US1963963A
(en)
|
1931-06-01 |
1934-06-26 |
Fed Electric Co |
Discharge apparatus and method
|
US2139815A
(en)
|
1935-08-21 |
1938-12-13 |
Fodor Joseph |
Sign
|
CH559998A5
(ja)
|
1974-03-28 |
1975-03-14 |
Knobel Elektro App |
|
US4005330A
(en)
|
1975-01-20 |
1977-01-25 |
General Electric Company |
Electrodeless fluorescent lamp
|
US4010400A
(en)
|
1975-08-13 |
1977-03-01 |
Hollister Donald D |
Light generation by an electrodeless fluorescent lamp
|
US4857806A
(en)
|
1980-08-14 |
1989-08-15 |
Nilssen Ole K |
Self-ballasted screw-in fluorescent lamp
|
GB2030388A
(en)
*
|
1978-09-05 |
1980-04-02 |
Thorn Electrical Ind Ltd |
Lamp drive circuits for cine film projectors or cameras
|
US4189661A
(en)
|
1978-11-13 |
1980-02-19 |
Gte Laboratories Incorporated |
Electrodeless fluorescent light source
|
US4196374A
(en)
|
1978-12-14 |
1980-04-01 |
General Electric Company |
Compact fluorescent lamp and method of making
|
US4266167A
(en)
|
1979-11-09 |
1981-05-05 |
Gte Laboratories Incorporated |
Compact fluorescent light source and method of excitation thereof
|
USRE33057E
(en)
|
1980-06-23 |
1989-09-12 |
Brigham Young University |
High frequency supply system for gas discharge lamps and electronic ballast therefor
|
US5426347A
(en)
*
|
1980-08-14 |
1995-06-20 |
Nilssen; Ole K. |
Lighting system with emergency standby feature
|
US5512801A
(en)
|
1980-08-14 |
1996-04-30 |
Nilssen; Ole K. |
Ballast for instant-start parallel-connected lamps
|
US4427923A
(en)
|
1981-10-01 |
1984-01-24 |
Gte Laboratories Inc. |
Electrodeless fluorescent light source
|
US4461981A
(en)
*
|
1981-12-26 |
1984-07-24 |
Mitsubishi Denki Kabushiki Kaisha |
Low pressure inert gas discharge device
|
US4410930A
(en)
|
1982-02-05 |
1983-10-18 |
Gladwin, Inc. |
Photo voltaic lighting for outdoor telephone booth
|
US4630005A
(en)
|
1982-05-03 |
1986-12-16 |
Brigham Young University |
Electronic inverter, particularly for use as ballast
|
US4625742A
(en)
*
|
1983-12-27 |
1986-12-02 |
Phillips Jerry G |
Multi-function lighted walking cane
|
US4798997A
(en)
*
|
1985-12-26 |
1989-01-17 |
Canon Kabushiki Kaisha |
Lighting device
|
DE3611611A1
(de)
|
1986-04-07 |
1987-10-08 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Schaltungsanordnung zum hochfrequenten betrieb einer niederdruckentladungslampe
|
DE3623749A1
(de)
|
1986-07-14 |
1988-01-21 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Schaltungsanordnung zum betrieb von niederdruckentladungslampen
|
DE3805510A1
(de)
|
1988-02-22 |
1989-08-31 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Schaltungsanordnung zum betrieb einer niederdruckentladungslampe
|
US4920299A
(en)
*
|
1988-04-27 |
1990-04-24 |
General Electric Company |
Push-pull fluorescent dimming circuit
|
DE3829388A1
(de)
|
1988-08-30 |
1990-03-01 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Schaltungsanordnung zum betrieb einer last
|
WO1990011672A1
(en)
*
|
1989-03-27 |
1990-10-04 |
Toshiba Lighting & Technology Corporation |
Device for lighting a discharge lamp
|
US4973885A
(en)
|
1989-04-10 |
1990-11-27 |
Davis Controls Corporation |
Low voltage direct current (DC) powered fluorescent lamp
|
US5001386B1
(en)
*
|
1989-12-22 |
1996-10-15 |
Lutron Electronics Co |
Circuit for dimming gas discharge lamps without introducing striations
|
WO1992003899A1
(en)
*
|
1990-08-24 |
1992-03-05 |
Coolite Limited |
Fluorescent tube driver and lighting system
|
DE4115077A1
(de)
*
|
1991-05-08 |
1992-11-12 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Hochdruckentladungslampe
|
JPH04342951A
(ja)
*
|
1991-05-20 |
1992-11-30 |
Sony Corp |
冷陰極蛍光放電管
|
DE4129430A1
(de)
|
1991-09-04 |
1993-03-11 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Schaltungsanordnung zum betrieb einer lampe
|
US5408162A
(en)
|
1992-03-26 |
1995-04-18 |
Linear Technology Corporation |
Fluorescent lamp power supply and control unit
|
US5548189A
(en)
|
1992-03-26 |
1996-08-20 |
Linear Technology Corp. |
Fluorescent-lamp excitation circuit using a piezoelectric acoustic transformer and methods for using same
|
US5300860A
(en)
|
1992-10-16 |
1994-04-05 |
Gte Products Corporation |
Capacitively coupled RF fluorescent lamp with RF magnetic enhancement
|
US5325024A
(en)
|
1992-10-16 |
1994-06-28 |
Gte Products Corporation |
Light source including parallel driven low pressure RF fluorescent lamps
|
US5359263A
(en)
|
1992-11-20 |
1994-10-25 |
Remtech Company |
Tuned LRC ballasting circuit for compact fluorescent lighting
|
US5365145A
(en)
*
|
1993-08-09 |
1994-11-15 |
Gael, Inc. |
Emergency lighting system
|
DE9318071U1
(de)
*
|
1993-11-25 |
1995-03-23 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Schaltungsanordnung zum Betrieb einer Niederdruckentladungslampe an einer Niedervolt-Spannungsquelle
|
US5666031A
(en)
*
|
1994-03-16 |
1997-09-09 |
Osram Sylvania Inc. |
Neon gas discharge lamp and method of pulsed operation
|
DE4410492A1
(de)
|
1994-03-25 |
1995-09-28 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Schaltungsanordnung zum Betrieb von Niederdruckentladungslampen
|
US5581161A
(en)
|
1994-07-13 |
1996-12-03 |
Gong; Mingfu |
DC coupled electronic ballast with a larger DC and smaller AC signal
|
US5578907A
(en)
|
1994-09-19 |
1996-11-26 |
Tao; Kuang Z. |
Power supply circuit
|
US5905339A
(en)
*
|
1995-12-29 |
1999-05-18 |
Philips Electronics North America Corporation |
Gas discharge lamp having an electrode with a low heat capacity tip
|
US5684367A
(en)
*
|
1996-01-16 |
1997-11-04 |
Osram Sylvania Inc. |
Color control and arc stabilization for high-intensity, discharge lamps
|
JP2981993B2
(ja)
*
|
1997-04-15 |
1999-11-22 |
ローム株式会社 |
液晶バックライト照明装置および液晶表示装置
|
US6034485A
(en)
*
|
1997-11-05 |
2000-03-07 |
Parra; Jorge M. |
Low-voltage non-thermionic ballast-free energy-efficient light-producing gas discharge system and method
|
US6144175A
(en)
*
|
1997-11-05 |
2000-11-07 |
Parra; Jorge M. |
Low-voltage ballast-free energy-efficient ultraviolet material treatment and purification system and method
|
US5914843A
(en)
*
|
1997-12-03 |
1999-06-22 |
France/Scott Fetzer Company |
Neon power supply with improved ground fault protection circuit
|