GB188626A - Improvements in and relating to fire-protecting devices in kinematographic projecting apparatus - Google Patents
Improvements in and relating to fire-protecting devices in kinematographic projecting apparatusInfo
- Publication number
- GB188626A GB188626A GB30431/21A GB3043121A GB188626A GB 188626 A GB188626 A GB 188626A GB 30431/21 A GB30431/21 A GB 30431/21A GB 3043121 A GB3043121 A GB 3043121A GB 188626 A GB188626 A GB 188626A
- Authority
- GB
- United Kingdom
- Prior art keywords
- kinematographic
- fire
- relating
- projecting apparatus
- protecting devices
- 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
- G03B21/16—Cooling; Preventing overheating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE188626X | 1921-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB188626A true GB188626A (en) | 1922-12-14 |
Family
ID=5720957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30431/21A Expired GB188626A (en) | 1921-11-09 | 1921-11-15 | Improvements in and relating to fire-protecting devices in kinematographic projecting apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB188626A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11248685B2 (en) | 2018-06-18 | 2022-02-15 | Ten Fold Engineering Limited | Apparatus for converting motion |
-
1921
- 1921-11-15 GB GB30431/21A patent/GB188626A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11248685B2 (en) | 2018-06-18 | 2022-02-15 | Ten Fold Engineering Limited | Apparatus for converting motion |
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