JPS57501301A - - Google Patents
Info
- Publication number
- JPS57501301A JPS57501301A JP56502824A JP50282481A JPS57501301A JP S57501301 A JPS57501301 A JP S57501301A JP 56502824 A JP56502824 A JP 56502824A JP 50282481 A JP50282481 A JP 50282481A JP S57501301 A JPS57501301 A JP S57501301A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G03B27/54—Lamp housings; Illuminating means
- G03B27/545—Lamp housings; Illuminating means for enlargers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8018548A FR2489006A1 (fr) | 1980-08-25 | 1980-08-25 | Agrandisseur photographique a lumiere ponctuelle perfectionne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57501301A true JPS57501301A (enExample) | 1982-07-22 |
Family
ID=9245409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56502824A Pending JPS57501301A (enExample) | 1980-08-25 | 1981-08-24 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0058186B1 (enExample) |
| JP (1) | JPS57501301A (enExample) |
| FR (1) | FR2489006A1 (enExample) |
| WO (1) | WO1982000721A1 (enExample) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1630616A (en) * | 1923-11-21 | 1927-05-31 | Roger M Hill | Optical system for projection apparatus |
| US2843010A (en) * | 1956-03-26 | 1958-07-15 | Micro Master Inc | Point source light projector |
| GB830954A (en) * | 1957-03-04 | 1960-03-23 | Eastman Kodak Co | Improvements in and relating to photographic projection printers |
| US3336835A (en) * | 1965-05-05 | 1967-08-22 | Welch Scient Company | Color source |
-
1980
- 1980-08-25 FR FR8018548A patent/FR2489006A1/fr active Granted
-
1981
- 1981-08-24 WO PCT/FR1981/000107 patent/WO1982000721A1/fr not_active Ceased
- 1981-08-24 JP JP56502824A patent/JPS57501301A/ja active Pending
- 1981-08-24 EP EP19810902379 patent/EP0058186B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0058186B1 (fr) | 1986-02-19 |
| FR2489006A1 (fr) | 1982-02-26 |
| EP0058186A1 (fr) | 1982-08-25 |
| WO1982000721A1 (fr) | 1982-03-04 |
| FR2489006B1 (enExample) | 1984-11-02 |