FR490142A - Projecteur de cinématographe - Google Patents
Projecteur de cinématographeInfo
- Publication number
- FR490142A FR490142A FR490142DA FR490142A FR 490142 A FR490142 A FR 490142A FR 490142D A FR490142D A FR 490142DA FR 490142 A FR490142 A FR 490142A
- Authority
- FR
- France
- Prior art keywords
- cinematograph projector
- cinematograph
- projector
- 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
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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/12—Projectors or projection-type viewers; Accessories therefor adapted for projection of either still pictures or motion pictures
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US490142XA | 1916-03-30 | 1916-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR490142A true FR490142A (fr) | 1919-04-03 |
Family
ID=1526313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR490142D Expired FR490142A (fr) | 1916-03-30 | 1917-03-20 | Projecteur de cinématographe |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR490142A (fr) |
-
1917
- 1917-03-20 FR FR490142D patent/FR490142A/fr not_active Expired
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