FR2489479B1 - Lampe electrique de projecteur - Google Patents
Lampe electrique de projecteurInfo
- Publication number
- FR2489479B1 FR2489479B1 FR8116233A FR8116233A FR2489479B1 FR 2489479 B1 FR2489479 B1 FR 2489479B1 FR 8116233 A FR8116233 A FR 8116233A FR 8116233 A FR8116233 A FR 8116233A FR 2489479 B1 FR2489479 B1 FR 2489479B1
- Authority
- FR
- France
- Prior art keywords
- projector lamp
- electric projector
- electric
- lamp
- projector
- 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)
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 |
---|---|
FR2489479A1 FR2489479A1 (fr) | 1982-03-05 |
FR2489479B1 true FR2489479B1 (fr) | 1987-09-04 |
Family
ID=10515658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8116233A Expired FR2489479B1 (fr) | 1980-08-27 | 1981-08-25 | Lampe electrique de projecteur |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3132670A1 (fr) |
FR (1) | FR2489479B1 (fr) |
GB (1) | GB2082745B (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2127950A (en) * | 1982-09-29 | 1984-04-18 | Rank Organisation Plc | Profile spotlight |
JPS60184250A (ja) * | 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 | セグメント化された反射器を有するランプ |
US5272408A (en) * | 1991-05-09 | 1993-12-21 | Gte Products Corporation | Lamp and reflector assembly |
WO1992017733A1 (fr) * | 1991-04-03 | 1992-10-15 | Gte Products Corporation | Ensemble lampe et reflecteur |
US7781947B2 (en) | 2004-02-12 | 2010-08-24 | Mattson Technology Canada, Inc. | Apparatus and methods for producing electromagnetic radiation |
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 (fr) * | 1944-08-30 | 1948-09-02 | Philips Nv | Appareil d'éclairage |
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/de active Granted
- 1981-08-25 FR FR8116233A patent/FR2489479B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2082745A (en) | 1982-03-10 |
GB2082745B (en) | 1984-03-28 |
FR2489479A1 (fr) | 1982-03-05 |
DE3132670C2 (fr) | 1992-05-07 |
DE3132670A1 (de) | 1982-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE891453A (fr) | Lampes electriques | |
DK449584D0 (da) | Anordning ved en elektrisk gloedelampe | |
IT1130732B (it) | Lampada elettrica | |
BE880283A (fr) | Lampe electrique | |
BE881905A (fr) | Lampe a incandescence electrique | |
BE868454A (fr) | Lampe electrique | |
NL184859C (nl) | Elektrische lamp. | |
FR2504313B1 (fr) | Lampe reflectrice electrique | |
BR8303873A (pt) | Lampada refletora eletrica | |
BE886093A (fr) | Lampe a incandescence electrique | |
BE889609A (fr) | Lampe electrique emballee | |
BE882199A (fr) | Lampe a incandescence electrique | |
FR2306526A1 (fr) | Lampe electrique | |
FR2489479B1 (fr) | Lampe electrique de projecteur | |
BE867124A (fr) | Lampe electrique | |
FR2489040B1 (fr) | Lampe electrique avec ampoule de forme ellipsoidale | |
IT1193996B (it) | Lampada elettrica | |
BE870223A (fr) | Lampe electrique emballee | |
BE875672A (fr) | Lampe electrique | |
IT1138221B (it) | Lampada elettrica ad incandescenza | |
BE855886A (fr) | Lampe electrique | |
BE889041A (fr) | Lampe electrique emballee | |
BE874847A (fr) | Lampe electrique | |
AT382703B (de) | Elektrische langfeldleuchte | |
BR8104472A (pt) | Lampada eletrica incandescente |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |