BE878596A - Organe d'eclairage pour cinema, lampe a incandescence et a basse tension utilisable avec celui-ci et reflecteur, - Google Patents
Organe d'eclairage pour cinema, lampe a incandescence et a basse tension utilisable avec celui-ci et reflecteur,Info
- Publication number
- BE878596A BE878596A BE2/58044A BE2058044A BE878596A BE 878596 A BE878596 A BE 878596A BE 2/58044 A BE2/58044 A BE 2/58044A BE 2058044 A BE2058044 A BE 2058044A BE 878596 A BE878596 A BE 878596A
- Authority
- BE
- Belgium
- Prior art keywords
- cinema
- incandescent
- reflector
- low voltage
- lighting unit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/939,928 US4169238A (en) | 1978-09-06 | 1978-09-06 | Movie light, low voltage incandescent lamp unit for use therewith, and reflector |
Publications (1)
Publication Number | Publication Date |
---|---|
BE878596A true BE878596A (fr) | 1979-12-31 |
Family
ID=25473946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2/58044A BE878596A (fr) | 1978-09-06 | 1979-09-05 | Organe d'eclairage pour cinema, lampe a incandescence et a basse tension utilisable avec celui-ci et reflecteur, |
Country Status (8)
Country | Link |
---|---|
US (1) | US4169238A (ja) |
JP (2) | JPS5537792A (ja) |
BE (1) | BE878596A (ja) |
CA (1) | CA1123804A (ja) |
DE (1) | DE2930799A1 (ja) |
FR (1) | FR2435666A1 (ja) |
GB (1) | GB2031574B (ja) |
NL (1) | NL7906635A (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2082745B (en) * | 1980-08-27 | 1984-03-28 | Thorn Emi Ltd | An improved reflector for electric projector lamps |
GB2127950A (en) * | 1982-09-29 | 1984-04-18 | Rank Organisation Plc | Profile spotlight |
US4755711A (en) * | 1986-07-07 | 1988-07-05 | Gte Products Corporation | Electric lamp with ceramic reflector |
JPH0610357Y2 (ja) * | 1986-10-06 | 1994-03-16 | カシオ計算機株式会社 | 光源装置 |
US4918353A (en) * | 1987-09-29 | 1990-04-17 | General Electric Company | Reflector and lamp combination |
US4835439A (en) * | 1987-09-29 | 1989-05-30 | General Electric Company | Increasing the oxidation resistance of molybdenum and its use for lamp seals |
EP0420214A3 (en) * | 1989-09-27 | 1991-08-28 | Toshiba Lighting & Technology Corporation | Lamp device and method of bonding mirror reflector to lamp |
KR970057652A (ko) * | 1995-12-21 | 1997-07-31 | 윤종용 | 액정 프로젝터의 반사경 및 그 제조 방법 |
US7758223B2 (en) | 2005-04-08 | 2010-07-20 | Toshiba Lighting & Technology Corporation | Lamp having outer shell to radiate heat of light source |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2411568A (en) * | 1943-04-23 | 1946-11-26 | Gen Electric | Lamp unit |
US2387038A (en) * | 1943-09-15 | 1945-10-16 | Rca Corp | Reflector |
US2810660A (en) * | 1954-02-01 | 1957-10-22 | Westinghouse Electric Corp | Diffusing reflecting coating and method of preparing same |
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 |
-
1978
- 1978-09-06 US US05/939,928 patent/US4169238A/en not_active Expired - Lifetime
-
1979
- 1979-07-28 DE DE19792930799 patent/DE2930799A1/de not_active Withdrawn
- 1979-08-10 CA CA333,594A patent/CA1123804A/en not_active Expired
- 1979-09-05 GB GB7930802A patent/GB2031574B/en not_active Expired
- 1979-09-05 JP JP11304179A patent/JPS5537792A/ja active Pending
- 1979-09-05 FR FR7922156A patent/FR2435666A1/fr active Granted
- 1979-09-05 BE BE2/58044A patent/BE878596A/xx unknown
- 1979-09-05 NL NL7906635A patent/NL7906635A/nl not_active Application Discontinuation
-
1983
- 1983-05-24 JP JP1983077081U patent/JPS59101251U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2435666B1 (ja) | 1983-07-01 |
JPS59101251U (ja) | 1984-07-07 |
GB2031574A (en) | 1980-04-23 |
GB2031574B (en) | 1982-11-10 |
NL7906635A (nl) | 1980-03-10 |
FR2435666A1 (fr) | 1980-04-04 |
CA1123804A (en) | 1982-05-18 |
DE2930799A1 (de) | 1980-03-20 |
US4169238A (en) | 1979-09-25 |
JPS5537792A (en) | 1980-03-15 |
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