FR2590378B1 - Systeme de detection de l'intensite de l'exposition pour un duplicateur - Google Patents
Systeme de detection de l'intensite de l'exposition pour un duplicateurInfo
- Publication number
- FR2590378B1 FR2590378B1 FR858516942A FR8516942A FR2590378B1 FR 2590378 B1 FR2590378 B1 FR 2590378B1 FR 858516942 A FR858516942 A FR 858516942A FR 8516942 A FR8516942 A FR 8516942A FR 2590378 B1 FR2590378 B1 FR 2590378B1
- Authority
- FR
- France
- Prior art keywords
- duplicator
- detection system
- intensity detection
- exposure intensity
- exposure
- 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
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
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5025—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the original characteristics, e.g. contrast, density
-
- 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
- G03G15/043—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 controlling illumination or exposure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/797,480 US4653904A (en) | 1985-11-13 | 1985-11-13 | Exposure intensity detecting system for copying machine |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2590378A1 FR2590378A1 (fr) | 1987-05-22 |
FR2590378B1 true FR2590378B1 (fr) | 1989-06-16 |
Family
ID=25170952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR858516942A Expired FR2590378B1 (fr) | 1985-11-13 | 1985-11-15 | Systeme de detection de l'intensite de l'exposition pour un duplicateur |
Country Status (4)
Country | Link |
---|---|
US (1) | US4653904A (fr) |
DE (1) | DE3540614A1 (fr) |
FR (1) | FR2590378B1 (fr) |
GB (1) | GB2182781B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4751377A (en) * | 1985-12-27 | 1988-06-14 | Fuji Photo Film Co., Ltd. | Light beam scanning recording apparatus and method of correcting intensity of image to be recorded thereby |
JPS63138540U (fr) * | 1987-03-03 | 1988-09-12 | ||
JP2515832B2 (ja) * | 1987-12-28 | 1996-07-10 | シャープ株式会社 | カラ―複写機 |
US5008709A (en) * | 1988-06-07 | 1991-04-16 | Ricoh Company, Ltd. | Document recycling copier for copying documents of varying sizes |
JPH02103030A (ja) * | 1988-10-12 | 1990-04-16 | Toshiba Corp | 露光装置 |
US5060283A (en) * | 1989-04-20 | 1991-10-22 | Fuji Photo Film Co. , Ltd. | Method and system for reading images with a movable light intercepting plate |
US5283698A (en) * | 1991-04-08 | 1994-02-01 | Canon Kabushiki Kaisha | Image reading apparatus |
JP3903091B2 (ja) * | 1997-06-30 | 2007-04-11 | 富士フイルム株式会社 | 画像読取装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1426097A (en) * | 1973-05-23 | 1976-02-25 | Xerox Corp | Reflective platen cover |
JPS55137548A (en) * | 1979-04-13 | 1980-10-27 | Canon Inc | Method and apparatus for image formation |
JPS6051105B2 (ja) * | 1979-12-24 | 1985-11-12 | 株式会社東芝 | 自動画質制御複写機 |
JPS56110961A (en) * | 1980-02-07 | 1981-09-02 | Toshiba Corp | Exposure device of electrophotographic copier |
JPS56156841A (en) * | 1980-05-09 | 1981-12-03 | Toshiba Corp | Electronic copying machine |
US4413903A (en) * | 1982-03-15 | 1983-11-08 | Xerox Corporation | Document illumination system |
JPS59100429A (ja) * | 1982-11-30 | 1984-06-09 | Mita Ind Co Ltd | 露光用移動体の駆動装置 |
JPS6098466A (ja) * | 1983-11-02 | 1985-06-01 | Sharp Corp | 電子写真複写機 |
JPS60184241A (ja) * | 1984-03-02 | 1985-09-19 | Sharp Corp | 複写機 |
JPS60186828A (ja) * | 1984-03-06 | 1985-09-24 | Fuji Xerox Co Ltd | 複写機の露光ランプ制御装置 |
JPS60244942A (ja) * | 1984-05-21 | 1985-12-04 | Sharp Corp | 自動露光調整装置 |
-
1985
- 1985-11-11 GB GB8527751A patent/GB2182781B/en not_active Expired
- 1985-11-13 US US06/797,480 patent/US4653904A/en not_active Expired - Lifetime
- 1985-11-15 DE DE19853540614 patent/DE3540614A1/de not_active Ceased
- 1985-11-15 FR FR858516942A patent/FR2590378B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2590378A1 (fr) | 1987-05-22 |
GB2182781A (en) | 1987-05-20 |
GB2182781B (en) | 1989-10-25 |
DE3540614A1 (de) | 1987-05-21 |
GB8527751D0 (en) | 1985-12-18 |
US4653904A (en) | 1987-03-31 |
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