FR631473A - Luminous projection device, continuous, automatic or controlled - Google Patents
Luminous projection device, continuous, automatic or controlledInfo
- Publication number
- FR631473A FR631473A FR631473DA FR631473A FR 631473 A FR631473 A FR 631473A FR 631473D A FR631473D A FR 631473DA FR 631473 A FR631473 A FR 631473A
- Authority
- FR
- France
- Prior art keywords
- automatic
- continuous
- controlled
- projection device
- luminous 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
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
- G03B23/06—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with rotary movement
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR631473T | 1927-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR631473A true FR631473A (en) | 1927-12-21 |
Family
ID=8991784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR631473D Expired FR631473A (en) | 1927-03-26 | 1927-03-26 | Luminous projection device, continuous, automatic or controlled |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR631473A (en) |
-
1927
- 1927-03-26 FR FR631473D patent/FR631473A/en not_active Expired
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