FR2333276B1 - - Google Patents
Info
- Publication number
- FR2333276B1 FR2333276B1 FR7634590A FR7634590A FR2333276B1 FR 2333276 B1 FR2333276 B1 FR 2333276B1 FR 7634590 A FR7634590 A FR 7634590A FR 7634590 A FR7634590 A FR 7634590A FR 2333276 B1 FR2333276 B1 FR 2333276B1
- Authority
- FR
- France
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752553666 DE2553666A1 (de) | 1975-11-28 | 1975-11-28 | Optisches kopiergeraet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2333276A1 FR2333276A1 (fr) | 1977-06-24 |
| FR2333276B1 true FR2333276B1 (enExample) | 1980-08-22 |
Family
ID=5962982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7634590A Granted FR2333276A1 (fr) | 1975-11-28 | 1976-11-17 | Appareil de reprographie optique |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4090788A (enExample) |
| JP (1) | JPS5267320A (enExample) |
| CA (1) | CA1099553A (enExample) |
| CH (1) | CH611050A5 (enExample) |
| DE (1) | DE2553666A1 (enExample) |
| FR (1) | FR2333276A1 (enExample) |
| GB (1) | GB1567640A (enExample) |
| HK (1) | HK69780A (enExample) |
| IT (1) | IT1073841B (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5418230U (enExample) * | 1977-07-07 | 1979-02-06 | ||
| US4226527A (en) * | 1979-08-03 | 1980-10-07 | Xerox Corporation | Anti-strobing filters |
| US4260249A (en) * | 1979-09-17 | 1981-04-07 | International Business Machines | Two slit illumination aperture |
| US4305650A (en) * | 1979-11-15 | 1981-12-15 | Xerox Corporation | Illumination system |
| US4396280A (en) * | 1980-01-14 | 1983-08-02 | Parsons James C | Photographic reproportioning machine and radius attachment therefor |
| US4355891A (en) * | 1980-03-06 | 1982-10-26 | Xerox Corporation | Reduction of lamp strobing effects in a reproducing apparatus |
| US4495422A (en) * | 1981-11-27 | 1985-01-22 | Xerox Corporation | Illumination control for raster input scanners |
| JPS5971342U (ja) * | 1982-11-04 | 1984-05-15 | シャープ株式会社 | 光量調整装置 |
| JPS61193156A (ja) * | 1985-02-22 | 1986-08-27 | Oak Seisakusho:Kk | 露光装置と露光操作方法 |
| US4881091A (en) * | 1989-03-06 | 1989-11-14 | Polaroid Corporation | Data card illumination arrangement |
| US4939544A (en) * | 1989-11-01 | 1990-07-03 | Eastman Kodak Company | Mask for radiation emitting panel |
| JP2557267B2 (ja) * | 1989-12-15 | 1996-11-27 | 株式会社トプコン | 複写機の光量調整装置 |
| US5521681A (en) * | 1994-04-15 | 1996-05-28 | Mita Industrial Co., Ltd. | Image forming apparatus |
| US5634180A (en) * | 1995-05-04 | 1997-05-27 | Steven Bruce Michlin | Method for blocking unwanted light from a photoreceptor drum |
| JP2004252411A (ja) * | 2003-01-27 | 2004-09-09 | Ricoh Co Ltd | 画像読み取り装置及びこれに使用する円筒状ランプ |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2120727A1 (de) * | 1971-04-27 | 1972-11-09 | Agfa-Gevaert Ag, 5090 Leverkusen | Beleuchtungseinrichtung, insbesondere für ein Mikrofilmaufnahmegerät |
| GB1436899A (en) * | 1973-05-23 | 1976-05-26 | Xerox Corp | Document copying apparatus |
| JPS5744350Y2 (enExample) * | 1973-11-07 | 1982-09-30 | ||
| US3961847A (en) * | 1975-03-06 | 1976-06-08 | Xerox Corporation | Arcuate screen for an electrophotographic printing machine |
| US3998539A (en) * | 1975-03-10 | 1976-12-21 | Xerox Corporation | Illumination system |
-
1975
- 1975-11-28 DE DE19752553666 patent/DE2553666A1/de not_active Withdrawn
-
1976
- 1976-11-08 CA CA265,175A patent/CA1099553A/en not_active Expired
- 1976-11-10 US US05/740,370 patent/US4090788A/en not_active Expired - Lifetime
- 1976-11-17 FR FR7634590A patent/FR2333276A1/fr active Granted
- 1976-11-22 IT IT52289/76A patent/IT1073841B/it active
- 1976-11-22 CH CH1467676A patent/CH611050A5/xx not_active IP Right Cessation
- 1976-11-26 GB GB49427/76A patent/GB1567640A/en not_active Expired
- 1976-11-26 JP JP51141350A patent/JPS5267320A/ja active Granted
-
1980
- 1980-12-11 HK HK697/80A patent/HK69780A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH611050A5 (enExample) | 1979-05-15 |
| JPS5267320A (en) | 1977-06-03 |
| GB1567640A (en) | 1980-05-21 |
| JPS563537B2 (enExample) | 1981-01-26 |
| US4090788A (en) | 1978-05-23 |
| IT1073841B (it) | 1985-04-17 |
| HK69780A (en) | 1980-12-19 |
| CA1099553A (en) | 1981-04-21 |
| FR2333276A1 (fr) | 1977-06-24 |
| DE2553666A1 (de) | 1977-06-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |