GB2082745B - An improved reflector for electric projector lamps - Google Patents
An improved reflector for electric projector lampsInfo
- Publication number
- GB2082745B GB2082745B GB8027649A GB8027649A GB2082745B GB 2082745 B GB2082745 B GB 2082745B GB 8027649 A GB8027649 A GB 8027649A GB 8027649 A GB8027649 A GB 8027649A GB 2082745 B GB2082745 B GB 2082745B
- Authority
- GB
- United Kingdom
- Prior art keywords
- projector lamps
- improved reflector
- electric projector
- electric
- reflector
- 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
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/0005—Fastening of light sources or lamp holders of sources having contact pins, wires or blades, e.g. pinch sealed lamp
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8027649A GB2082745B (en) | 1980-08-27 | 1980-08-27 | An improved reflector for electric projector lamps |
DE19813132670 DE3132670A1 (en) | 1980-08-27 | 1981-08-15 | ELECTRIC LAMP |
FR8116233A FR2489479B1 (en) | 1980-08-27 | 1981-08-25 | ELECTRIC PROJECTOR LAMP |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8027649A GB2082745B (en) | 1980-08-27 | 1980-08-27 | An improved reflector for electric projector lamps |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2082745A GB2082745A (en) | 1982-03-10 |
GB2082745B true GB2082745B (en) | 1984-03-28 |
Family
ID=10515658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8027649A Expired GB2082745B (en) | 1980-08-27 | 1980-08-27 | An improved reflector for electric projector lamps |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3132670A1 (en) |
FR (1) | FR2489479B1 (en) |
GB (1) | GB2082745B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8384274B2 (en) | 2004-02-12 | 2013-02-26 | Mattson Technology, Inc. | High-intensity electromagnetic radiation apparatus and methods |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2127950A (en) * | 1982-09-29 | 1984-04-18 | Rank Organisation Plc | Profile spotlight |
JPS60184250A (en) * | 1984-03-01 | 1985-09-19 | フュージョン・システムズ・コーポレーション | Lamp having segmented reflector |
DE69130738T2 (en) * | 1991-04-03 | 1999-09-02 | Flowil International Lighting (Holding) B.V. | REFLECTOR WITH LAMP |
US5272408A (en) * | 1991-05-09 | 1993-12-21 | Gte Products Corporation | Lamp and reflector assembly |
US20070236121A1 (en) * | 2006-04-06 | 2007-10-11 | Lei Deng | High-intensity discharge lamp for spot lighting |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB336773A (en) * | 1928-10-05 | 1930-10-23 | Adolf Buess | Improvements in or relating to reflectors |
FR938008A (en) * | 1944-08-30 | 1948-09-02 | Philips Nv | Lighting fixture |
US2913570A (en) * | 1957-07-18 | 1959-11-17 | Gen Electric | High efficiency floodlight projector |
US4021659A (en) * | 1975-10-30 | 1977-05-03 | General Electric Company | Projector lamp reflector |
US4035631A (en) * | 1975-12-15 | 1977-07-12 | General Electric Company | Projector lamp reflector |
US4169238A (en) * | 1978-09-06 | 1979-09-25 | Gte Sylvania Incorporated | Movie light, low voltage incandescent lamp unit for use therewith, and reflector |
-
1980
- 1980-08-27 GB GB8027649A patent/GB2082745B/en not_active Expired
-
1981
- 1981-08-15 DE DE19813132670 patent/DE3132670A1/en active Granted
- 1981-08-25 FR FR8116233A patent/FR2489479B1/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8384274B2 (en) | 2004-02-12 | 2013-02-26 | Mattson Technology, Inc. | High-intensity electromagnetic radiation apparatus and methods |
Also Published As
Publication number | Publication date |
---|---|
DE3132670C2 (en) | 1992-05-07 |
FR2489479A1 (en) | 1982-03-05 |
GB2082745A (en) | 1982-03-10 |
FR2489479B1 (en) | 1987-09-04 |
DE3132670A1 (en) | 1982-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 20000826 |