JPS568982B2 - - Google Patents
Info
- Publication number
- JPS568982B2 JPS568982B2 JP12036775A JP12036775A JPS568982B2 JP S568982 B2 JPS568982 B2 JP S568982B2 JP 12036775 A JP12036775 A JP 12036775A JP 12036775 A JP12036775 A JP 12036775A JP S568982 B2 JPS568982 B2 JP S568982B2
- Authority
- JP
- Japan
- 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.)
- Expired
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
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
Landscapes
- Discharge Lamp (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/512,705 US3937996A (en) | 1974-10-07 | 1974-10-07 | Metal halide lamp using loop electrodes |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5163580A JPS5163580A (ja) | 1976-06-02 |
JPS568982B2 true JPS568982B2 (ja) | 1981-02-26 |
Family
ID=24040201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12036775A Expired JPS568982B2 (ja) | 1974-10-07 | 1975-10-07 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3937996A (ja) |
JP (1) | JPS568982B2 (ja) |
GB (1) | GB1527903A (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4105908A (en) * | 1976-04-30 | 1978-08-08 | General Electric Company | Metal halide lamp having open tungsten coil electrodes |
US4161672A (en) * | 1977-07-05 | 1979-07-17 | General Electric Company | High pressure metal vapor discharge lamps of improved efficacy |
US4199701A (en) * | 1978-08-10 | 1980-04-22 | General Electric Company | Fill gas for miniature high pressure metal vapor arc lamp |
US4340836A (en) * | 1978-09-11 | 1982-07-20 | General Electric Company | Electrode for miniature high pressure metal halide lamp |
NL7902574A (nl) * | 1979-04-03 | 1980-10-07 | Philips Nv | Hogedrukontladingslamp. |
US4320322A (en) * | 1980-03-24 | 1982-03-16 | Gte Products Corporation | Electrode geometry to improve arc stability |
US4893057A (en) * | 1983-05-10 | 1990-01-09 | North American Philips Corp. | High intensity discharge lamp and electodes for such a lamp |
US4808876A (en) * | 1986-02-04 | 1989-02-28 | General Electric Company | Metal halide lamp |
DE3616192A1 (de) * | 1986-05-14 | 1987-11-19 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Hochdruckentladungslampe und verfahren zum betrieb der hochdruckentladungslampe |
US4798995A (en) * | 1986-10-06 | 1989-01-17 | General Electric Company | Metal halide lamp containing halide composition to control arc tube performance |
US4918352A (en) * | 1988-11-07 | 1990-04-17 | General Electric Company | Metal halide lamps with oxidized frame parts |
US5471110A (en) * | 1991-12-23 | 1995-11-28 | Philips Electronics North America Corporation | High pressure discharge lamp having filament electrodes |
WO2005010910A2 (en) * | 2003-07-21 | 2005-02-03 | Advanced Lighting Technologies, Inc. | Dopant-free tungsten electrodes in metal halide lamps |
US7893617B2 (en) * | 2006-03-01 | 2011-02-22 | General Electric Company | Metal electrodes for electric plasma discharge devices |
US8035304B2 (en) * | 2008-03-06 | 2011-10-11 | General Electric Company | Ceramic high intensity discharge lamp having uniquely shaped shoulder |
US20120098423A1 (en) * | 2009-05-07 | 2012-04-26 | Koninklijke Philips Electronics N.V. | Mercury-free high-intensity gas-discharge lamp |
CN101813247B (zh) * | 2009-12-02 | 2011-11-30 | 宁波亚茂照明电器有限公司 | 内触发荧光高压钠灯 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2123015A (en) * | 1936-04-01 | 1938-07-05 | Westinghouse Electric & Mfg Co | Seal for discharge lamps |
GB1051170A (ja) * | 1963-05-02 | |||
US3356884A (en) * | 1964-06-30 | 1967-12-05 | Westinghouse Electric Corp | Electrode starting arrangement having a coiled heating element connected to the retroverted portion of the electrode |
NL7003279A (ja) * | 1970-03-07 | 1971-09-09 |
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1974
- 1974-10-07 US US05/512,705 patent/US3937996A/en not_active Expired - Lifetime
-
1975
- 1975-09-25 GB GB39333/75A patent/GB1527903A/en not_active Expired
- 1975-10-07 JP JP12036775A patent/JPS568982B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5163580A (ja) | 1976-06-02 |
US3937996A (en) | 1976-02-10 |
GB1527903A (en) | 1978-10-11 |