SE7906932L - Elektrisk glodlampa - Google Patents
Elektrisk glodlampaInfo
- Publication number
- SE7906932L SE7906932L SE7906932A SE7906932A SE7906932L SE 7906932 L SE7906932 L SE 7906932L SE 7906932 A SE7906932 A SE 7906932A SE 7906932 A SE7906932 A SE 7906932A SE 7906932 L SE7906932 L SE 7906932L
- Authority
- SE
- Sweden
- Prior art keywords
- lamp
- increasing
- filament
- electric lamp
- efficiency
- 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
Landscapes
- Optical Filters (AREA)
- Optical Elements Other Than Lenses (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86315577A | 1977-12-22 | 1977-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7906932L true SE7906932L (sv) | 1979-08-20 |
Family
ID=25340406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7906932A SE7906932L (sv) | 1977-12-22 | 1979-08-20 | Elektrisk glodlampa |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS55500031A (sv) |
AU (1) | AU526737B2 (sv) |
CA (1) | CA1131688A (sv) |
CH (1) | CH627301A5 (sv) |
FR (1) | FR2412941A1 (sv) |
GB (1) | GB2036422B (sv) |
IT (1) | IT1106846B (sv) |
SE (1) | SE7906932L (sv) |
WO (1) | WO1979000424A1 (sv) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5958753A (ja) * | 1982-09-28 | 1984-04-04 | 株式会社東芝 | 白熱電球 |
KR890004640B1 (ko) * | 1984-09-28 | 1989-11-21 | 가부시끼 가이샤 도시바 | 광확산코우팅 및 그 형성방법과 코우팅한 램프 |
US5276763A (en) * | 1990-07-09 | 1994-01-04 | Heraeus Quarzglas Gmbh | Infrared radiator with protected reflective coating and method for manufacturing same |
US5660462A (en) * | 1994-09-13 | 1997-08-26 | Osram Sylvania Inc. | High efficiency vehicle headlights and reflector lamps |
DE102004016954A1 (de) * | 2004-04-06 | 2005-10-27 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Reflektorlampe mit Halogenfüllung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3188513A (en) * | 1963-04-10 | 1965-06-08 | Gen Electric | Optical filters and lamps embodying the same |
FR1389295A (fr) * | 1963-04-10 | 1965-02-12 | Lampes Sa | Filtres optiques et lampes comprenant de tels filtres |
US3682528A (en) * | 1970-09-10 | 1972-08-08 | Optical Coating Laboratory Inc | Infra-red interference filter |
NL7405071A (nl) * | 1974-04-16 | 1975-10-20 | Philips Nv | Gloeilamp met infrarood filter. |
-
1978
- 1978-12-22 CH CH784779A patent/CH627301A5/de not_active IP Right Cessation
- 1978-12-22 JP JP50026678A patent/JPS55500031A/ja active Pending
- 1978-12-22 IT IT52426/78A patent/IT1106846B/it active
- 1978-12-22 CA CA318,534A patent/CA1131688A/en not_active Expired
- 1978-12-22 GB GB7927498A patent/GB2036422B/en not_active Expired
- 1978-12-22 WO PCT/US1978/000245 patent/WO1979000424A1/en unknown
- 1978-12-22 AU AU42858/78A patent/AU526737B2/en not_active Expired
- 1978-12-22 FR FR7836110A patent/FR2412941A1/fr active Granted
-
1979
- 1979-08-20 SE SE7906932A patent/SE7906932L/sv unknown
Also Published As
Publication number | Publication date |
---|---|
AU526737B2 (en) | 1983-01-27 |
IT7852426A0 (it) | 1978-12-22 |
AU4285878A (en) | 1979-06-28 |
IT1106846B (it) | 1985-11-18 |
GB2036422B (en) | 1982-07-07 |
CA1131688A (en) | 1982-09-14 |
WO1979000424A1 (en) | 1979-07-12 |
FR2412941B1 (sv) | 1984-04-20 |
GB2036422A (en) | 1980-06-25 |
CH627301A5 (sv) | 1981-12-31 |
JPS55500031A (sv) | 1980-01-24 |
FR2412941A1 (fr) | 1979-07-20 |
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