IT8026796A0 - Filamento incadescente a spiralatura tripla. - Google Patents
Filamento incadescente a spiralatura tripla.Info
- Publication number
- IT8026796A0 IT8026796A0 IT8026796A IT2679680A IT8026796A0 IT 8026796 A0 IT8026796 A0 IT 8026796A0 IT 8026796 A IT8026796 A IT 8026796A IT 2679680 A IT2679680 A IT 2679680A IT 8026796 A0 IT8026796 A0 IT 8026796A0
- Authority
- IT
- Italy
- Prior art keywords
- glowing filament
- triple spiral
- triple
- spiral
- glowing
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/105,580 US4316116A (en) | 1979-12-19 | 1979-12-19 | Triple-coil incandescent filament |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8026796A0 true IT8026796A0 (it) | 1980-12-19 |
IT1134815B IT1134815B (it) | 1986-08-20 |
Family
ID=22306630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26796/80A IT1134815B (it) | 1979-12-19 | 1980-12-19 | Filamento incadescente a spiralatura tripla |
Country Status (5)
Country | Link |
---|---|
US (1) | US4316116A (it) |
DE (1) | DE3047398A1 (it) |
FR (1) | FR2473786A1 (it) |
GB (1) | GB2065966A (it) |
IT (1) | IT1134815B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4499401A (en) * | 1983-03-03 | 1985-02-12 | General Electric Company | Triple coil incandescent filament |
US4686412A (en) * | 1986-04-14 | 1987-08-11 | Gte Products Corporation | Reflector-type lamp having reduced focus loss |
US4683397A (en) * | 1986-04-14 | 1987-07-28 | Gte Products Corporation | Compact incandescent coiled coil filament |
US4939411A (en) * | 1986-11-19 | 1990-07-03 | North American Philips Corporation | Composite vacuum evaporation coil |
US4835443A (en) * | 1986-12-16 | 1989-05-30 | Gte Products Corporation | High voltage hard glass halogen capsule |
EP0271857B1 (en) * | 1986-12-16 | 1997-04-02 | Gte Products Corporation | Compact coiled coil incandescent filament with supports |
DE3752258T2 (de) * | 1986-12-16 | 1999-11-04 | Gte Prod Corp | Halogenkolben aus Hartglas für Hochspannung |
DE3752040T2 (de) * | 1986-12-16 | 1997-10-30 | Gte Prod Corp | Kompakte Doppelglühwendel mit Anwendung der Steigung für Biegungskontrolle |
US4918354A (en) * | 1987-12-18 | 1990-04-17 | Gte Products Corporation | Compact coiled coil incandescent filament with supports and pitch control |
US4935662A (en) * | 1988-08-31 | 1990-06-19 | Gte Products Corporation | Electric lamp having a coiled incandescent filament and filament movement restraint means |
DE19912544B4 (de) * | 1999-03-19 | 2007-01-18 | Heraeus Noblelight Gmbh | Infrarotstrahler und Verfahren zur Erwärmung eines Behandlungsgutes |
JP2001345077A (ja) * | 2000-03-30 | 2001-12-14 | Toshiba Lighting & Technology Corp | ハロゲン電球および照明装置 |
DE10040253A1 (de) * | 2000-08-14 | 2002-02-28 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Kompakte Hochvolt-Glühlampe |
JP4470084B2 (ja) * | 2001-03-06 | 2010-06-02 | 河北ライティングソリューションズ株式会社 | 電球 |
US20040140997A1 (en) * | 2002-11-01 | 2004-07-22 | Gravina Craig S. | Controller and removable user interface (rui) for media presentation |
JP4208644B2 (ja) * | 2003-05-30 | 2009-01-14 | パナソニック株式会社 | 発光管及び低圧水銀ランプ |
US20070241654A1 (en) * | 2005-03-22 | 2007-10-18 | Robert Cassidy | Lamp filament design |
US7977855B2 (en) * | 2005-12-22 | 2011-07-12 | Randal Lee Wimberly | Incandescent lamp and illumination system with optimized filament shape and size |
CN101281842B (zh) * | 2008-03-31 | 2010-06-16 | 湖州太箭照明有限公司 | 节能灯丝的左、左、右三段式螺旋绕制方法及结构 |
US20100123391A1 (en) * | 2008-11-17 | 2010-05-20 | Arturo De Santiago | Lamp |
US20170263435A1 (en) * | 2016-03-11 | 2017-09-14 | Agilent Technologies, Inc. | Filament assembly for generating electrons, and related devices, systems and methods |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191226289A (en) * | 1911-11-20 | 1913-04-24 | Westinghouse Metallfaden Glueh | Improvements in Metal Filaments for Electric Incandescent Lamps. |
US1180159A (en) * | 1913-04-19 | 1916-04-18 | Gen Electric | Incandescent electric lamp. |
US1247068A (en) * | 1913-10-04 | 1917-11-20 | Gen Electric | Filament. |
GB456760A (en) * | 1935-05-14 | 1936-11-16 | Siemens Electric Lamps & Suppl | Improvements relating to incandescent filament electric lamps |
FR797768A (fr) * | 1935-11-16 | 1936-05-04 | Lampe à incandescence, et corps lumineux particulièrement destiné à être utilisé dans cette lampe | |
US2142865A (en) * | 1937-03-24 | 1939-01-03 | Gen Electric | Method of manufacturing filaments |
US2306925A (en) * | 1941-07-29 | 1942-12-29 | Gen Electric | Electrode and its fabrication |
US2774918A (en) * | 1951-10-06 | 1956-12-18 | Gen Electric | Electric discharge device |
US4208609A (en) * | 1978-09-25 | 1980-06-17 | General Electric Company | Squirm resistant filament |
-
1979
- 1979-12-19 US US06/105,580 patent/US4316116A/en not_active Expired - Lifetime
-
1980
- 1980-11-21 GB GB8037384A patent/GB2065966A/en not_active Withdrawn
- 1980-12-16 DE DE19803047398 patent/DE3047398A1/de not_active Withdrawn
- 1980-12-19 IT IT26796/80A patent/IT1134815B/it active
- 1980-12-19 FR FR8027075A patent/FR2473786A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
IT1134815B (it) | 1986-08-20 |
FR2473786A1 (fr) | 1981-07-17 |
US4316116A (en) | 1982-02-16 |
GB2065966A (en) | 1981-07-01 |
DE3047398A1 (de) | 1981-09-17 |
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