FR1441187A - Lampe à incandescence - Google Patents
Lampe à incandescenceInfo
- Publication number
- FR1441187A FR1441187A FR25777A FR25777A FR1441187A FR 1441187 A FR1441187 A FR 1441187A FR 25777 A FR25777 A FR 25777A FR 25777 A FR25777 A FR 25777A FR 1441187 A FR1441187 A FR 1441187A
- Authority
- FR
- France
- Prior art keywords
- incandescent lamp
- incandescent
- lamp
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US384984A US3325666A (en) | 1964-07-24 | 1964-07-24 | Inert lamp reflector |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1441187A true FR1441187A (fr) | 1966-06-03 |
Family
ID=23519562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR25777A Expired FR1441187A (fr) | 1964-07-24 | 1965-07-23 | Lampe à incandescence |
Country Status (4)
Country | Link |
---|---|
US (1) | US3325666A (fr) |
BE (1) | BE667223A (fr) |
FR (1) | FR1441187A (fr) |
NL (1) | NL6509605A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH414345A (de) * | 1963-08-30 | 1966-05-31 | Gretag Ag | Anordnung für die Beleuchtung und Lichtsammlung in Geräten zur Ausmessung der Reflexionseigenschaften von Aufsichtsvorlagen, insbesondere für Aufsichtsdensitometer |
US3532417A (en) * | 1967-07-20 | 1970-10-06 | Gen Electric | Noninverting optical reflecting device |
US3695743A (en) * | 1970-03-16 | 1972-10-03 | James Zelman M | Optical reflector |
US3711700A (en) * | 1971-05-10 | 1973-01-16 | Gte Sylvania Inc | Disclosing light |
NL7405071A (nl) * | 1974-04-16 | 1975-10-20 | Philips Nv | Gloeilamp met infrarood filter. |
US4461969A (en) * | 1978-11-13 | 1984-07-24 | Duro-Test Corporation | Incandescent electric lamp with means for reducing effects of deposition of filament material |
JPS61101949A (ja) * | 1984-10-24 | 1986-05-20 | 東芝ライテック株式会社 | 電球 |
US5227821A (en) * | 1987-04-30 | 1993-07-13 | Nview Corporation | Liquid crystal display for projection systems |
US5255029A (en) * | 1987-04-30 | 1993-10-19 | Nview Corporation | Liquid crystal display for projection systems |
US5606337A (en) * | 1994-08-02 | 1997-02-25 | Lloyd; Mancelle R. | Vehicle turn signal and/or hazard light display |
WO2008018871A1 (fr) * | 2006-08-10 | 2008-02-14 | Naum Robert G | revêtements de COUCHE mince optiqueS réfléchissantS |
EP3287857B1 (fr) * | 2016-08-26 | 2019-04-03 | The Swatch Group Research and Development Ltd. | Procédé d'obtention d'un article à base de zircone ayant un aspect métallique |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH219890A (de) * | 1939-05-27 | 1942-03-15 | Jenaer Glaswerk Schott & Gen | Verfahren zur Herstellung einer oder mehrerer übereinanderliegender, dünner, widerstandsfähiger Schichten auf festen Gegenständen. |
US2552185A (en) * | 1950-06-02 | 1951-05-08 | Eastman Kodak Co | Illuminator for optical projectors |
US3022438A (en) * | 1959-09-10 | 1962-02-20 | Polaroid Corp | Electric lamps |
US3162785A (en) * | 1960-04-22 | 1964-12-22 | Sylvania Electric Prod | Projection lamp |
US3185020A (en) * | 1961-09-07 | 1965-05-25 | Optical Coating Laboratory Inc | Three layer anti-reflection coating |
-
1964
- 1964-07-24 US US384984A patent/US3325666A/en not_active Expired - Lifetime
-
1965
- 1965-07-22 BE BE667223D patent/BE667223A/xx not_active IP Right Cessation
- 1965-07-23 NL NL6509605A patent/NL6509605A/xx unknown
- 1965-07-23 FR FR25777A patent/FR1441187A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE667223A (fr) | 1965-11-16 |
US3325666A (en) | 1967-06-13 |
NL6509605A (fr) | 1966-01-25 |
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