FR56540E - - Google Patents
Info
- Publication number
- FR56540E FR56540E FR56540DA FR56540E FR 56540 E FR56540 E FR 56540E FR 56540D A FR56540D A FR 56540DA FR 56540 E FR56540 E FR 56540E
- 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
- G03B41/00—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor
- G03B41/02—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film
- G03B41/04—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator
- G03B41/10—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator with oscillating reflecting member
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR56540E true FR56540E (en) | 1952-10-09 |
Family
ID=1363526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR56540D Expired FR56540E (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR56540E (en) |
-
0
- FR FR56540D patent/FR56540E/fr not_active Expired