GB2019999B - Spotlight lantern projection system - Google Patents
Spotlight lantern projection systemInfo
- Publication number
- GB2019999B GB2019999B GB7902057A GB7902057A GB2019999B GB 2019999 B GB2019999 B GB 2019999B GB 7902057 A GB7902057 A GB 7902057A GB 7902057 A GB7902057 A GB 7902057A GB 2019999 B GB2019999 B GB 2019999B
- Authority
- GB
- United Kingdom
- Prior art keywords
- spotlight
- projection system
- lantern projection
- lantern
- spotlight lantern
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K7/00—Lamps for purposes other than general lighting
- H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0025—Combination of two or more reflectors for a single light source
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
- F21V11/10—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures of iris type
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
- F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
-
- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1649578 | 1978-04-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2019999A GB2019999A (en) | 1979-11-07 |
GB2019999B true GB2019999B (en) | 1982-03-24 |
Family
ID=10078377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7902057A Expired GB2019999B (en) | 1978-04-26 | 1979-01-19 | Spotlight lantern projection system |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0005080B1 (en) |
DE (1) | DE2962174D1 (en) |
GB (1) | GB2019999B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0180665A1 (en) * | 1984-11-06 | 1986-05-14 | Inlines Productions S.A. | Lighting device with framing gate |
US4739456A (en) * | 1986-12-12 | 1988-04-19 | Little William D | High intensity pattern/follow spot projector |
JP2769259B2 (en) * | 1992-01-27 | 1998-06-25 | 株式会社小糸製作所 | Automotive headlamp |
DE19910192C2 (en) * | 1999-03-09 | 2002-04-04 | Schott Auer Gmbh | Reflector with a concave, rotationally symmetrical body and a faceted reflection surface |
US6206549B1 (en) | 1999-05-27 | 2001-03-27 | World Hint Limited | Light reflector |
GB2378499A (en) * | 2001-08-10 | 2003-02-12 | Central Research Lab Ltd | A lamp for a projection system |
DE102005029669A1 (en) | 2005-06-22 | 2007-01-11 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | headlights |
DE102005045685B4 (en) * | 2005-09-24 | 2010-09-23 | Automotive Lighting Reutlingen Gmbh | radiation device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1408875A (en) * | 1922-03-07 | Beflectoe | ||
GB255589A (en) * | 1925-05-26 | 1926-07-29 | Thomas Davis | Improvements in or relating to reflectors |
FR751001A (en) * | 1932-05-21 | 1933-08-25 | Optical device for lighting devices | |
US2597681A (en) * | 1950-07-01 | 1952-05-20 | Gen Electric | Electric incandescent lamp |
US3930149A (en) * | 1974-05-28 | 1975-12-30 | Sterndent Corp | Variable intensity dental light |
US4021659A (en) * | 1975-10-30 | 1977-05-03 | General Electric Company | Projector lamp reflector |
-
1979
- 1979-01-19 GB GB7902057A patent/GB2019999B/en not_active Expired
- 1979-04-25 DE DE7979300700T patent/DE2962174D1/en not_active Expired
- 1979-04-25 EP EP19790300700 patent/EP0005080B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2019999A (en) | 1979-11-07 |
EP0005080B1 (en) | 1982-02-24 |
DE2962174D1 (en) | 1982-03-25 |
EP0005080A1 (en) | 1979-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930119 |