Arrangements for protecting lamps or circuits against abnormal operating conditions

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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

H05B41/298Arrangements for protecting lamps or circuits against abnormal operating conditions

Industries

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Patents Grantslast 30 patents

Information Patent Grant
LED tube for retrofitting in a fluorescent tube lighting fixture
- Patent number 10,184,617
- Issue date Jan 22, 2019
- Philips Lighting Holding B.V.
- Vincent Stefan David Gielen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control algorithm for an electronic dimming ballast of a UV lamp
- Patent number 10,143,073
- Issue date Nov 27, 2018
- XYLEM IP MANAGEMENT S.à r.l.
- Reiner Fietzek
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Starting device for a CDM lamp and starting method for the same
- Patent number 10,057,969
- Issue date Aug 21, 2018
- GUANGZHOU TRIZ INFORMATION TECHNOLOGY LTD.
- Jun Hu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic ballast with power thermal cutback
- Patent number 10,009,989
- Issue date Jun 26, 2018
- Philips Lighting Holding B.V.
- Yuhong Fang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic circuit for protecting a load against over-voltage
- Patent number 9,893,510
- Issue date Feb 13, 2018
- Telefonaktiebolaget LM Ericsson (publ)
- Hans Kramer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dimmable instant-start ballast
- Patent number 9,648,690
- Issue date May 9, 2017
- Delta Electronics, Inc.
- Ching-Ho Chou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving device and illumination system
- Patent number 9,544,980
- Issue date Jan 10, 2017
- Delta Electronics, Inc.
- Ching Ho Chou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dual-mode luminaire controllers
- Patent number 9,521,733
- Issue date Dec 13, 2016
- Schreder
- Daniel Brand
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driver circuit between electromagnetic ballast and led
- Patent number 9,426,861
- Issue date Aug 23, 2016
- Koninklijke Philips N.V.
- Haimin Tao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
Rejecting noise transients while turning off a fluorescent lamp usi...
- Patent number 9,247,628
- Issue date Jan 26, 2016
- ZiLOG, Inc.
- Kamlapati Khalsa
- 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
Fault protection system and method for fluorescent lamp ballasts
- Patent number 9,078,307
- Issue date Jul 7, 2015
- General Electric Company
- Gang Yao
- 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
Method for feeding light sources and related device
- Patent number 9,030,117
- Issue date May 12, 2015
- Osram GmbH
- Paolo De Anna
- 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
Preheating control device, lamp driving device including the same,...
- Patent number 8,957,596
- Issue date Feb 17, 2015
- Fairchild Korea Semiconductor Ltd.
- Gye-Hyun Cho
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit arrangement and method for operating at least one discharge...
- Patent number 8,878,462
- Issue date Nov 4, 2014
- OSRAM Gesellschaft mit beschraenkter Haftung
- Peter Krummel
- 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
Ballast and ballast control method and apparatus, for example anti-...
- Patent number 8,796,945
- Issue date Aug 5, 2014
- Fulham Company Limited
- Ning Zhai
- 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
Circuit assembly for operating at least one discharge lamp
- Patent number 8,749,155
- Issue date Jun 10, 2014
- Osram AG
- Arwed Storm
- 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
Latching circuit for ballast
- Patent number 8,729,817
- Issue date May 20, 2014
- Osram Sylvania Inc.
- Ashwani Guleria
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluorescent ballast end of life protection
- Patent number 8,723,429
- Issue date May 13, 2014
- General Electric Company
- Gang Yao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High voltage offset detection circuit
- Patent number 8,723,560
- Issue date May 13, 2014
- Richtek Technology Corp.
- Pei-Kai Tseng
- 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

Patents Applicationslast 30 patents

Information Patent Application
Load-switch voltage control circuit
- Publication number 20200170088
- Publication date May 28, 2020
- Mihail S. Moisin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
STARTING DEVICE FOR A CDM LAMP AND STARTING METHOD FOR THE SAME
- Publication number 20170215263
- Publication date Jul 27, 2017
- JUN HU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIMMABLE INSTANT-START BALLAST
- Publication number 20170142794
- Publication date May 18, 2017
- Delta Electronics, Inc.
- Ching-Ho CHOU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DRIVING DEVICE AND ILLUMINATION SYSTEM
- Publication number 20160205755
- Publication date Jul 14, 2016
- Delta Electronics, Inc.
- CHING HO CHOU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
BALLAST WITH ANTI-STRIATION CIRCUIT
- Publication number 20140368120
- Publication date Dec 18, 2014
- Osram Sylvania Inc.
- Nitin Kumar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
BALLAST AND BALLAST CONTROL METHOD AND APPARATUS, FOR EXAMPLE ANTI-...
- Publication number 20140339996
- Publication date Nov 20, 2014
- FULHAM COMPANY LIMITED
- Ning ZHAI
- 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
DIGITALLY CONTROLLED ELECTRONIC BALLAST WITH ANTI-STRIATION CONTROL...
- Publication number 20140210371
- Publication date Jul 31, 2014
- Koninklijke Philips N.V.
- William Lawrence Keith
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
FILAMENT DETECTION CIRCUIT
- Publication number 20140197736
- Publication date Jul 17, 2014
- Osram Sylvania Inc.
- Eliseo Carcamo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
FAULT PROTECTION SYSTEM AND METHOD FOR FLUORESCENT LAMP BALLASTS
- Publication number 20140175982
- Publication date Jun 26, 2014
- GENERAL ELECTRIC COMPANY
- Gang YAO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH VOLTAGE OFFSET DETECTION CIRCUIT
- Publication number 20140118029
- Publication date May 1, 2014
- Richtek Technology Corp.
- Pei-Kai TSENG
- G01 - MEASURING TESTING
Information Patent Application
LATCHING CIRCUIT FOR BALLAST
- Publication number 20140111089
- Publication date Apr 24, 2014
- Osram Sylvania Inc.
- Ashwani Guleria
- 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
Rejecting Noise Transients While Turning Off a Fluorescent Lamp Usi...
- Publication number 20130320876
- Publication date Dec 5, 2013
- Zilog, Inc.
- Kamlapati Khalsa
- 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
UNIVERSAL BALLAST
- Publication number 20130293119
- Publication date Nov 7, 2013
- ROBERT BOSCH GmbH
- Scott Averitt
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
FLUORESCENT BALLAST END OF LIFE PROTECTION FOR VARIOUS LAMP TYPES
- Publication number 20130264952
- Publication date Oct 10, 2013
- Gang Yao
- 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
ELECTRONIC BALLAST WITH POWER THERMAL CUTBACK
- Publication number 20130175950
- Publication date Jul 11, 2013
- Koninklijke Philips Electronics, N.V.
- Yuhong Fang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH VOLTAGE OFFSET DETECTION CIRCUIT
- Publication number 20130106466
- Publication date May 2, 2013
- Richtek Technology Corp.
- Pei-Kai TSENG
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR OPERATING A FLUORESCENT LAMP
- Publication number 20130099695
- Publication date Apr 25, 2013
- Infineon Technologies Austria AG
- Martin Feldtkeller
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LAMP ASSEMBLY AND CIRCUITS FOR PROTECTION AGAINST MISWIRING IN A LA...
- Publication number 20130033181
- Publication date Feb 7, 2013
- Gang Yao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR FEEDING LIGHT SOURCES AND RELATED DEVICE
- Publication number 20130015777
- Publication date Jan 17, 2013
- OSRAM AG
- Paolo De Anna
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRONIC BALLAST FOR PARALLEL LAMP OPERATION WITH PROGRAM START
- Publication number 20130009565
- Publication date Jan 10, 2013
- Koninklijke Philips Electronics N.V.
- Yuhong Fang
- 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
CIRCUIT ASSEMBLY FOR OPERATING AT LEAST ONE DISCHARGE LAMP
- Publication number 20120242243
- Publication date Sep 27, 2012
- OSRAM AG
- Arwed Storm
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Arrangements for protecting lamps or circuits against abnormal operating conditions

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

LED tube for retrofitting in a fluorescent tube lighting fixture

Control algorithm for an electronic dimming ballast of a UV lamp

Starting device for a CDM lamp and starting method for the same

Electronic ballast with power thermal cutback

Electronic circuit for protecting a load against over-voltage

Dimmable instant-start ballast

Driving device and illumination system

Dual-mode luminaire controllers

Driver circuit between electromagnetic ballast and led

Filament miswire protection in an electronic dimming ballast

Power circuit for a gas discharge lamp

Rejecting noise transients while turning off a fluorescent lamp usi...

Electronic ballast and startup method

Relamping circuit

Fault protection system and method for fluorescent lamp ballasts

Constant voltage dimmable LED driver

Method for feeding light sources and related device

Relamping circuit for fluorescent ballasts

Preheating control device, lamp driving device including the same,...

Circuit arrangement and method for operating at least one discharge...

Detect method for step dimming selection

Ballast and ballast control method and apparatus, for example anti-...

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

Circuit assembly for operating at least one discharge lamp

Detector circuit and method for controlling a fluorescent lamp

Latching circuit for ballast

Fluorescent ballast end of life protection

High voltage offset detection circuit

Filament detection circuit

Ballast for fluorescent emergency lighting

Patents Applicationslast 30 patents

Load-switch voltage control circuit

STARTING DEVICE FOR A CDM LAMP AND STARTING METHOD FOR THE SAME

DIMMABLE INSTANT-START BALLAST

DRIVING DEVICE AND ILLUMINATION SYSTEM

T5 LAMP END OF LIFE PROTECTION CIRCUIT

BALLAST WITH ANTI-STRIATION CIRCUIT

BALLAST AND BALLAST CONTROL METHOD AND APPARATUS, FOR EXAMPLE ANTI-...

POWER CIRCUIT FOR A GAS DISCHARGE LAMP

DIGITALLY CONTROLLED ELECTRONIC BALLAST WITH ANTI-STRIATION CONTROL...

FILAMENT DETECTION CIRCUIT

FAULT PROTECTION SYSTEM AND METHOD FOR FLUORESCENT LAMP BALLASTS

HIGH VOLTAGE OFFSET DETECTION CIRCUIT

LATCHING CIRCUIT FOR BALLAST

Filament Miswire Protection In An Electronic Dimming Ballast

FAULT CONDITION OF DETECTION CIRCUIT

Rejecting Noise Transients While Turning Off a Fluorescent Lamp Usi...

Constant Voltage Dimmable LED Driver

UNIVERSAL BALLAST

FLUORESCENT BALLAST END OF LIFE PROTECTION FOR VARIOUS LAMP TYPES

RELAMPING CIRCUIT FOR FLUORESCENT BALLASTS

ELECTRONIC BALLAST WITH POWER THERMAL CUTBACK

HIGH VOLTAGE OFFSET DETECTION CIRCUIT

METHOD FOR OPERATING A FLUORESCENT LAMP

LAMP ASSEMBLY AND CIRCUITS FOR PROTECTION AGAINST MISWIRING IN A LA...

METHOD FOR FEEDING LIGHT SOURCES AND RELATED DEVICE

ELECTRONIC BALLAST FOR PARALLEL LAMP OPERATION WITH PROGRAM START

Filament Detection Circuit

Constant voltage dimmable LED driver

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

CIRCUIT ASSEMBLY FOR OPERATING AT LEAST ONE DISCHARGE LAMP