CA967796A - Optical system featuring change in magnification by combined lens and mirror motion - Google Patents
Optical system featuring change in magnification by combined lens and mirror motionInfo
- Publication number
- CA967796A CA967796A CA126,620A CA126620A CA967796A CA 967796 A CA967796 A CA 967796A CA 126620 A CA126620 A CA 126620A CA 967796 A CA967796 A CA 967796A
- Authority
- CA
- Canada
- Prior art keywords
- magnification
- change
- optical system
- combined lens
- system featuring
- 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
- G03G15/04—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8750870A | 1970-11-06 | 1970-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA967796A true CA967796A (en) | 1975-05-20 |
Family
ID=22205608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA126,620A Expired CA967796A (en) | 1970-11-06 | 1971-11-02 | Optical system featuring change in magnification by combined lens and mirror motion |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS541178B1 (en) |
AU (1) | AU462019B2 (en) |
BE (1) | BE774410A (en) |
CA (1) | CA967796A (en) |
CH (1) | CH530661A (en) |
DE (1) | DE2154944A1 (en) |
ES (1) | ES396573A1 (en) |
FR (1) | FR2116380B1 (en) |
GB (1) | GB1336819A (en) |
NL (1) | NL7113050A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4105327A (en) * | 1976-12-09 | 1978-08-08 | International Business Machines Corporation | Multiple reduction indicators for continuously variable reduction copier machines |
US4120578A (en) * | 1976-09-07 | 1978-10-17 | International Business Machines Corporation | Continuously variable reduction scanning optics drive |
US4171904A (en) * | 1977-01-25 | 1979-10-23 | Ricoh Co., Ltd. | Image forming device of copying apparatus of the variable duplicate size type |
US4209248A (en) * | 1976-09-07 | 1980-06-24 | International Business Machines Corporation | Continuously variable reduction copier optics systems |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3778147A (en) * | 1972-07-11 | 1973-12-11 | Xerox Corp | Electrostatic reproduction machine having selectable magnification ratios |
US3897148A (en) * | 1973-11-29 | 1975-07-29 | Ibm | Optical scanning system |
JPS6014345B2 (en) * | 1974-12-25 | 1985-04-12 | 株式会社リコー | Variable magnification slit exposure method in electronic copying machine |
GB1490755A (en) * | 1975-03-10 | 1977-11-02 | Seib M | Optical viewing apparatus |
US4013361A (en) * | 1975-06-20 | 1977-03-22 | Xerox Corporation | Optical apparatus and reproducing machine |
JPS5949574B2 (en) * | 1975-10-30 | 1984-12-04 | ゼロツクス、コ−ポレ−シヨン | Copy machine |
CA1126800A (en) * | 1978-11-09 | 1982-06-29 | Benzion Landa | Rotatable focusing means for variable magnification electrophotographic copier |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1198539A (en) * | 1968-12-09 | 1970-07-15 | Tokyo Shibaura Electric Co | Photocopying Apparatus. |
JPS4821892B1 (en) * | 1969-02-28 | 1973-07-02 |
-
1971
- 1971-09-22 JP JP7350571A patent/JPS541178B1/ja active Pending
- 1971-09-23 NL NL7113050A patent/NL7113050A/xx active Search and Examination
- 1971-09-24 GB GB4457871A patent/GB1336819A/en not_active Expired
- 1971-10-12 FR FR7137749A patent/FR2116380B1/fr not_active Expired
- 1971-10-25 BE BE774410A patent/BE774410A/en not_active IP Right Cessation
- 1971-10-28 CH CH1576071A patent/CH530661A/en not_active IP Right Cessation
- 1971-11-02 AU AU35279/71A patent/AU462019B2/en not_active Expired
- 1971-11-02 ES ES396573A patent/ES396573A1/en not_active Expired
- 1971-11-02 CA CA126,620A patent/CA967796A/en not_active Expired
- 1971-11-05 DE DE19712154944 patent/DE2154944A1/en not_active Ceased
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4120578A (en) * | 1976-09-07 | 1978-10-17 | International Business Machines Corporation | Continuously variable reduction scanning optics drive |
US4209248A (en) * | 1976-09-07 | 1980-06-24 | International Business Machines Corporation | Continuously variable reduction copier optics systems |
US4105327A (en) * | 1976-12-09 | 1978-08-08 | International Business Machines Corporation | Multiple reduction indicators for continuously variable reduction copier machines |
US4171904A (en) * | 1977-01-25 | 1979-10-23 | Ricoh Co., Ltd. | Image forming device of copying apparatus of the variable duplicate size type |
Also Published As
Publication number | Publication date |
---|---|
BE774410A (en) | 1972-02-14 |
AU3527971A (en) | 1973-05-10 |
AU462019B2 (en) | 1975-06-12 |
FR2116380B1 (en) | 1974-05-31 |
DE2154944A1 (en) | 1972-05-18 |
ES396573A1 (en) | 1974-05-16 |
NL7113050A (en) | 1972-05-09 |
CH530661A (en) | 1972-11-15 |
FR2116380A1 (en) | 1972-07-13 |
JPS541178B1 (en) | 1979-01-22 |
GB1336819A (en) | 1973-11-14 |
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