AU7891981A - Multiple magnification optical assembly - Google Patents
Multiple magnification optical assemblyInfo
- Publication number
- AU7891981A AU7891981A AU78919/81A AU7891981A AU7891981A AU 7891981 A AU7891981 A AU 7891981A AU 78919/81 A AU78919/81 A AU 78919/81A AU 7891981 A AU7891981 A AU 7891981A AU 7891981 A AU7891981 A AU 7891981A
- Authority
- AU
- Australia
- Prior art keywords
- optical assembly
- magnification optical
- multiple magnification
- assembly
- 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
- 230000003287 optical Effects 0.000 title 1
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/218,846 US4338022A (en) | 1980-12-22 | 1980-12-22 | Multiple magnification optical assembly |
US218846 | 1980-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU7891981A true AU7891981A (en) | 1982-08-30 |
AU542914B2 AU542914B2 (en) | 1985-03-21 |
Family
ID=22816735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU78919/81A Ceased AU542914B2 (en) | 1980-12-22 | 1981-11-09 | Multiple magnification optical assembly |
Country Status (8)
Country | Link |
---|---|
US (1) | US4338022A (en) |
EP (1) | EP0068000A4 (en) |
JP (1) | JPS57502138A (en) |
AU (1) | AU542914B2 (en) |
BR (1) | BR8108931A (en) |
CA (1) | CA1151917A (en) |
IT (1) | IT1145472B (en) |
WO (1) | WO1982002256A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57148768A (en) * | 1981-03-12 | 1982-09-14 | Konishiroku Photo Ind Co Ltd | Optical scan unit driver of electrophotographic copier |
US5585937A (en) * | 1993-04-21 | 1996-12-17 | Mitsubishi Denki Kabushiki Kaisha | Image reading device for percisely moving optical components to provide relatively reduced and magnified images |
WO2017075231A2 (en) | 2015-10-30 | 2017-05-04 | Seurat Technologies, Inc. | Multi-functional ingester system for additive manufacturing |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3535037A (en) * | 1967-09-29 | 1970-10-20 | Ricoh Kk | Variable magnification exposure device for a reproduction apparatus |
US3543289A (en) * | 1967-09-29 | 1970-11-24 | Ricoh Kk | Variable magnification exposure device for a reproduction apparatus |
JPS536527B2 (en) * | 1971-12-07 | 1978-03-09 | ||
US4029409A (en) * | 1975-06-20 | 1977-06-14 | Xerox Corporation | Multi-mode optical scanning system |
US4110028A (en) * | 1975-08-04 | 1978-08-29 | Xerox Corporation | Drive system for multi-mode reproducing apparatus |
JPS5220837A (en) * | 1975-08-09 | 1977-02-17 | Ricoh Co Ltd | Variable multiplication type electrophotographic copying machine |
US4118118A (en) * | 1976-05-07 | 1978-10-03 | Universal Photocopy, Inc. | Electrostatic copier machine with selectable magnification ratios |
DE2626917C3 (en) * | 1976-06-16 | 1980-11-20 | Canon K.K., Tokio | Photocopier |
US4084897A (en) * | 1976-12-27 | 1978-04-18 | International Business Machines Corporation | Half-lens/mirror copier providing original-to-copy image reduction |
DE2735679A1 (en) * | 1977-08-08 | 1979-02-15 | Canon Kk | Photocopier with enlarging facility - swings mirrors and lens assemblies into optical path to alter degree of enlargement or reduction |
US4232960A (en) * | 1979-02-21 | 1980-11-11 | Xerox Corporation | Scanning system |
-
1980
- 1980-12-22 US US06/218,846 patent/US4338022A/en not_active Expired - Fee Related
-
1981
- 1981-11-09 JP JP56503721A patent/JPS57502138A/ja active Pending
- 1981-11-09 AU AU78919/81A patent/AU542914B2/en not_active Ceased
- 1981-11-09 EP EP19810903183 patent/EP0068000A4/en not_active Ceased
- 1981-11-09 WO PCT/US1981/001505 patent/WO1982002256A1/en not_active Application Discontinuation
- 1981-11-09 BR BR8108931A patent/BR8108931A/en unknown
- 1981-11-13 CA CA000390053A patent/CA1151917A/en not_active Expired
- 1981-12-21 IT IT49969/81A patent/IT1145472B/en active
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