IT1061775B - Apparecchio di fotocopiatura - Google Patents
Apparecchio di fotocopiaturaInfo
- Publication number
- IT1061775B IT1061775B IT50139/76A IT5013976A IT1061775B IT 1061775 B IT1061775 B IT 1061775B IT 50139/76 A IT50139/76 A IT 50139/76A IT 5013976 A IT5013976 A IT 5013976A IT 1061775 B IT1061775 B IT 1061775B
- Authority
- IT
- Italy
- Prior art keywords
- copying equipment
- copying
- equipment
- Prior art date
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
- G03G15/043—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
- G03G15/0435—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 by introducing an optical element in the optical path, e.g. a filter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752528925 DE2528925A1 (de) | 1975-06-28 | 1975-06-28 | Fotokopiergeraet |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1061775B true IT1061775B (it) | 1983-04-30 |
Family
ID=5950178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50139/76A IT1061775B (it) | 1975-06-28 | 1976-06-25 | Apparecchio di fotocopiatura |
Country Status (4)
Country | Link |
---|---|
US (1) | US4113373A (it) |
DE (1) | DE2528925A1 (it) |
FR (1) | FR2315711A1 (it) |
IT (1) | IT1061775B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1085310B (it) * | 1977-02-02 | 1985-05-28 | Grafosol Spa | Dispositivo di illuminazione e regolazione della quantita' di luce,per macchine per la preparazione di matrici da stampa per via elettrostatica |
DE3020258C2 (de) * | 1979-05-29 | 1986-09-18 | Canon K.K., Tokio/Tokyo | Vorrichtung zum Kopieren oder Lesen von Vorlagen |
US4355891A (en) * | 1980-03-06 | 1982-10-26 | Xerox Corporation | Reduction of lamp strobing effects in a reproducing apparatus |
US4336995A (en) * | 1980-09-24 | 1982-06-29 | Xerox Corporation | Precession scanning system for copier device |
JPS57154265A (en) * | 1981-03-18 | 1982-09-24 | Canon Inc | Correcting device for unevenness of exposure |
DE3303283A1 (de) * | 1982-02-01 | 1983-08-11 | Ricoh Co., Ltd., Tokyo | Bildbelichtungssystem |
US4407581A (en) * | 1982-05-17 | 1983-10-04 | Xerox Corporation | Compact optical scanning system |
US4763134A (en) * | 1985-08-29 | 1988-08-09 | Konishiroku Photo Industry Co. | Laser recording apparatus having variable recording magnification and beam intensity control |
US4800414A (en) * | 1986-03-03 | 1989-01-24 | Minolta Camera Kabushiki Kaisha | Magnification varying device for electro-photographic copying machine |
JPS6370272A (ja) * | 1986-09-11 | 1988-03-30 | Fuji Photo Film Co Ltd | 電子写真装置用フイルム押圧手段 |
JPH07181784A (ja) * | 1993-12-22 | 1995-07-21 | Minolta Co Ltd | 露光量制御方法およびその装置 |
JP3437420B2 (ja) * | 1997-09-11 | 2003-08-18 | キヤノン株式会社 | 画像読取装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3438704A (en) * | 1966-10-11 | 1969-04-15 | Xerox Corp | Illumination control system |
JPS4821842Y1 (it) * | 1969-05-10 | 1973-06-26 | ||
US3724940A (en) * | 1970-12-07 | 1973-04-03 | Ricoh Kk | Electrophotographic copying apparatus with means for erasing marginal images |
DE2149404B2 (de) * | 1971-10-04 | 1976-09-30 | Hoechst Ag, 6000 Frankfurt | Belichtungseinrichtung fuer elektrophotographische reproduktionsgeraete |
US3724942A (en) * | 1972-04-12 | 1973-04-03 | Ibm | Photoconductor discharge shutter assembly |
-
1975
- 1975-06-28 DE DE19752528925 patent/DE2528925A1/de active Pending
-
1976
- 1976-06-21 FR FR7618808A patent/FR2315711A1/fr active Granted
- 1976-06-24 US US05/699,341 patent/US4113373A/en not_active Expired - Lifetime
- 1976-06-25 IT IT50139/76A patent/IT1061775B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2315711A1 (fr) | 1977-01-21 |
FR2315711B3 (it) | 1979-03-09 |
DE2528925A1 (de) | 1977-01-13 |
US4113373A (en) | 1978-09-12 |
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