FR2138628B2 - - Google Patents
Info
- Publication number
- FR2138628B2 FR2138628B2 FR7210524A FR7210524A FR2138628B2 FR 2138628 B2 FR2138628 B2 FR 2138628B2 FR 7210524 A FR7210524 A FR 7210524A FR 7210524 A FR7210524 A FR 7210524A FR 2138628 B2 FR2138628 B2 FR 2138628B2
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Projection-Type Copiers In General (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15455071 | 1971-04-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2138628A2 FR2138628A2 (enExample) | 1973-01-05 |
| FR2138628B2 true FR2138628B2 (enExample) | 1973-07-13 |
Family
ID=5483729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7210524A Expired FR2138628B2 (enExample) | 1971-04-21 | 1972-03-24 |
Country Status (4)
| Country | Link |
|---|---|
| CS (1) | CS162841B3 (enExample) |
| DE (1) | DE2139784A1 (enExample) |
| FR (1) | FR2138628B2 (enExample) |
| SU (1) | SU423319A3 (enExample) |
-
1971
- 1971-08-09 DE DE19712139784 patent/DE2139784A1/de active Pending
-
1972
- 1972-02-28 SU SU1752875A patent/SU423319A3/ru active
- 1972-03-08 CS CS154572A patent/CS162841B3/cs unknown
- 1972-03-24 FR FR7210524A patent/FR2138628B2/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2138628A2 (enExample) | 1973-01-05 |
| SU423319A3 (ru) | 1974-04-05 |
| CS162841B3 (enExample) | 1975-07-15 |
| DE2139784A1 (de) | 1972-11-02 |