FR2451631A1 - Lampe a incandescence electrique - Google Patents
Lampe a incandescence electriqueInfo
- Publication number
- FR2451631A1 FR2451631A1 FR8005320A FR8005320A FR2451631A1 FR 2451631 A1 FR2451631 A1 FR 2451631A1 FR 8005320 A FR8005320 A FR 8005320A FR 8005320 A FR8005320 A FR 8005320A FR 2451631 A1 FR2451631 A1 FR 2451631A1
- Authority
- FR
- France
- Prior art keywords
- filament
- filter
- incandescence lamp
- electric
- electric incandescence
- 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.)
- Granted
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
- H01K1/28—Envelopes; Vessels
Landscapes
- Resistance Heating (AREA)
- Radiation-Therapy Devices (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
LE RENDEMENT D'UNE LAMPE A INCANDESCENCE EST AUGMENTE LORSQUE LE FILAMENT EST ENTOURE DE FILTRES REFLECHISSANT LE RAYONNEMENT INFRAROUGE. ON A TOUJOURS SUPPOSE QUE LA GEOMETRIE DU FILTRE ET CELLE DU FILAMENT DOIVENT ETRE ACCORDEES L'UNE SUR L'AUTRE, CE QUI NECESSITE UNE STRUCTURE DE FILAMENT COMPLEXE. CONFORMEMENT A L'INVENTION, LE FILAMENT APLATI, PLIE COMPRENANT PLUSIEURS PARTIES 5, 6, 7, 8, 9, 10 ET DISPOSE AU CENTRE D'UN FILTRE SPHERIQUE 2 EST SITUE DANS UN CARRE, DONT LES COTES PRESENTENT UNE LONGUEUR EGALE A 0,25 A 0,04FOIS LE DIAMETRE DU FILTRE. APPLICATION: ECLAIRAGE GENERAL.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7902016A NL7902016A (nl) | 1979-03-14 | 1979-03-14 | Elektrische gloeilamp. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2451631A1 true FR2451631A1 (fr) | 1980-10-10 |
FR2451631B1 FR2451631B1 (fr) | 1981-12-31 |
Family
ID=19832797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8005320A Granted FR2451631A1 (fr) | 1979-03-14 | 1980-03-10 | Lampe a incandescence electrique |
Country Status (8)
Country | Link |
---|---|
US (1) | US4311940A (fr) |
JP (1) | JPS55124946A (fr) |
BE (1) | BE882199A (fr) |
CA (1) | CA1144974A (fr) |
DE (1) | DE3009362A1 (fr) |
FR (1) | FR2451631A1 (fr) |
GB (1) | GB2044993B (fr) |
NL (1) | NL7902016A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4714857A (en) * | 1986-04-21 | 1987-12-22 | Duro-Test Corporation | Infrared reflective lamp with envelope having straight sections |
EP0588541A1 (fr) * | 1992-09-14 | 1994-03-23 | Ge Lighting Limited | Lampes électriques à incandescène |
US5962973A (en) * | 1997-06-06 | 1999-10-05 | Guide Corporation | Optically-coated dual-filament bulb for single compartment headlamp |
DE19843852A1 (de) * | 1998-09-24 | 2000-03-30 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Elektrische Glühlampe |
JP2001155691A (ja) * | 1999-11-26 | 2001-06-08 | Philips Lighting Kk | ランプ |
GB2428878A (en) * | 2005-07-25 | 2007-02-07 | Gen Electric | Light source for high efficiency illumination systems |
GB2428877A (en) * | 2005-07-25 | 2007-02-07 | Gen Electric | Gap-Wound Filament Array and Lamps Using the Same |
USD647235S1 (en) | 2010-03-08 | 2011-10-18 | Hubbell Incorporated | Lighting fixture having struts |
USD689646S1 (en) | 2012-01-25 | 2013-09-10 | Hubbell Incorporated | Wall mounted light fixture having struts |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1563565A (fr) * | 1967-05-25 | 1969-04-11 | ||
DE2811037A1 (de) * | 1977-03-25 | 1978-10-05 | Duro Test Corp | Gluehlampe |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2144673A (en) * | 1935-10-31 | 1939-01-24 | Birdseye Electric Company | Incandescent lamp and its manufacture |
US2784338A (en) * | 1954-07-09 | 1957-03-05 | Siemens Electric Lamps & Suppl | Incandescent electric lamps |
US3445713A (en) * | 1966-12-12 | 1969-05-20 | Gen Electric | Halogen cycle incandescent lamp |
US3555338A (en) * | 1967-03-10 | 1971-01-12 | Sylvania Electric Prod | Incandescent lamp |
US3543962A (en) * | 1968-12-13 | 1970-12-01 | Sylvania Electric Prod | High wattage quartz halogen lamp |
US3909653A (en) * | 1969-05-02 | 1975-09-30 | Westinghouse Electric Corp | Compact electric incandescent lamp having planar filament and improved mount |
GB1366987A (en) * | 1972-10-11 | 1974-09-18 | Gen Electric Co Ltd | Filament mount structures for use in electric incandescent filament lamps |
US4023060A (en) * | 1975-11-28 | 1977-05-10 | Gte Sylvania Incorporated | Ruggedized, high power tungsten-halogen lamp |
US4079283A (en) * | 1977-04-11 | 1978-03-14 | Gte Sylvania Incorporated | High wattage incandescent lamp with support for a planar segmented filament |
NL7704182A (nl) * | 1977-04-18 | 1978-10-20 | Philips Nv | Elektrische gloeilamp. |
-
1979
- 1979-03-14 NL NL7902016A patent/NL7902016A/nl not_active Application Discontinuation
-
1980
- 1980-02-04 US US06/118,167 patent/US4311940A/en not_active Expired - Lifetime
- 1980-03-06 CA CA000347103A patent/CA1144974A/fr not_active Expired
- 1980-03-10 FR FR8005320A patent/FR2451631A1/fr active Granted
- 1980-03-11 JP JP2986080A patent/JPS55124946A/ja active Pending
- 1980-03-11 GB GB8008204A patent/GB2044993B/en not_active Expired
- 1980-03-12 DE DE19803009362 patent/DE3009362A1/de not_active Ceased
- 1980-03-12 BE BE0/199774A patent/BE882199A/fr not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1563565A (fr) * | 1967-05-25 | 1969-04-11 | ||
DE2811037A1 (de) * | 1977-03-25 | 1978-10-05 | Duro Test Corp | Gluehlampe |
FR2385223A1 (fr) * | 1977-03-25 | 1978-10-20 | Duro Test Corp | Source lumineuse a incandescence a miroir a chaleur transparent |
Also Published As
Publication number | Publication date |
---|---|
BE882199A (fr) | 1980-09-12 |
NL7902016A (nl) | 1980-09-16 |
CA1144974A (fr) | 1983-04-19 |
FR2451631B1 (fr) | 1981-12-31 |
GB2044993B (en) | 1983-01-06 |
JPS55124946A (en) | 1980-09-26 |
US4311940A (en) | 1982-01-19 |
GB2044993A (en) | 1980-10-22 |
DE3009362A1 (de) | 1980-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |