G15/047—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 for discharging non-image areas
-
- 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
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0434—Parameters defining the non-image area to be cleaned
- G03G2215/0443—Copy medium outline relative to the charge image
-
- 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
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0448—Charge-erasing means for the non-image area
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Cleaning In Electrography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10548371A JPS5618953B2 (fr) | 1971-12-27 | 1971-12-27 | |
GB5955772A GB1412249A (en) | 1971-12-27 | 1972-12-22 | Copying method and apparatus |
US00317779A US3778148A (en) | 1971-12-27 | 1972-12-22 | Apparatus and method for selectively discharging the photoconductive surface of an electrostatic drum copier to facilitate the cleaning thereof |
FR7246448A FR2354029A5 (fr) | 1971-12-27 | 1972-12-27 | Procede et machine de reproduction de documents |
DE2263707A DE2263707C3 (de) | 1971-12-27 | 1972-12-27 | Einrichtung zur Steuerung einer elektrophotographischen Kopiermaschine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10548371A JPS5618953B2 (fr) | 1971-12-27 | 1971-12-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4871240A JPS4871240A (fr) | 1973-09-27 |
JPS5618953B2 true JPS5618953B2 (fr) | 1981-05-02 |
Family
ID=14408821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10548371A Expired JPS5618953B2 (fr) | 1971-12-27 | 1971-12-27 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3778148A (fr) |
JP (1) | JPS5618953B2 (fr) |
DE (1) | DE2263707C3 (fr) |
FR (1) | FR2354029A5 (fr) |
GB (1) | GB1412249A (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS588507B2 (ja) * | 1974-06-10 | 1983-02-16 | 株式会社リコー | 湿式現像装置 |
DE2535366C3 (de) * | 1974-08-14 | 1981-05-07 | Ricoh Co., Ltd., Tokyo | Elektrophotographisches Verfahren und Einrichtung |
JPS51119229A (en) * | 1975-04-11 | 1976-10-19 | Minolta Camera Co Ltd | Electrophotography |
NL7507493A (nl) * | 1975-06-24 | 1976-12-28 | Oce Van Der Grinten Nv | Kopieerinrichting. |
JPS5229145U (fr) * | 1975-08-21 | 1977-03-01 | ||
JPS599054B2 (ja) * | 1975-10-29 | 1984-02-29 | ミノルタ株式会社 | 電子複写装置 |
JPS5264936A (en) * | 1975-11-25 | 1977-05-28 | Canon Inc | Apparatus for electronic photography |
JPS5289923A (en) * | 1976-01-23 | 1977-07-28 | Ricoh Co Ltd | Cleaning of remaining toner in electrophotographic copier |
JPS52110640A (en) * | 1976-03-15 | 1977-09-16 | Minolta Camera Co Ltd | Static latent image transferring electrophotographic copier |
CH621421A5 (en) * | 1976-03-31 | 1981-01-30 | Du Pont | Magnetographic dry copying process and device for carrying it out |
US4047811A (en) * | 1976-05-27 | 1977-09-13 | Xerox Corporation | Available light marginal illumination system |
JPS6320996Y2 (fr) * | 1978-04-07 | 1988-06-10 | ||
JPS5550291A (en) * | 1978-10-09 | 1980-04-11 | Toshiba Corp | Electronic copier |
DE2929037A1 (de) * | 1979-07-18 | 1981-02-05 | Siemens Ag | Verfahren und vorrichtung zur ionografischen roentgenbild-aufzeichnung |
US4534641A (en) * | 1983-10-31 | 1985-08-13 | Xerox Corporation | Charge erase device for copying or reproduction machines and printers |
US4538900A (en) * | 1983-11-09 | 1985-09-03 | Ricoh Company, Ltd. | Electrophotographic copying apparatus including drum conditioning apparatus and method |
US4561761A (en) * | 1984-06-25 | 1985-12-31 | Xerox Corporation | Charge erase device for copying or reproduction machines and printers |
NL8502186A (nl) * | 1985-08-05 | 1987-03-02 | Oce Nederland Bv | Kopieerapparaat voorzien van instelbare kadreermiddelen. |
US4785324A (en) * | 1986-03-26 | 1988-11-15 | Kabushiki Kaisha Toshiba | Electrophotographic apparatus and method for preventing the lowering of a charging voltage at a photoreceptor |
JPH087487B2 (ja) * | 1987-05-26 | 1996-01-29 | キヤノン株式会社 | 画像形成装置 |
US5459557A (en) * | 1992-06-30 | 1995-10-17 | Canon Kabushiki Kaisha | Image forming apparatus |
JP5948284B2 (ja) * | 2013-07-17 | 2016-07-06 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2909971A (en) * | 1954-03-29 | 1959-10-27 | Ibm | Printing machine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3318698A (en) * | 1963-05-03 | 1967-05-09 | Xerox Corp | Xeroprinting reproduction |
US3540806A (en) * | 1968-03-06 | 1970-11-17 | Xerox Corp | Half-toning method and apparatus for solid area coverage |
NL7016420A (fr) * | 1969-11-11 | 1971-05-13 |
-
1971
- 1971-12-27 JP JP10548371A patent/JPS5618953B2/ja not_active Expired
-
1972
- 1972-12-22 GB GB5955772A patent/GB1412249A/en not_active Expired
- 1972-12-22 US US00317779A patent/US3778148A/en not_active Expired - Lifetime
- 1972-12-27 FR FR7246448A patent/FR2354029A5/fr not_active Expired
- 1972-12-27 DE DE2263707A patent/DE2263707C3/de not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2909971A (en) * | 1954-03-29 | 1959-10-27 | Ibm | Printing machine |
Also Published As
Publication number | Publication date |
---|---|
DE2263707A1 (de) | 1973-07-05 |
JPS4871240A (fr) | 1973-09-27 |
DE2263707B2 (de) | 1978-05-03 |
US3778148A (en) | 1973-12-11 |
FR2354029A5 (fr) | 1977-12-30 |
DE2263707C3 (de) | 1978-12-21 |
GB1412249A (en) | 1975-10-29 |