US4220896A
(en)
*
|
1978-08-16 |
1980-09-02 |
The United States Of America As Represented By The Secretary Of The Interior |
High frequency lighting inverter with constant power ballast
|
US4170747A
(en)
*
|
1978-09-22 |
1979-10-09 |
Esquire, Inc. |
Fixed frequency, variable duty cycle, square wave dimmer for high intensity gaseous discharge lamp
|
KR810000566B1
(ko)
*
|
1980-02-29 |
1981-06-01 |
(주)금파전자 연구소 |
전자식 형광등 안정기
|
KR810001421B1
(ko)
*
|
1980-03-18 |
1981-10-20 |
주식회사 금파전자 연구소 |
전자식 형광등 안정기
|
WO1981003731A1
(fr)
*
|
1980-06-10 |
1981-12-24 |
Kaunassk Polt Inst Antanasa |
Systeme d'eclairage
|
US4508996A
(en)
*
|
1980-06-23 |
1985-04-02 |
Brigham Young University |
High frequency supply system for gas discharge lamps and electronic ballast therefor
|
USRE33057E
(en)
*
|
1980-06-23 |
1989-09-12 |
Brigham Young University |
High frequency supply system for gas discharge lamps and electronic ballast therefor
|
DE3025421C2
(de)
*
|
1980-07-04 |
1985-03-21 |
Siemens AG, 1000 Berlin und 8000 München |
Schaltungsanordnung zur Versorgung einer Gasentladungslampe aus einem Wechselstromnetz
|
US5691603A
(en)
*
|
1980-08-14 |
1997-11-25 |
Nilssen; Ole K. |
Electronic ballast with multiple lamp loads
|
US4513364A
(en)
*
|
1980-08-14 |
1985-04-23 |
Nilssen Ole K |
Thermally controllable variable frequency inverter
|
US6198228B1
(en)
*
|
1980-08-14 |
2001-03-06 |
Ole K. Nilssen |
Plug-in fluorescent lighting system
|
AT389614B
(de)
|
1981-03-12 |
1990-01-10 |
Zumtobel Ag |
Vorschaltgeraet fuer wenigstens einen durch einen generator periodisch gezuendeten und gespeisten verbraucher
|
NL8102364A
(nl)
*
|
1981-05-14 |
1982-12-01 |
Philips Nv |
Elektrische inrichting voor het ontsteken en voeden van een van twee voorverhitbare elektroden voorziene gas- en/of dampontladingslamp.
|
US4399391A
(en)
*
|
1981-06-10 |
1983-08-16 |
General Electric Company |
Circuit for starting and operating fluorescent lamps
|
JPS5846598A
(ja)
*
|
1981-09-14 |
1983-03-18 |
松下電工株式会社 |
蛍光灯点灯装置
|
US4855860A
(en)
*
|
1982-08-30 |
1989-08-08 |
Nilssen Ole K |
Ground-fault protected ballast
|
US4563719A
(en)
*
|
1982-08-30 |
1986-01-07 |
Nilssen Ole K |
Ballasts with built-in ground-fault protection
|
EP0113855A1
(en)
*
|
1982-12-16 |
1984-07-25 |
NILSSEN, Ole Kristian |
Limited-power fluorescent ceiling lighting system
|
US5977721A
(en)
*
|
1983-02-22 |
1999-11-02 |
Nilssen; Ole K. |
Controlled power-factor-corrected ballast
|
US4709190A
(en)
*
|
1983-09-22 |
1987-11-24 |
Isco, Inc. |
Method for operating an absorbance monitor
|
US4587463A
(en)
*
|
1983-09-22 |
1986-05-06 |
Isco, Inc. |
Absorbance monitor
|
US4544863A
(en)
*
|
1984-03-22 |
1985-10-01 |
Ken Hashimoto |
Power supply apparatus for fluorescent lamp
|
GB2172451B
(en)
*
|
1985-02-07 |
1989-06-14 |
El Co Villamos Keszulekek Es S |
Circuit system for igniting and lighting a high-pressure discharge lamp particulary a sodium vapour lamp
|
US4641061A
(en)
*
|
1985-04-22 |
1987-02-03 |
Emerson Electric Co. |
Solid state ballast for gaseous discharge lamps
|
US4888525A
(en)
*
|
1985-05-17 |
1989-12-19 |
Nilssen Ole K |
Sun tanning apparatus having electronic operating system
|
US4717863A
(en)
*
|
1986-02-18 |
1988-01-05 |
Zeiler Kenneth T |
Frequency modulation ballast circuit
|
FR2607996B1
(fr)
*
|
1986-12-04 |
1989-03-10 |
Perche Ets |
Procede et dispositif pour l'allumage de lampes a decharge
|
KR910700598A
(ko)
*
|
1989-02-10 |
1991-03-15 |
에타 인더스트리스, 인코포레이티드 |
가스방전램프를 구동 및 제어하기 위한 회로와 그 방법
|
US5289083A
(en)
*
|
1989-04-03 |
1994-02-22 |
Etta Industries, Inc. |
Resonant inverter circuitry for effecting fundamental or harmonic resonance mode starting of a gas discharge lamp
|
GB2230911A
(en)
*
|
1989-04-25 |
1990-10-31 |
Francis Kiarie Gathige |
Electrical circuits
|
DE3925993A1
(de)
*
|
1989-08-05 |
1991-02-07 |
Bosch Gmbh Robert |
Verfahren zum zuenden einer gasentladungslampe
|
US5021717A
(en)
*
|
1989-10-02 |
1991-06-04 |
Nilssen Ole K |
Operating system for multiple fluorescent lamps
|
EP0442572B1
(en)
*
|
1990-02-14 |
1995-05-03 |
Koninklijke Philips Electronics N.V. |
Circuit arrangement
|
US5021714A
(en)
*
|
1990-05-10 |
1991-06-04 |
Valmont Industries, Inc. |
Circuit for starting and operating fluorescent lamps
|
GB2267788B
(en)
*
|
1992-06-04 |
1997-01-29 |
Strand Lighting Ltd |
Dimming system, and dimmer therefor
|
ATE147925T1
(de)
*
|
1992-08-20 |
1997-02-15 |
Philips Electronics Nv |
Verschaltgerät für eine lampe
|
GB2279187A
(en)
*
|
1993-06-19 |
1994-12-21 |
Thorn Lighting Ltd |
Fluorescent lamp starting and operating circuit
|
US5686799A
(en)
*
|
1994-03-25 |
1997-11-11 |
Pacific Scientific Company |
Ballast circuit for compact fluorescent lamp
|
US6037722A
(en)
*
|
1994-09-30 |
2000-03-14 |
Pacific Scientific |
Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp
|
US5691606A
(en)
*
|
1994-09-30 |
1997-11-25 |
Pacific Scientific Company |
Ballast circuit for fluorescent lamp
|
US5821699A
(en)
*
|
1994-09-30 |
1998-10-13 |
Pacific Scientific |
Ballast circuit for fluorescent lamps
|
US5596247A
(en)
*
|
1994-10-03 |
1997-01-21 |
Pacific Scientific Company |
Compact dimmable fluorescent lamps with central dimming ring
|
US6188179B1
(en)
*
|
1995-10-24 |
2001-02-13 |
Auckland Uniservices Limited |
Induction circuits for lighting
|
US5925986A
(en)
*
|
1996-05-09 |
1999-07-20 |
Pacific Scientific Company |
Method and apparatus for controlling power delivered to a fluorescent lamp
|
US5866993A
(en)
*
|
1996-11-14 |
1999-02-02 |
Pacific Scientific Company |
Three-way dimming ballast circuit with passive power factor correction
|
US5798617A
(en)
*
|
1996-12-18 |
1998-08-25 |
Pacific Scientific Company |
Magnetic feedback ballast circuit for fluorescent lamp
|
US5923129A
(en)
*
|
1997-03-14 |
1999-07-13 |
Linfinity Microelectronics |
Apparatus and method for starting a fluorescent lamp
|
US5930121A
(en)
*
|
1997-03-14 |
1999-07-27 |
Linfinity Microelectronics |
Direct drive backlight system
|
EP0926928B1
(en)
*
|
1997-04-17 |
2005-01-05 |
Toshiba Lighting & Technology Corporation |
Discharge lamp lighting device and illumination device
|
US6160362A
(en)
*
|
1998-01-07 |
2000-12-12 |
Philips Electronics North America Corporation |
Ignition scheme for a high intensity discharge lamp
|
EP0984670B1
(en)
|
1998-06-13 |
2009-12-09 |
Greenwood Soar IP Limited |
High intensity discharge lamp ballast
|
US6495971B1
(en)
|
1998-06-13 |
2002-12-17 |
Hatch Transformers, Inc. |
High intensity discharge lamp ballast
|
DE19924693A1
(de)
*
|
1999-05-28 |
2001-01-04 |
Amos Lichttechnik Gmbh |
Elektronisches Vorschaltgerät für Kaltkathodenlampen mit Resonanzkreis zur Hochspannungserzeugung
|
US6198234B1
(en)
|
1999-06-09 |
2001-03-06 |
Linfinity Microelectronics |
Dimmable backlight system
|
DE10124636A1
(de)
*
|
2001-05-18 |
2002-11-21 |
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh |
Betriebsgerät für Entladungslampen mit sicherer Zündung
|
US6979959B2
(en)
|
2002-12-13 |
2005-12-27 |
Microsemi Corporation |
Apparatus and method for striking a fluorescent lamp
|
US7187139B2
(en)
|
2003-09-09 |
2007-03-06 |
Microsemi Corporation |
Split phase inverters for CCFL backlight system
|
US7183727B2
(en)
|
2003-09-23 |
2007-02-27 |
Microsemi Corporation |
Optical and temperature feedbacks to control display brightness
|
US7468722B2
(en)
|
2004-02-09 |
2008-12-23 |
Microsemi Corporation |
Method and apparatus to control display brightness with ambient light correction
|
US7112929B2
(en)
|
2004-04-01 |
2006-09-26 |
Microsemi Corporation |
Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system
|
US7755595B2
(en)
|
2004-06-07 |
2010-07-13 |
Microsemi Corporation |
Dual-slope brightness control for transflective displays
|
TWM265641U
(en)
*
|
2004-06-09 |
2005-05-21 |
Rilite Corportation |
Double shielded electroluminescent panel
|
US7414371B1
(en)
|
2005-11-21 |
2008-08-19 |
Microsemi Corporation |
Voltage regulation loop with variable gain control for inverter circuit
|
WO2007126737A2
(en)
*
|
2006-04-03 |
2007-11-08 |
Ceelite Llc |
Constant brightness control for electro-luminescent lamp
|
US7589480B2
(en)
*
|
2006-05-26 |
2009-09-15 |
Greenwood Soar Ip Ltd. |
High intensity discharge lamp ballast
|
US7443105B2
(en)
*
|
2006-06-15 |
2008-10-28 |
American Electric Cord, Inc. |
Ballast circuit for gas discharge lamps
|
US7569998B2
(en)
|
2006-07-06 |
2009-08-04 |
Microsemi Corporation |
Striking and open lamp regulation for CCFL controller
|
JP4956315B2
(ja)
*
|
2007-07-26 |
2012-06-20 |
パナソニック株式会社 |
放電灯点灯装置及び照明器具
|
US8093839B2
(en)
|
2008-11-20 |
2012-01-10 |
Microsemi Corporation |
Method and apparatus for driving CCFL at low burst duty cycle rates
|