FR2369680A1 - LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP - Google Patents
LOW PRESSURE MERCURY VAPOR DISCHARGE LAMPInfo
- Publication number
- FR2369680A1 FR2369680A1 FR7732889A FR7732889A FR2369680A1 FR 2369680 A1 FR2369680 A1 FR 2369680A1 FR 7732889 A FR7732889 A FR 7732889A FR 7732889 A FR7732889 A FR 7732889A FR 2369680 A1 FR2369680 A1 FR 2369680A1
- Authority
- FR
- France
- Prior art keywords
- low pressure
- discharge lamp
- pressure mercury
- mercury vapor
- vapor discharge
- 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
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Luminescent Compositions (AREA)
Abstract
Lampe comportant un tube à décharge dont la longueur nominale est de 60 à 150 cm et qui consomme en régime une puissance nominale de 0,25 à 0,50 watt/cm. Le tube est muni d'une couche luminescente contenant au moins un aluminate luminescent présentant la structure cristalline hexagonale, qui est liée à la structure des ferrites hexagonales. Le tube présente un diamètre externe de 20 à 28 mm. Application : éclairage.Lamp comprising a discharge tube the nominal length of which is 60 to 150 cm and which consumes a nominal power of 0.25 to 0.50 watt / cm under operating conditions. The tube is provided with a luminescent layer containing at least one luminescent aluminate having the hexagonal crystal structure, which is bonded to the structure of the hexagonal ferrites. The tube has an external diameter of 20 to 28 mm. Application: lighting.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7612158A NL7612158A (en) | 1976-11-02 | 1976-11-02 | LOW-PRESSURE MERCURY DISCHARGE LAMP. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2369680A1 true FR2369680A1 (en) | 1978-05-26 |
FR2369680B1 FR2369680B1 (en) | 1982-10-15 |
Family
ID=19827158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7732889A Granted FR2369680A1 (en) | 1976-11-02 | 1977-11-02 | LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5358176A (en) |
BE (1) | BE860369A (en) |
BR (1) | BR7707264A (en) |
DE (1) | DE2747259C2 (en) |
ES (1) | ES463748A1 (en) |
FR (1) | FR2369680A1 (en) |
GB (1) | GB1565129A (en) |
IT (1) | IT1088175B (en) |
NL (1) | NL7612158A (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3449258A (en) * | 1965-07-22 | 1969-06-10 | Westinghouse Electric Corp | Method for preparing europium activated yttrium oxide and gadolinium oxide phosphors |
CA971214A (en) * | 1971-11-12 | 1975-07-15 | Matsushita Electronics Corporation | Fluorescent tube for lamp |
NL164697C (en) * | 1973-10-05 | 1981-01-15 | Philips Nv | LOW-PRESSURE MERCURY DISCHARGE LAMP. |
-
1976
- 1976-11-02 NL NL7612158A patent/NL7612158A/en active Search and Examination
-
1977
- 1977-10-21 DE DE19772747259 patent/DE2747259C2/en not_active Expired
- 1977-10-28 GB GB4500877A patent/GB1565129A/en not_active Expired
- 1977-10-31 IT IT2923277A patent/IT1088175B/en active
- 1977-10-31 BE BE182259A patent/BE860369A/en unknown
- 1977-10-31 JP JP12982177A patent/JPS5358176A/en active Pending
- 1977-10-31 ES ES463748A patent/ES463748A1/en not_active Expired
- 1977-10-31 BR BR7707264A patent/BR7707264A/en unknown
- 1977-11-02 FR FR7732889A patent/FR2369680A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
ES463748A1 (en) | 1978-06-16 |
DE2747259A1 (en) | 1978-05-03 |
FR2369680B1 (en) | 1982-10-15 |
BR7707264A (en) | 1978-07-18 |
NL7612158A (en) | 1978-05-05 |
BE860369A (en) | 1978-05-02 |
GB1565129A (en) | 1980-04-16 |
DE2747259C2 (en) | 1982-10-07 |
IT1088175B (en) | 1985-06-10 |
JPS5358176A (en) | 1978-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |