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*
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1964-06-30 |
1967-02-28 |
Westinghouse Electric Corp |
Electric discharge lamp
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US3445721A
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*
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1966-07-01 |
1969-05-20 |
Sylvania Electric Prod |
Electric discharge lamp with the starting resistor impedance twice that of the lamp impedance
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US3619710A
(en)
*
|
1969-10-29 |
1971-11-09 |
Sylvania Electric Prod |
High-pressure electric discharge lamp having electrolysis-preventing means
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GB1343780A
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*
|
1970-06-26 |
1974-01-16 |
Thorn Electrical Ind Ltd |
Discharge lamps
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US3965387A
(en)
*
|
1974-06-24 |
1976-06-22 |
General Electric Company |
Electric lamp and thermal switch therefore
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US3909660A
(en)
*
|
1974-08-08 |
1975-09-30 |
Gen Electric |
Metal halide discharge lamp starting electrode
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DE2517818A1
(en)
*
|
1975-04-22 |
1976-11-04 |
Patra Patent Treuhand |
IGNITION AND OPERATING DEVICE FOR A HIGH PRESSURE DISCHARGE LAMP
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US4001634A
(en)
*
|
1975-09-02 |
1977-01-04 |
General Electric Company |
Discharge lamp having thermal switch starter
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US4024423A
(en)
*
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1975-10-06 |
1977-05-17 |
North American Philips Corporation |
Electric discharge tube having variable electrode area
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JPS5267174A
(en)
*
|
1975-12-02 |
1977-06-03 |
Iwasaki Electric Co Ltd |
High voltage discharge lamp containing starter circuit
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US4437039A
(en)
*
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1978-10-03 |
1984-03-13 |
North American Philips Electric Corp. |
Starting arrangement for high-intensity-discharge sodium lamp
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US4191910A
(en)
*
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1978-10-03 |
1980-03-04 |
Westinghouse Electric Corp. |
Starting arrangement for high pressure discharge sodium lamp
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NL7902634A
(en)
*
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1979-04-04 |
1980-10-07 |
Philips Nv |
Discharge lamp.
|
US4258289A
(en)
*
|
1979-05-09 |
1981-03-24 |
Westinghouse Electric Corp. |
Metal halide lamp for operation with a mercury ballast
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US4322658A
(en)
*
|
1980-03-19 |
1982-03-30 |
General Electric Company |
High intensity discharge lamp containing electronic starting aid
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JPS6034223B2
(en)
*
|
1980-06-18 |
1985-08-07 |
株式会社東芝 |
metal vapor discharge lamp
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DE3324081A1
(en)
*
|
1983-07-04 |
1985-01-17 |
Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München |
Mercury-vapour high-pressure discharge lamp
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US4721888A
(en)
*
|
1984-12-27 |
1988-01-26 |
Gte Laboratories Incorporated |
Arc discharge lamp with ultraviolet enhanced starting circuit
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DE3619068C2
(en)
*
|
1986-06-06 |
1996-08-22 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Compact metal halide discharge lamp
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US5003214A
(en)
*
|
1986-12-19 |
1991-03-26 |
Gte Products Corporation |
Metal halide lamp having reflective coating on the arc tube
|
US4818915A
(en)
*
|
1987-10-22 |
1989-04-04 |
Gte Products Corporation |
Arc discharge lamp with ultraviolet radiation starting source
|
US4812714A
(en)
*
|
1987-10-22 |
1989-03-14 |
Gte Products Corporation |
Arc discharge lamp with electrodeless ultraviolet radiation starting source
|
US5015916A
(en)
*
|
1989-12-18 |
1991-05-14 |
General Electric Company |
Electric discharge lamp and thermal switch starter means therefor
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US5173639A
(en)
*
|
1990-12-27 |
1992-12-22 |
Gte Products Corporation |
Thermal switch assembly for electric lamps
|
US5323091A
(en)
*
|
1992-11-04 |
1994-06-21 |
Gte Products Corporation |
Starting source for arc discharge lamps
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US5323087A
(en)
*
|
1992-11-20 |
1994-06-21 |
Gte Products Corporation |
Ultraviolet radiation starting source and lamp containing same
|
US5248273A
(en)
*
|
1992-11-25 |
1993-09-28 |
Gte Products Corporation |
Method of fabricating ultraviolet radiation starting source
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DE19925232A1
(en)
*
|
1999-06-01 |
2000-12-07 |
Siemens Ag |
Lamp arrangement emits reduced noise field so that it can be operated at high frequencies, esp. above 10 MHz
|