JPS4912829A - - Google Patents
Info
- Publication number
- JPS4912829A JPS4912829A JP47037745A JP3774572A JPS4912829A JP S4912829 A JPS4912829 A JP S4912829A JP 47037745 A JP47037745 A JP 47037745A JP 3774572 A JP3774572 A JP 3774572A JP S4912829 A JPS4912829 A JP S4912829A
- 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.)
- Pending
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
- G03G15/04—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
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0275—Arrangements for controlling the area of the photoconductor to be charged
-
- 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
- G03G2215/0436—Document properties at the scanning position, e.g. position and density
- G03G2215/0441—Manual input of properties
-
- 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
-
- 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
- G03G2215/046—Charger
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Rotary Presses (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47037745A JPS4912829A (da) | 1972-04-17 | 1972-04-17 | |
GB1355373A GB1369776A (en) | 1972-04-17 | 1973-03-21 | Photocopying apparatus |
DE2316387A DE2316387C3 (de) | 1972-04-17 | 1973-04-02 | Elektrofotografisches Kopiergerät |
US00348228A US3827799A (en) | 1972-04-17 | 1973-04-05 | Device for preventing development of non-image marginal portions of a photoreceptor in electrophotographic copying apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47037745A JPS4912829A (da) | 1972-04-17 | 1972-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4912829A true JPS4912829A (da) | 1974-02-04 |
Family
ID=12506002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47037745A Pending JPS4912829A (da) | 1972-04-17 | 1972-04-17 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3827799A (da) |
JP (1) | JPS4912829A (da) |
DE (1) | DE2316387C3 (da) |
GB (1) | GB1369776A (da) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS516732A (ja) * | 1974-07-06 | 1976-01-20 | Ricoh Kk | Senkorokogataseidenfukushakiniokeru genzohanigenteisochi |
JPS5172044U (da) * | 1974-12-04 | 1976-06-07 | ||
JPS5312334A (en) * | 1976-07-20 | 1978-02-03 | Oki Electric Ind Co Ltd | Light beam printer |
JPS5313425A (en) * | 1976-07-23 | 1978-02-07 | Oki Electric Ind Co Ltd | Optical beam printer |
JPS5413360U (da) * | 1977-06-30 | 1979-01-27 | ||
JPS5469438A (en) * | 1977-11-14 | 1979-06-04 | Ricoh Co Ltd | Electrophotographic apparatus |
JPS5499631U (da) * | 1977-12-24 | 1979-07-13 | ||
JPS5494038A (en) * | 1978-01-07 | 1979-07-25 | Ricoh Co Ltd | Copier for zerography |
JPS55127582A (en) * | 1979-03-26 | 1980-10-02 | Ibm | Electrostatic copier |
JPS5793942U (da) * | 1980-11-28 | 1982-06-09 | ||
JPS57105638U (da) * | 1980-12-18 | 1982-06-29 | ||
JPS57160148U (da) * | 1981-04-01 | 1982-10-07 | ||
JPS57163253A (en) * | 1981-04-01 | 1982-10-07 | Sharp Corp | Electrophotographic copier |
JPS57163254A (en) * | 1981-04-01 | 1982-10-07 | Sharp Corp | Electrophotographic copier |
JPS6143038U (ja) * | 1976-05-14 | 1986-03-20 | ワルタ−・スペングラ− | 印刷機械 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4256400A (en) * | 1977-10-08 | 1981-03-17 | Canon Kabushiki Kaisha | Copying machine provided with means for selectively setting original base line |
JPS55121452A (en) * | 1979-03-12 | 1980-09-18 | Olympus Optical Co Ltd | Electrophotographic apparatus |
US4431301A (en) * | 1980-03-12 | 1984-02-14 | Tokyo Shibaura Denki Kabushiki Kaisha | Electrostatic copying apparatus with means for preventing contamination of reverse side of copying medium |
JPS56146155A (en) * | 1980-04-15 | 1981-11-13 | Mita Ind Co Ltd | Electrostatic copying machine |
JPS59228680A (ja) * | 1983-06-10 | 1984-12-22 | Sharp Corp | 電子写真複写機 |
DE3601122A1 (de) * | 1985-01-18 | 1986-07-24 | Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa | Bilderzeugungsgeraet mit bereichswahl und -bestaetigung |
JPS61175631A (ja) * | 1985-01-30 | 1986-08-07 | Minolta Camera Co Ltd | リ−ダ−・プリンタ− |
JPS61180265A (ja) * | 1985-02-06 | 1986-08-12 | Toshiba Corp | 画像形成装置 |
US4774593A (en) * | 1985-04-19 | 1988-09-27 | Sanyo Electric Co., Ltd. | Image forming apparatus |
US5521675A (en) * | 1995-06-28 | 1996-05-28 | Xerox Corporation | Annotation system occluding device for an electrophotographic printing apparatus |
DE59607232D1 (de) * | 1995-10-09 | 2001-08-09 | Oce Printing Systems Gmbh | Elektrografischer drucker mit einstellbarer koronaeinrichtung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3556655A (en) * | 1968-01-22 | 1971-01-19 | Addressograph Multigraph | Photoelectrostatic copying machine |
US3578970A (en) * | 1968-05-03 | 1971-05-18 | Plastic Coating Corp | Variable width corona discharge apparatus with means to shield or vary a predetermined length of a corona discharge wire |
AU421643B2 (en) * | 1968-11-11 | 1972-02-23 | The Commonwealth Of Australia | A method of countour charging |
JPS4813446B1 (da) * | 1969-03-10 | 1973-04-27 | ||
US3685895A (en) * | 1970-05-18 | 1972-08-22 | Opto Graphics Inc | Electrophotographic charging easel |
US3671121A (en) * | 1970-08-05 | 1972-06-20 | Eastman Kodak Co | Exposure device for controlling charge on a portion of a charged surface bordering an image frame projected on the charged surface |
US3724940A (en) * | 1970-12-07 | 1973-04-03 | Ricoh Kk | Electrophotographic copying apparatus with means for erasing marginal images |
US3751155A (en) * | 1971-12-30 | 1973-08-07 | Xerox Corp | Pre-development exposure assembly |
-
1972
- 1972-04-17 JP JP47037745A patent/JPS4912829A/ja active Pending
-
1973
- 1973-03-21 GB GB1355373A patent/GB1369776A/en not_active Expired
- 1973-04-02 DE DE2316387A patent/DE2316387C3/de not_active Expired
- 1973-04-05 US US00348228A patent/US3827799A/en not_active Expired - Lifetime
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS516732A (ja) * | 1974-07-06 | 1976-01-20 | Ricoh Kk | Senkorokogataseidenfukushakiniokeru genzohanigenteisochi |
JPS5820032B2 (ja) * | 1974-07-06 | 1983-04-21 | 株式会社リコー | センコウロコウガタセイデンフクシヤキニオケル ゲンゾウハンイゲンテイソウチ |
JPS5172044U (da) * | 1974-12-04 | 1976-06-07 | ||
JPS6143038U (ja) * | 1976-05-14 | 1986-03-20 | ワルタ−・スペングラ− | 印刷機械 |
JPS5755144B2 (da) * | 1976-07-20 | 1982-11-22 | ||
JPS5312334A (en) * | 1976-07-20 | 1978-02-03 | Oki Electric Ind Co Ltd | Light beam printer |
JPS5313425A (en) * | 1976-07-23 | 1978-02-07 | Oki Electric Ind Co Ltd | Optical beam printer |
JPS6051709B2 (ja) * | 1976-07-23 | 1985-11-15 | 沖電気工業株式会社 | 光ビ−ムプリンタ |
JPS5413360U (da) * | 1977-06-30 | 1979-01-27 | ||
JPS5913633Y2 (ja) * | 1977-06-30 | 1984-04-23 | 株式会社リコー | 変倍複写用帯電チャ−ジャ− |
JPS5469438A (en) * | 1977-11-14 | 1979-06-04 | Ricoh Co Ltd | Electrophotographic apparatus |
JPS63787B2 (da) * | 1977-11-14 | 1988-01-08 | Ricoh Kk | |
JPS565098Y2 (da) * | 1977-12-24 | 1981-02-04 | ||
JPS5499631U (da) * | 1977-12-24 | 1979-07-13 | ||
JPS5494038A (en) * | 1978-01-07 | 1979-07-25 | Ricoh Co Ltd | Copier for zerography |
JPS6211347B2 (da) * | 1978-01-07 | 1987-03-12 | Ricoh Kk | |
JPS55127582A (en) * | 1979-03-26 | 1980-10-02 | Ibm | Electrostatic copier |
JPS5793942U (da) * | 1980-11-28 | 1982-06-09 | ||
JPS57105638U (da) * | 1980-12-18 | 1982-06-29 | ||
JPS57160148U (da) * | 1981-04-01 | 1982-10-07 | ||
JPS57163253A (en) * | 1981-04-01 | 1982-10-07 | Sharp Corp | Electrophotographic copier |
JPS57163254A (en) * | 1981-04-01 | 1982-10-07 | Sharp Corp | Electrophotographic copier |
Also Published As
Publication number | Publication date |
---|---|
GB1369776A (en) | 1974-10-09 |
DE2316387C3 (de) | 1975-11-27 |
US3827799A (en) | 1974-08-06 |
DE2316387B2 (de) | 1975-04-17 |
DE2316387A1 (de) | 1973-10-25 |