FR526263A - Device for cinematographic projection - Google Patents
Device for cinematographic projectionInfo
- Publication number
- FR526263A FR526263A FR526263A FR526263DA FR526263A FR 526263 A FR526263 A FR 526263A FR 526263 A FR526263 A FR 526263A FR 526263D A FR526263D A FR 526263DA FR 526263 A FR526263 A FR 526263A
- Authority
- FR
- France
- Prior art keywords
- cinematographic projection
- cinematographic
- projection
- 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
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2053—Intensity control of illuminating light
-
- 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)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE526263X | 1920-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR526263A true FR526263A (en) | 1921-10-06 |
Family
ID=6552901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR526263A Expired FR526263A (en) | 1920-05-28 | 1920-10-20 | Device for cinematographic projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR526263A (en) |
-
1920
- 1920-10-20 FR FR526263A patent/FR526263A/en not_active Expired
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