FR2440613A1 - Lampe a decharge a electrodes protegees - Google Patents
Lampe a decharge a electrodes protegeesInfo
- Publication number
- FR2440613A1 FR2440613A1 FR7926781A FR7926781A FR2440613A1 FR 2440613 A1 FR2440613 A1 FR 2440613A1 FR 7926781 A FR7926781 A FR 7926781A FR 7926781 A FR7926781 A FR 7926781A FR 2440613 A1 FR2440613 A1 FR 2440613A1
- Authority
- FR
- France
- Prior art keywords
- discharge lamp
- screen
- tube
- lamp
- electrode
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
L'INVENTION PERMET D'EVITER LE TERNISSEMENT DE LA PAROI DU TUBE, TERNISSEMENT DONT RESULTE UNE DIMINUTION RAPIDE DU RENDEMENT LUMINEUX DES LAMPES. SELON LA PRESENTE INVENTION, UN ECRAN EST DISPOSE AUTOUR DE CHAQUE ELECTRODE DE MANIERE A NE PAS ABAISSER LA TEMPERATURE DU POINT FROID DU TUBE. DE PREFERENCE, L'ECRAN EST ISOLE ELECTRIQUEMENT DE L'ELECTRODE LORS DU FONCTIONNEMENT NORMAL DE LA LAMPE, ET AFFECTE LA FORME D'UN TRONC DE CONE. APPLICATION : LAMPE A DECHARGE A ARC A VAPEUR D'HALOGENE DE METAL.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/956,950 US4383197A (en) | 1978-11-02 | 1978-11-02 | Metal halide arc discharge lamp having shielded electrode |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2440613A1 true FR2440613A1 (fr) | 1980-05-30 |
FR2440613B3 FR2440613B3 (fr) | 1981-08-14 |
Family
ID=25498888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7926781A Granted FR2440613A1 (fr) | 1978-11-02 | 1979-10-29 | Lampe a decharge a electrodes protegees |
Country Status (7)
Country | Link |
---|---|
US (1) | US4383197A (fr) |
BE (1) | BE879747A (fr) |
CA (1) | CA1149001A (fr) |
DE (1) | DE2943813A1 (fr) |
FR (1) | FR2440613A1 (fr) |
GB (1) | GB2042792B (fr) |
NL (1) | NL7908006A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0164803A1 (fr) * | 1984-06-12 | 1985-12-18 | Koninklijke Philips Electronics N.V. | Lampe à décharge à sodium à haute pression |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4739227A (en) * | 1986-09-26 | 1988-04-19 | General Electric Company | Fluorescent lamp dimming over large light output range |
DE4122694A1 (de) * | 1990-07-20 | 1992-01-23 | Samsung Electronic Devices | Metallhalogenlampe |
MXPA06005142A (es) * | 2003-11-10 | 2007-01-26 | Inoflate Llc | Metodo y dispositivo para presurizar envases. |
US7893617B2 (en) * | 2006-03-01 | 2011-02-22 | General Electric Company | Metal electrodes for electric plasma discharge devices |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2008066A (en) * | 1933-02-17 | 1935-07-16 | Quarzlampen Gmbh | Gas or vapor discharge tube |
US2725495A (en) * | 1951-06-04 | 1955-11-29 | Westinghouse Electric Corp | Discharge lamp |
US2812465A (en) * | 1954-05-10 | 1957-11-05 | Kenneth J Germeshausen | Gaseous-discharge device |
US3109952A (en) * | 1962-03-15 | 1963-11-05 | Norman C Beese | High intensity short arc lamp having an annular cathode shield |
NL162244C (nl) * | 1970-12-25 | 1980-04-15 | Philips Nv | Lagedrukkwikdampontladingslamp. |
US3761758A (en) * | 1972-01-27 | 1973-09-25 | Gte Sylvania Inc | Metal halide lamp containing mercury, light emitting metal, sodium and another alkali metal |
US4056751A (en) * | 1976-03-22 | 1977-11-01 | Gte Sylvania Incorporated | Metal halide discharge lamp having optimum electrode location |
US4056750A (en) * | 1976-12-17 | 1977-11-01 | Gte Sylvania Incorporated | Mercury dispenser for discharge lamps |
US4117374A (en) * | 1976-12-23 | 1978-09-26 | General Electric Company | Fluorescent lamp with opposing inversere cone electrodes |
-
1978
- 1978-11-02 US US05/956,950 patent/US4383197A/en not_active Expired - Lifetime
-
1979
- 1979-10-26 CA CA000338528A patent/CA1149001A/fr not_active Expired
- 1979-10-29 FR FR7926781A patent/FR2440613A1/fr active Granted
- 1979-10-30 DE DE19792943813 patent/DE2943813A1/de active Granted
- 1979-10-31 BE BE2/58171A patent/BE879747A/fr not_active IP Right Cessation
- 1979-11-01 GB GB7937883A patent/GB2042792B/en not_active Expired
- 1979-11-01 NL NL7908006A patent/NL7908006A/nl not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0164803A1 (fr) * | 1984-06-12 | 1985-12-18 | Koninklijke Philips Electronics N.V. | Lampe à décharge à sodium à haute pression |
Also Published As
Publication number | Publication date |
---|---|
FR2440613B3 (fr) | 1981-08-14 |
NL7908006A (nl) | 1980-05-07 |
BE879747A (fr) | 1980-02-15 |
DE2943813C2 (fr) | 1989-03-09 |
GB2042792B (en) | 1982-12-01 |
DE2943813A1 (de) | 1980-05-14 |
US4383197A (en) | 1983-05-10 |
GB2042792A (en) | 1980-09-24 |
CA1149001A (fr) | 1983-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name |