JPS5722259A - Multiple magnification mode optical device - Google Patents
Multiple magnification mode optical deviceInfo
- Publication number
- JPS5722259A JPS5722259A JP7996281A JP7996281A JPS5722259A JP S5722259 A JPS5722259 A JP S5722259A JP 7996281 A JP7996281 A JP 7996281A JP 7996281 A JP7996281 A JP 7996281A JP S5722259 A JPS5722259 A JP S5722259A
- Authority
- JP
- Japan
- Prior art keywords
- optical device
- mode optical
- magnification mode
- multiple magnification
- optical
- 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.)
- Granted
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
- G03G15/041—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)
- General Physics & Mathematics (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/155,705 US4353643A (en) | 1980-06-02 | 1980-06-02 | Multimagnification mode optical system with rotating and translating lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5722259A true JPS5722259A (en) | 1982-02-05 |
JPH057714B2 JPH057714B2 (ja) | 1993-01-29 |
Family
ID=22556467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7996281A Granted JPS5722259A (en) | 1980-06-02 | 1981-05-26 | Multiple magnification mode optical device |
Country Status (3)
Country | Link |
---|---|
US (1) | US4353643A (ja) |
JP (1) | JPS5722259A (ja) |
CA (1) | CA1160083A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0097776A2 (en) * | 1982-06-28 | 1984-01-11 | International Business Machines Corporation | Means for positioning optical components for a variable magnification/reduction copier optics system |
JPS5918941A (ja) * | 1982-07-23 | 1984-01-31 | Mita Ind Co Ltd | 変倍複写可能な静電複写機における光学装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57133447A (en) * | 1981-02-12 | 1982-08-18 | Canon Inc | Variable magnification optical device |
JPS57178272A (en) * | 1981-04-25 | 1982-11-02 | Konishiroku Photo Ind Co Ltd | Slit exposure optical device in copying machine |
JPS57191654A (en) * | 1981-05-21 | 1982-11-25 | Canon Inc | Picture recorder |
US4639121A (en) * | 1985-06-24 | 1987-01-27 | Xerox Corporation | Document registration system |
US4710017A (en) * | 1985-06-27 | 1987-12-01 | Mita Industrial Co., Ltd. | Optical unit holding device for copying machines |
US4862218A (en) * | 1986-09-30 | 1989-08-29 | Mita Industrial Co., Ltd. | Support and adjusting apparatus for an optical unit |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS525529A (en) * | 1975-06-27 | 1977-01-17 | Xerox Corp | Duplicator of variable multiplieication factor |
JPS54115242A (en) * | 1978-02-28 | 1979-09-07 | Ricoh Co Ltd | Variable power device of copying machines |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3286587A (en) * | 1962-04-02 | 1966-11-22 | Eastman Kodak Co | Photographic copying apparatus |
US3614222A (en) * | 1970-04-24 | 1971-10-19 | Olivetti & Co Spa | Optical drive system for reproducing machine |
JPS5241860Y2 (ja) * | 1973-02-27 | 1977-09-22 | ||
JPS5626026B2 (ja) * | 1973-12-28 | 1981-06-16 | ||
US4013361A (en) * | 1975-06-20 | 1977-03-22 | Xerox Corporation | Optical apparatus and reproducing machine |
US4053221A (en) * | 1975-10-14 | 1977-10-11 | Xerox Corporation | Multi-mode reproducing apparatus |
US4118118A (en) * | 1976-05-07 | 1978-10-03 | Universal Photocopy, Inc. | Electrostatic copier machine with selectable magnification ratios |
US4120578A (en) * | 1976-09-07 | 1978-10-17 | International Business Machines Corporation | Continuously variable reduction scanning optics drive |
US4135812A (en) * | 1977-06-20 | 1979-01-23 | Xerox Corporation | Magnification change mechanism |
US4142793A (en) * | 1977-12-09 | 1979-03-06 | Minnesota Mining And Manufacturing Company | Variable speed drive apparatus for the scanning system of a copy machine |
-
1980
- 1980-06-02 US US06/155,705 patent/US4353643A/en not_active Expired - Lifetime
-
1981
- 1981-05-13 CA CA000377504A patent/CA1160083A/en not_active Expired
- 1981-05-26 JP JP7996281A patent/JPS5722259A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS525529A (en) * | 1975-06-27 | 1977-01-17 | Xerox Corp | Duplicator of variable multiplieication factor |
JPS54115242A (en) * | 1978-02-28 | 1979-09-07 | Ricoh Co Ltd | Variable power device of copying machines |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0097776A2 (en) * | 1982-06-28 | 1984-01-11 | International Business Machines Corporation | Means for positioning optical components for a variable magnification/reduction copier optics system |
EP0097776A3 (en) * | 1982-06-28 | 1986-12-30 | International Business Machines Corporation | Means for positioning optical components for a variable magnification/reduction copier optics system |
JPS5918941A (ja) * | 1982-07-23 | 1984-01-31 | Mita Ind Co Ltd | 変倍複写可能な静電複写機における光学装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH057714B2 (ja) | 1993-01-29 |
CA1160083A (en) | 1984-01-10 |
US4353643A (en) | 1982-10-12 |
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