BE774559A - DEVICE FOR OPERATING PROJECTORS - Google Patents
DEVICE FOR OPERATING PROJECTORSInfo
- Publication number
- BE774559A BE774559A BE774559A BE774559A BE774559A BE 774559 A BE774559 A BE 774559A BE 774559 A BE774559 A BE 774559A BE 774559 A BE774559 A BE 774559A BE 774559 A BE774559 A BE 774559A
- Authority
- BE
- Belgium
- Prior art keywords
- projectors
- operating
- operating projectors
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702057484 DE2057484A1 (en) | 1970-11-23 | 1970-11-23 | Arrangement for operating headlights |
Publications (1)
Publication Number | Publication Date |
---|---|
BE774559A true BE774559A (en) | 1972-02-14 |
Family
ID=5788860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE774559A BE774559A (en) | 1970-11-23 | 1971-10-27 | DEVICE FOR OPERATING PROJECTORS |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE774559A (en) |
DE (1) | DE2057484A1 (en) |
GB (1) | GB1332412A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4527198A (en) * | 1982-11-19 | 1985-07-02 | Michael Callahan | Followspot parameter feedback |
US5319301A (en) * | 1984-08-15 | 1994-06-07 | Michael Callahan | Inductorless controlled transition and other light dimmers |
US5225765A (en) * | 1984-08-15 | 1993-07-06 | Michael Callahan | Inductorless controlled transition and other light dimmers |
US5629607A (en) * | 1984-08-15 | 1997-05-13 | Callahan; Michael | Initializing controlled transition light dimmers |
GB2209229B (en) * | 1987-08-28 | 1991-12-04 | Tasco Ltd | Remote control system |
GB0407847D0 (en) | 2004-04-07 | 2004-05-12 | Gekko Technology Ltd | Lighting apparatus |
DE102006042534A1 (en) * | 2006-09-11 | 2008-03-27 | Licht-Technik Vertriebs Gmbh | Device for attaching stage technology devices |
JP5173231B2 (en) | 2007-04-03 | 2013-04-03 | 株式会社Isa | 3D rendering method and system |
CN106477432B (en) * | 2016-12-16 | 2018-11-13 | 神州科创科技有限公司 | A kind of lighting device of lift car |
-
1970
- 1970-11-23 DE DE19702057484 patent/DE2057484A1/en active Pending
-
1971
- 1971-10-27 BE BE774559A patent/BE774559A/en unknown
- 1971-11-12 GB GB5278471A patent/GB1332412A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2057484A1 (en) | 1972-05-31 |
GB1332412A (en) | 1973-10-03 |
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