against abnormal lamp operating conditions

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CPC
H05B41/2985

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HELECTRICITY H05Electric techniques H05BELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps

Current Industry

H05B41/2985against abnormal lamp operating conditions

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Filament miswire protection in an electronic dimming ballast
- Patent number 9,414,472
- Issue date Aug 9, 2016
- Lutron Electronics Co., Inc.
- Brent M. Gawrys
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power circuit for a gas discharge lamp
- Patent number 9,363,873
- Issue date Jun 7, 2016
- N.V. Nederlandsche Apparatenfabriek NEDAP
- Gerrit Hendrik Van Eerden
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast and startup method
- Patent number 9,210,783
- Issue date Dec 8, 2015
- KONINKLIJKE PHILIP N.V.
- Yuhong Fang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Relamping circuit
- Patent number 9,192,035
- Issue date Nov 17, 2015
- General Electric Company
- Zhu Mao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Constant voltage dimmable LED driver
- Patent number 9,049,762
- Issue date Jun 2, 2015
- Gang Gary Liu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Relamping circuit for fluorescent ballasts
- Patent number 8,981,656
- Issue date Mar 17, 2015
- General Electric Company
- James Dominic Mieskoski
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Detect method for step dimming selection
- Patent number 8,836,238
- Issue date Sep 16, 2014
- OSRAM Gesellschaft mit beschraenkter Haftung
- Wei Gao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving apparatus for fluorescent tube and method thereof and illum...
- Patent number 8,760,084
- Issue date Jun 24, 2014
- Beyond Innovation Technology Co., Ltd.
- Chiu-Yuan Lin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Detector circuit and method for controlling a fluorescent lamp
- Patent number 8,736,188
- Issue date May 27, 2014
- OSRAM Gesellschaft mit beschraenkter Haftung
- Juergen Klier
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Filament detection circuit
- Patent number 8,659,240
- Issue date Feb 25, 2014
- Osram AG
- Junying Wang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast for fluorescent emergency lighting
- Patent number 8,629,574
- Issue date Jan 14, 2014
- Cooper Technologies Company
- Kevin Porter
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Asymmetric end-of-life protection circuit for fluorescent lamp ball...
- Patent number 8,564,216
- Issue date Oct 22, 2013
- Universal Lighting Technologies, Inc.
- Giovanni Gallegos
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Constant voltage dimmable LED driver
- Patent number 8,497,637
- Issue date Jul 30, 2013
- Gang Gary Liu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of striking a lamp in an electronic dimming ballast circuit
- Patent number 8,441,197
- Issue date May 14, 2013
- Lutron Electronics Co., Inc.
- Mark S. Taipale
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Occupancy sensors programmed to determine loss of lamp life as lamp...
- Patent number 8,410,896
- Issue date Apr 2, 2013
- ABL IP Holding, LLC
- Ryan A. Zaveruha
- F21 - LIGHTING
Information Patent Grant
End-of-life circuit for fluorescent lamp ballasts
- Patent number 8,384,310
- Issue date Feb 26, 2013
- General Electric Company
- Louis Robert Nerone
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
End of lamp life protection circuit with bi-level detections for th...
- Patent number 8,378,592
- Issue date Feb 19, 2013
- Delta Electronics, Inc.
- Ching-Ho Chou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for detection of non-zero-voltage switching operation of a b...
- Patent number 8,378,590
- Issue date Feb 19, 2013
- Infineon Technologies AG
- Martin Feldtkeller
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast with end-of-life protection for one or more lamps
- Patent number 8,362,701
- Issue date Jan 29, 2013
- General Electric Company
- Gang Yao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Backlight device and method for LCD displays
- Patent number 8,344,993
- Issue date Jan 1, 2013
- Stanley Electric Co., Ltd.
- Masayuki Kanechika
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dimming electronic ballast with lamp end of life detection
- Patent number 8,344,628
- Issue date Jan 1, 2013
- Panasonic Corporation
- Naokage Kishimoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit for controlling a fluorescent lamp, method for operating th...
- Patent number 8,319,446
- Issue date Nov 27, 2012
- Osram AG
- Wolfgang Hierl
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power conversion driving circuit and fluorescent lamp driving circuit
- Patent number 8,310,169
- Issue date Nov 13, 2012
- Green Solution Technology Co., Ltd.
- Chung-Che Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter device and driving method thereof
- Patent number 8,274,235
- Issue date Sep 25, 2012
- Fairchild Korea Semiconductor Ltd.
- Jae-Soon Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast with lamp filament detection
- Patent number 8,247,997
- Issue date Aug 21, 2012
- Osram Sylvania Inc.
- Uwe Liess
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Occupancy sensors programmed to determine loss of lamp life as lamp...
- Patent number 8,237,540
- Issue date Aug 7, 2012
- ABL IP Holding, LLC
- Ryan A. Zaveruha
- F21 - LIGHTING
Information Patent Grant
Ballast with lamp-diagnostic filament heating, and method therefor
- Patent number 8,212,497
- Issue date Jul 3, 2012
- Osram Sylvania Inc.
- Naveen Yadlapalli
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluorescent dimming ballast
- Patent number 8,212,498
- Issue date Jul 3, 2012
- General Electric Company
- Louis R. Nerone
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast with lamp end of life detection and protection c...
- Patent number 8,203,282
- Issue date Jun 19, 2012
- Panasonic Corporation
- Masafumi Yamamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lamp end of life protection circuit and method for an electronic di...
- Patent number 8,193,727
- Issue date Jun 5, 2012
- Panasonic Corporation
- Tetsuya Hamana
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
T5 LAMP END OF LIFE PROTECTION CIRCUIT
- Publication number 20160165705
- Publication date Jun 9, 2016
- GENERAL ELECTRIC COMPANY
- Bo ZHANG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER CIRCUIT FOR A GAS DISCHARGE LAMP
- Publication number 20140292199
- Publication date Oct 2, 2014
- N.V. Nederlandsche Apparatenfabriek NEDAP
- Gerrit Hendrik Van Eerden
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Filament Miswire Protection In An Electronic Dimming Ballast
- Publication number 20140091726
- Publication date Apr 3, 2014
- Lutron Electronics Co., Inc.
- Brent M. Gawrys
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
FAULT CONDITION OF DETECTION CIRCUIT
- Publication number 20140077704
- Publication date Mar 20, 2014
- Osram Sylvania Inc.
- Driss Baba
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Constant Voltage Dimmable LED Driver
- Publication number 20130300303
- Publication date Nov 14, 2013
- Gang Gary Liu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
RELAMPING CIRCUIT FOR FLUORESCENT BALLASTS
- Publication number 20130257307
- Publication date Oct 3, 2013
- James Dominic Mieskoski
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Filament Detection Circuit
- Publication number 20120313549
- Publication date Dec 13, 2012
- OSRAM AG
- Junying Wang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Constant voltage dimmable LED driver
- Publication number 20120262084
- Publication date Oct 18, 2012
- Gang Gary Liu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Occupancy Sensors Programmed To Determine Loss Of Lamp Life As Lamp...
- Publication number 20120248987
- Publication date Oct 4, 2012
- ABL IP Holding, LLC
- Ryan A. Zaveruha
- F21 - LIGHTING
Information Patent Application
FLUORESCENT LAMP DRIVE AND A PROTECTION CIRCUIT THEREIN
- Publication number 20120235574
- Publication date Sep 20, 2012
- LECIP HOLDINGS CORPORATION
- Yoshikazu SUMI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DRIVING APPARATUS FOR FLUORESCENT TUBE AND METHOD THEREOF AND ILLUM...
- Publication number 20120169233
- Publication date Jul 5, 2012
- BEYOND INNOVATION TECHNOLOGY CO., LTD.
- Chiu-Yuan Lin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Occupancy Sensors Programmed To Determine Loss Of Lamp Life As Lamp...
- Publication number 20120119655
- Publication date May 17, 2012
- ABL IP Holding, LLC
- Ryan A. Zaveruha
- F21 - LIGHTING
Information Patent Application
ELECTRONIC BALLAST AND STARTUP METHOD
- Publication number 20120112636
- Publication date May 10, 2012
- Koninklijke Philips Electronics N.V.
- Yuhong Fang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
END-OF-LIFE CIRCUIT FOR FLUORESCENT LAMP BALLASTS
- Publication number 20120086353
- Publication date Apr 12, 2012
- General Electric Company
- Louis Robert Nerone
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Fluorescent lamp circuit capable of being repaired and repeatedly used
- Publication number 20120081019
- Publication date Apr 5, 2012
- Skynet Electronic Co., Ltd.
- Jim-Hung Liang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method for Detection of Non-Zero-Voltage Switching Operation of a B...
- Publication number 20120062137
- Publication date Mar 15, 2012
- INFINEON TECHNOLOGIES AG
- Martin Feldtkeller
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC INVERTER WITH PROTECTION FOR DISCHARGES PRODUCED BY MALF...
- Publication number 20120038278
- Publication date Feb 16, 2012
- Guido Arena Ochoa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Detector circuit and method for controlling a fluorescent lamp
- Publication number 20120019146
- Publication date Jan 26, 2012
- OSRAM Gesellschaft mit beschraenkter Haftung
- Juergen Klier
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DETECTOR CIRCUIT AND METHOD FOR ACTUATING A FLUORESCENT LAMP
- Publication number 20110273096
- Publication date Nov 10, 2011
- OSRAM Gesellschaft mit beschraenkter Haftung
- Juergen Klier
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method of Striking a Lamp in an Electronic Dimming Ballast Circuit
- Publication number 20110266959
- Publication date Nov 3, 2011
- Lutron Electronics Co., Inc.
- Mark S. Taipale
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
END OF LAMP LIFE PROTECTION CIRCUIT WITH BI-LEVEL DETECTIONS FOR TH...
- Publication number 20110156592
- Publication date Jun 30, 2011
- Delta Electronics, Inc.
- Ching-Ho Chou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
BALLAST WITH LAMP FILAMENT DETECTION
- Publication number 20110062878
- Publication date Mar 17, 2011
- Osram Sylvania Inc.
- Uwe Liess
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
BALLAST WITH LAMP-DIAGNOSTIC FILAMENT HEATING, AND METHOD THEREFOR
- Publication number 20110062879
- Publication date Mar 17, 2011
- Osram Sylvania Inc.
- Naveen Yadlapalli
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Ballast For Fluorescent Emergency Lighting
- Publication number 20110043040
- Publication date Feb 24, 2011
- Kevin Porter
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Sinusoidal Alternating Current Ballast For Fluorescent Emergency Li...
- Publication number 20110043041
- Publication date Feb 24, 2011
- Kevin Porter
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
POWER CONVERSION DRIVING CIRCUIT AND FLUORESCENT LAMP DRIVING CIRCUIT
- Publication number 20110037401
- Publication date Feb 17, 2011
- GREEN SOLUTION TECHNOLOGY CO., LTD.
- Chung-Che Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
OCCUPANCY SENSORS PROGRAMMED TO DETERMINE LOSS OF LAMP LIFE AS LAMP...
- Publication number 20110025497
- Publication date Feb 3, 2011
- Ryan A. Zaveruha
- F21 - LIGHTING
Information Patent Application
OVERLOAD PROTECTION
- Publication number 20110006698
- Publication date Jan 13, 2011
- NXP B.V.
- Wilhelmus Hinderikus Langeslag
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
FLUORESCENT BALLAST WITH INHERENT END-OF-LIFE PROTECTION
- Publication number 20110006699
- Publication date Jan 13, 2011
- General Electric Company
- Louis R. Nerone
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD AND CIRCUIT FOR SHORT-CIRCUIT AND OVER-CURRENT PROTECTION IN...
- Publication number 20110007441
- Publication date Jan 13, 2011
- Kaiwei Yao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

against abnormal lamp operating conditions

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Filament miswire protection in an electronic dimming ballast

Power circuit for a gas discharge lamp

Electronic ballast and startup method

Relamping circuit

Constant voltage dimmable LED driver

Relamping circuit for fluorescent ballasts

Detect method for step dimming selection

Driving apparatus for fluorescent tube and method thereof and illum...

Detector circuit and method for controlling a fluorescent lamp

Filament detection circuit

Ballast for fluorescent emergency lighting

Asymmetric end-of-life protection circuit for fluorescent lamp ball...

Constant voltage dimmable LED driver

Method of striking a lamp in an electronic dimming ballast circuit

Occupancy sensors programmed to determine loss of lamp life as lamp...

End-of-life circuit for fluorescent lamp ballasts

End of lamp life protection circuit with bi-level detections for th...

Method for detection of non-zero-voltage switching operation of a b...

Ballast with end-of-life protection for one or more lamps

Backlight device and method for LCD displays

Dimming electronic ballast with lamp end of life detection

Circuit for controlling a fluorescent lamp, method for operating th...

Power conversion driving circuit and fluorescent lamp driving circuit

Inverter device and driving method thereof

Ballast with lamp filament detection

Occupancy sensors programmed to determine loss of lamp life as lamp...

Ballast with lamp-diagnostic filament heating, and method therefor

Fluorescent dimming ballast

Electronic ballast with lamp end of life detection and protection c...

Lamp end of life protection circuit and method for an electronic di...

Patents Applicationslast 30 patents

T5 LAMP END OF LIFE PROTECTION CIRCUIT

POWER CIRCUIT FOR A GAS DISCHARGE LAMP

Filament Miswire Protection In An Electronic Dimming Ballast

FAULT CONDITION OF DETECTION CIRCUIT

Constant Voltage Dimmable LED Driver

RELAMPING CIRCUIT FOR FLUORESCENT BALLASTS

Filament Detection Circuit

Constant voltage dimmable LED driver

Occupancy Sensors Programmed To Determine Loss Of Lamp Life As Lamp...

FLUORESCENT LAMP DRIVE AND A PROTECTION CIRCUIT THEREIN

DRIVING APPARATUS FOR FLUORESCENT TUBE AND METHOD THEREOF AND ILLUM...

Occupancy Sensors Programmed To Determine Loss Of Lamp Life As Lamp...

ELECTRONIC BALLAST AND STARTUP METHOD

END-OF-LIFE CIRCUIT FOR FLUORESCENT LAMP BALLASTS

Fluorescent lamp circuit capable of being repaired and repeatedly used

Method for Detection of Non-Zero-Voltage Switching Operation of a B...

ELECTRONIC INVERTER WITH PROTECTION FOR DISCHARGES PRODUCED BY MALF...

Detector circuit and method for controlling a fluorescent lamp

DETECTOR CIRCUIT AND METHOD FOR ACTUATING A FLUORESCENT LAMP

Method of Striking a Lamp in an Electronic Dimming Ballast Circuit

END OF LAMP LIFE PROTECTION CIRCUIT WITH BI-LEVEL DETECTIONS FOR TH...

BALLAST WITH LAMP FILAMENT DETECTION

BALLAST WITH LAMP-DIAGNOSTIC FILAMENT HEATING, AND METHOD THEREFOR

Ballast For Fluorescent Emergency Lighting

Sinusoidal Alternating Current Ballast For Fluorescent Emergency Li...

POWER CONVERSION DRIVING CIRCUIT AND FLUORESCENT LAMP DRIVING CIRCUIT

OCCUPANCY SENSORS PROGRAMMED TO DETERMINE LOSS OF LAMP LIFE AS LAMP...

OVERLOAD PROTECTION

FLUORESCENT BALLAST WITH INHERENT END-OF-LIFE PROTECTION

METHOD AND CIRCUIT FOR SHORT-CIRCUIT AND OVER-CURRENT PROTECTION IN...