IT1185003B - Sistema ottico di scansione per una copiatrice ad ingrandimento variabile - Google Patents
Sistema ottico di scansione per una copiatrice ad ingrandimento variabileInfo
- Publication number
- IT1185003B IT1185003B IT20764/85A IT2076485A IT1185003B IT 1185003 B IT1185003 B IT 1185003B IT 20764/85 A IT20764/85 A IT 20764/85A IT 2076485 A IT2076485 A IT 2076485A IT 1185003 B IT1185003 B IT 1185003B
- Authority
- IT
- Italy
- Prior art keywords
- copier
- optical scanning
- scanning system
- variable magnifying
- magnifying
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/522—Projection optics
- G03B27/525—Projection optics for slit exposure
- G03B27/526—Projection optics for slit exposure in which the projection optics move
-
- 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
- G03G15/041—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 variable magnification
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/628,239 US4629310A (en) | 1984-07-06 | 1984-07-06 | Optical scanning system for variable-magnification copier |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8520764A0 IT8520764A0 (it) | 1985-05-17 |
IT1185003B true IT1185003B (it) | 1987-10-28 |
Family
ID=24518067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20764/85A IT1185003B (it) | 1984-07-06 | 1985-05-17 | Sistema ottico di scansione per una copiatrice ad ingrandimento variabile |
Country Status (8)
Country | Link |
---|---|
US (1) | US4629310A (it) |
JP (2) | JPH0799425B2 (it) |
CA (1) | CA1232936A (it) |
CH (1) | CH664634A5 (it) |
DE (1) | DE3523445A1 (it) |
FR (1) | FR2567286B1 (it) |
GB (1) | GB2161288B (it) |
IT (1) | IT1185003B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62147164A (ja) * | 1985-12-20 | 1987-07-01 | Canon Inc | 走査装置 |
US4796059A (en) * | 1987-01-28 | 1989-01-03 | Konica Corporation | Image forming apparatus with magnification changing device |
DE3703217A1 (de) * | 1987-01-30 | 1988-08-11 | Siemens Ag | Optische abtasteinrichtung |
JPH01209460A (ja) * | 1988-02-18 | 1989-08-23 | Toshiba Corp | 画像形成装置における光学装置 |
US5325155A (en) * | 1993-05-06 | 1994-06-28 | Eastman Kodak Company | Controlling the speed of an image-bearing member using relative states |
JPH09325580A (ja) * | 1996-06-07 | 1997-12-16 | Minolta Co Ltd | 画像読取装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2405017A (en) * | 1938-08-18 | 1946-07-30 | Ford Instr Co Inc | Damping mechanism |
US3743274A (en) * | 1967-12-31 | 1973-07-03 | Canon Camera Co | Drive mechanism for copying machine |
US3632203A (en) * | 1969-10-31 | 1972-01-04 | Addressograph Multigraph | Optical scanner |
US3998540A (en) * | 1975-11-24 | 1976-12-21 | Xerox Corporation | Repositioning system for viewing and projection elements of a reproducing apparatus |
US4047444A (en) * | 1976-09-10 | 1977-09-13 | Borg-Warner Corporation | Synchronous belt and pulley drive |
JPS5820428B2 (ja) * | 1976-12-14 | 1983-04-22 | キヤノン株式会社 | 露光光学系の倍率変換装置 |
JPS5822730B2 (ja) * | 1977-01-11 | 1983-05-11 | キヤノン株式会社 | 原稿走査装置 |
US4355883A (en) * | 1979-10-15 | 1982-10-26 | Savin Corporation | Photocopier scanning apparatus |
US4332461A (en) * | 1979-12-06 | 1982-06-01 | Ibm Corporation | Electrical drive for scanning optics in a continuously variable reduction copier |
DE3038494A1 (de) * | 1980-10-11 | 1982-05-19 | Canon K.K., Tokyo | Verfahren und vorrichtung zum zeilenweisen abtasten einer vorlage in einem projektionskopiergeraet |
JPS57157269A (en) * | 1981-03-24 | 1982-09-28 | Fuji Xerox Co Ltd | Driving device for original placing plate |
JPS57178272A (en) * | 1981-04-25 | 1982-11-02 | Konishiroku Photo Ind Co Ltd | Slit exposure optical device in copying machine |
JPS587667A (ja) * | 1981-07-08 | 1983-01-17 | Fuji Xerox Co Ltd | 任意倍率拡大複写装置 |
JPS5886571A (ja) * | 1981-11-18 | 1983-05-24 | Canon Inc | 可変倍複写装置 |
JPS5891754U (ja) * | 1981-12-14 | 1983-06-21 | 株式会社リコー | 移動光学系の衝撃吸収装置 |
JPS58193537A (ja) * | 1982-05-07 | 1983-11-11 | Fuji Xerox Co Ltd | 複写機の走査駆動機構 |
JPS597941A (ja) * | 1982-07-07 | 1984-01-17 | Canon Inc | 原稿走査装置 |
JPS5958426A (ja) * | 1982-09-29 | 1984-04-04 | Matsushita Electric Ind Co Ltd | 複写機 |
US4500197A (en) * | 1983-04-01 | 1985-02-19 | Pitney Bowes Inc. | Transport means for flat bed scanner |
-
1984
- 1984-07-06 US US06/628,239 patent/US4629310A/en not_active Expired - Lifetime
-
1985
- 1985-05-03 GB GB08511360A patent/GB2161288B/en not_active Expired
- 1985-05-13 CA CA000481392A patent/CA1232936A/en not_active Expired
- 1985-05-17 IT IT20764/85A patent/IT1185003B/it active
- 1985-06-11 CH CH2465/85A patent/CH664634A5/fr not_active IP Right Cessation
- 1985-06-14 FR FR858509101A patent/FR2567286B1/fr not_active Expired - Fee Related
- 1985-06-29 DE DE19853523445 patent/DE3523445A1/de not_active Withdrawn
- 1985-07-05 JP JP60146868A patent/JPH0799425B2/ja not_active Expired - Lifetime
-
1995
- 1995-03-30 JP JP7095824A patent/JP2587397B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1232936A (en) | 1988-02-16 |
CH664634A5 (fr) | 1988-03-15 |
GB2161288B (en) | 1988-09-14 |
FR2567286B1 (fr) | 1990-08-10 |
JP2587397B2 (ja) | 1997-03-05 |
JPH0799425B2 (ja) | 1995-10-25 |
GB2161288A (en) | 1986-01-08 |
IT8520764A0 (it) | 1985-05-17 |
FR2567286A1 (fr) | 1986-01-10 |
JPS6132047A (ja) | 1986-02-14 |
GB8511360D0 (en) | 1985-06-12 |
US4629310A (en) | 1986-12-16 |
JPH0882867A (ja) | 1996-03-26 |
DE3523445A1 (de) | 1986-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970530 |