GB1597583A - Variable magnification copying apparatus - Google Patents
Variable magnification copying apparatus Download PDFInfo
- Publication number
- GB1597583A GB1597583A GB52103/77A GB5210377A GB1597583A GB 1597583 A GB1597583 A GB 1597583A GB 52103/77 A GB52103/77 A GB 52103/77A GB 5210377 A GB5210377 A GB 5210377A GB 1597583 A GB1597583 A GB 1597583A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulley
- original
- magnification
- mirror
- pulleys
- 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
- 230000003287 optical effect Effects 0.000 claims description 49
- 238000006073 displacement reaction Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000008859 change Effects 0.000 description 46
- 230000002093 peripheral effect Effects 0.000 description 17
- 230000007246 mechanism Effects 0.000 description 8
- 230000000994 depressogenic effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
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)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51150216A JPS5820428B2 (ja) | 1976-12-14 | 1976-12-14 | 露光光学系の倍率変換装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1597583A true GB1597583A (en) | 1981-09-09 |
Family
ID=15492063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB52103/77A Expired GB1597583A (en) | 1976-12-14 | 1977-12-14 | Variable magnification copying apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4168905A (enExample) |
| JP (1) | JPS5820428B2 (enExample) |
| DE (1) | DE2755498C2 (enExample) |
| FR (1) | FR2374670A1 (enExample) |
| GB (1) | GB1597583A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2161288A (en) * | 1984-07-06 | 1986-01-08 | Savin Corp | Slit-scanning |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5895366A (ja) * | 1981-11-30 | 1983-06-06 | Mita Ind Co Ltd | 変倍複写可能な静電複写機における光学装置 |
| JPS58143358A (ja) * | 1982-02-19 | 1983-08-25 | Matsushita Electric Ind Co Ltd | 複写機の倍率変換装置 |
| JPS58182627A (ja) * | 1982-04-20 | 1983-10-25 | Mita Ind Co Ltd | 静電複写機 |
| CA1252325A (en) * | 1982-09-21 | 1989-04-11 | John N. Lane | Multiple magnification mode copying apparatus |
| JPS6011829A (ja) * | 1983-06-30 | 1985-01-22 | Matsushita Electric Ind Co Ltd | 複写倍率変換装置 |
| JPS60194438A (ja) * | 1984-03-15 | 1985-10-02 | Sharp Corp | 原稿ドラムを備えた複写機 |
| KR101550374B1 (ko) * | 2013-12-31 | 2015-09-04 | 주식회사 효성 | 고전압 ｄｃ 차단기 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3614222A (en) * | 1970-04-24 | 1971-10-19 | Olivetti & Co Spa | Optical drive system for reproducing machine |
| US3914044A (en) * | 1972-03-29 | 1975-10-21 | Minolta Camera Kk | Surface exposure device for copying apparatus |
| JPS5241860Y2 (enExample) * | 1973-02-27 | 1977-09-22 | ||
| US4073584A (en) * | 1973-09-27 | 1978-02-14 | Canon Kabushiki Kaisha | Slit exposure device for use with a stationary original carriage |
| GB1432479A (en) * | 1973-11-06 | 1976-04-14 | Xerox Corp | Dashpots |
| JPS5616425B2 (enExample) * | 1974-03-23 | 1981-04-16 | ||
| JPS5437084Y2 (enExample) * | 1974-09-06 | 1979-11-07 | ||
| JPS5134731A (en) * | 1974-09-18 | 1976-03-24 | Kojin Kk | Tashokutoeiyogenzu no sakuseiho |
-
1976
- 1976-12-14 JP JP51150216A patent/JPS5820428B2/ja not_active Expired
-
1977
- 1977-12-09 US US05/859,254 patent/US4168905A/en not_active Expired - Lifetime
- 1977-12-13 FR FR7737564A patent/FR2374670A1/fr active Granted
- 1977-12-13 DE DE2755498A patent/DE2755498C2/de not_active Expired
- 1977-12-14 GB GB52103/77A patent/GB1597583A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2161288A (en) * | 1984-07-06 | 1986-01-08 | Savin Corp | Slit-scanning |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2374670B1 (enExample) | 1982-05-28 |
| JPS5374025A (en) | 1978-07-01 |
| US4168905A (en) | 1979-09-25 |
| DE2755498C2 (de) | 1986-06-19 |
| FR2374670A1 (fr) | 1978-07-13 |
| JPS5820428B2 (ja) | 1983-04-22 |
| DE2755498A1 (de) | 1978-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19971213 |