DE3882073T2 - Bilderzeugungsgerät mit Mitteln zur Leerbelichtung. - Google Patents
Bilderzeugungsgerät mit Mitteln zur Leerbelichtung.Info
- Publication number
- DE3882073T2 DE3882073T2 DE88106223T DE3882073T DE3882073T2 DE 3882073 T2 DE3882073 T2 DE 3882073T2 DE 88106223 T DE88106223 T DE 88106223T DE 3882073 T DE3882073 T DE 3882073T DE 3882073 T2 DE3882073 T2 DE 3882073T2
- Authority
- DE
- Germany
- Prior art keywords
- imaging device
- empty exposure
- empty
- exposure
- imaging
- 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 - Fee Related
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
- 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)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9954187 | 1987-04-22 | ||
JP13092287 | 1987-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3882073D1 DE3882073D1 (de) | 1993-08-05 |
DE3882073T2 true DE3882073T2 (de) | 1993-10-21 |
Family
ID=26440671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88106223T Expired - Fee Related DE3882073T2 (de) | 1987-04-22 | 1988-04-19 | Bilderzeugungsgerät mit Mitteln zur Leerbelichtung. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5666610A (de) |
EP (1) | EP0288005B1 (de) |
DE (1) | DE3882073T2 (de) |
IT (1) | IT1219547B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5914208A (en) * | 1997-03-21 | 1999-06-22 | Mita Industrial Co., Ltd. | Electrophotographic photosensitive material |
US8560918B1 (en) | 2009-04-21 | 2013-10-15 | Marvell International Ltd. | Method and apparatus for dynamically selecting an error correction code to be applied to data in a communication system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1535398A (en) * | 1975-06-13 | 1978-12-13 | Tokyo Shibaura Electric Co | Electrostatic copying apparatus |
JPS54642A (en) * | 1977-11-17 | 1979-01-06 | Ricoh Co Ltd | Copying apparatus for zerography |
US4333130A (en) * | 1980-02-28 | 1982-06-01 | Canon Kabushiki Kaisha | Slit illuminating device |
JPS5726870A (en) * | 1980-07-23 | 1982-02-13 | Canon Inc | Electrophotographic device |
JPS5753760A (en) * | 1980-09-17 | 1982-03-30 | Canon Inc | Copying device |
JPS5816251A (ja) * | 1981-07-22 | 1983-01-29 | Fuji Xerox Co Ltd | 電子複写機の不要像消去装置 |
JPS6035666B2 (ja) * | 1981-09-26 | 1985-08-15 | キヤノン株式会社 | 電子写真装置 |
JPS58196555A (ja) * | 1982-05-12 | 1983-11-16 | Canon Inc | 画像形成装置 |
DE3442028A1 (de) * | 1983-11-17 | 1985-05-30 | Canon K.K., Tokio/Tokyo | Geraet zur erzeugung von abbildungen von positiv- und negativ-originalen |
US4894682A (en) * | 1986-09-30 | 1990-01-16 | Canon Kabushiki Kaisha | Variable magnification copying apparatus |
-
1988
- 1988-04-19 EP EP88106223A patent/EP0288005B1/de not_active Expired - Lifetime
- 1988-04-19 DE DE88106223T patent/DE3882073T2/de not_active Expired - Fee Related
- 1988-04-21 IT IT47878/88A patent/IT1219547B/it active
-
1994
- 1994-02-28 US US08/203,500 patent/US5666610A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT1219547B (it) | 1990-05-18 |
EP0288005B1 (de) | 1993-06-30 |
US5666610A (en) | 1997-09-09 |
EP0288005A3 (en) | 1988-12-14 |
IT8847878A0 (it) | 1988-04-21 |
DE3882073D1 (de) | 1993-08-05 |
EP0288005A2 (de) | 1988-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |