the bridge being commutated at low frequency

Industry

CPC
H05B41/2888

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

H05B41/2888the bridge being commutated at low frequency

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Control method and control circuit of electronic ballast of gas dis...
- Patent number 11,277,891
- Issue date Mar 15, 2022
- SHENZHEN NUMBER ENERGY SAVING CORPORATION
- Hongchuan Chen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp drive device, light source device, projector, and di...
- Patent number 11,076,457
- Issue date Jul 27, 2021
- Seiko Epson Corporation
- Junichi Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge lamp drive device, light source device, projector, and di...
- Patent number 10,925,127
- Issue date Feb 16, 2021
- Seiko Epson Corporation
- Masaru Kono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge lamp lighting apparatus
- Patent number 9,756,711
- Issue date Sep 5, 2017
- Ushio Denki Kabushiki Kaisha
- Koji Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Discharge lamp driving device, projector, and discharge lamp drivin...
- Patent number 9,563,111
- Issue date Feb 7, 2017
- Seiko Epson Corporation
- Yoichi Nakagomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Discharge lamp driving device, projector, and discharge lamp drivin...
- Patent number 9,509,965
- Issue date Nov 29, 2016
- Seiko Epson Corporation
- Yoichi Nakagomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Driving device and driving method for discharge lamp, light source...
- Patent number 9,491,839
- Issue date Nov 8, 2016
- Seiko Epson Corporation
- Junichi Suzuki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
High pressure discharge lamp lighting device with electrode tempera...
- Patent number 9,030,111
- Issue date May 12, 2015
- Ushio Denki Kabushiki Kaisha
- Atsushi Imamura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast and method for providing a DC voltage component...
- Patent number 8,638,039
- Issue date Jan 28, 2014
- Panasonic Corporation
- Jun Kumagai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-voltage discharge lamp lighting device and lighting fixture
- Patent number 8,593,077
- Issue date Nov 26, 2013
- Panasonic Corporation
- Jun Kumagai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Projector
- Patent number 8,506,092
- Issue date Aug 13, 2013
- Seiko Epson Corporation
- Shun Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Discharge lamp lighting apparatus
- Patent number 8,492,985
- Issue date Jul 23, 2013
- Mitsubishi Electric Corporation
- Naohito Sato
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit arrangement for operating discharge lamps and method for op...
- Patent number 8,362,708
- Issue date Jan 29, 2013
- OSRAM Gesellschaft mit beschraenkter Haftung
- Christian Breuer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of driving discharge lamp, driving device, and projector
- Patent number 8,350,489
- Issue date Jan 8, 2013
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High pressure discharge lamp lighting apparatus and projector
- Patent number 8,342,695
- Issue date Jan 1, 2013
- Ushio Denki Kabushiki Kaisha
- Tetsuji Hirao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast for HID lamps with active lamp power control
- Patent number 8,344,644
- Issue date Jan 1, 2013
- Panasonic Corporation
- Nobutoshi Matsuzaki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-pressure discharge lamp lighting device, high pressure dischar...
- Patent number 8,324,828
- Issue date Dec 4, 2012
- Panasonic Corporation
- Masahiro Yamamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High pressure discharge lamp lighting apparatus
- Patent number 8,164,266
- Issue date Apr 24, 2012
- Ushio Denki Kabushiki Kaisha
- Tetsu Okamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device and method for operating a high-pressure discharge lamp
- Patent number 8,111,002
- Issue date Feb 7, 2012
- Osram AG
- Michael Bönigk
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of driving discharge lamp, driving device, and projector
- Patent number 8,044,602
- Issue date Oct 25, 2011
- Seiko Epson Corporation
- Kentaro Yamauchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Voltage sensing apparatus for power regulation and over-voltage pro...
- Patent number 8,035,319
- Issue date Oct 11, 2011
- Delta Electronics, Inc.
- Weigiang Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ignition controller, light source, projector and ignition control m...
- Patent number 7,999,488
- Issue date Aug 16, 2011
- Seiko Epson Corporation
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Active lamp current crest factor control
- Patent number 7,982,406
- Issue date Jul 19, 2011
- Simon Richard Greenwood
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Single-stage electronic ballast device
- Patent number 7,545,102
- Issue date Jun 9, 2009
- Industrial Technology Research Institute
- Ching-Ran Lee
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit for a gas-discharge lamp
- Patent number 7,518,318
- Issue date Apr 14, 2009
- Koninklijke Philips Electronics N.V.
- Dolf Henricus Jozef Van Casteren
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit and method for driving a load, in particular a high-intensi...
- Patent number 7,456,582
- Issue date Nov 25, 2008
- Koninklijke Philips Electronics N.V.
- Dolf Henricus Jozef Van Casteren
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit for powering a high intensity discharge lamp
- Patent number 7,432,664
- Issue date Oct 7, 2008
- Osram Sylvania Inc.
- Warren Paul Moskowitz
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit arrangement for preventing high peak currents
- Patent number 7,397,196
- Issue date Jul 8, 2008
- Koninklijke Philips Electronics N.V.
- Lukas Leyten
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
DC/AC converter for supplying two gas discharge lamps
- Patent number 7,339,326
- Issue date Mar 4, 2008
- Koninklijke Philips Electronics N.V.
- Winston Donald Couwenberg
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting apparatus
- Patent number 7,327,095
- Issue date Feb 5, 2008
- Mitsubishi Denki Kabushiki Kaisha
- Takahiro Urakabe
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CONTROL METHOD AND CONTROL CIRCUIT OF ELECTRONIC BALLAST OF GAS DIS...
- Publication number 20210204372
- Publication date Jul 1, 2021
- SHENZHEN NUMBER ENERGY SAVING CORPORATION
- Hongchuan CHEN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISCHARGE LAMP DRIVE DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND DI...
- Publication number 20190090333
- Publication date Mar 21, 2019
- SEIKO EPSON CORPORATION
- Masaru KONO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISCHARGE LAMP LIGHTING APPARATUS
- Publication number 20160338183
- Publication date Nov 17, 2016
- Ushio Denki Kabushiki Kaisha
- Koji YAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DRIVING DEVICE AND DRIVING METHOD FOR DISCHARGE LAMP, LIGHT SOURCE...
- Publication number 20140063471
- Publication date Mar 6, 2014
- SEIKO EPSON CORPORATION
- Junichi SUZUKI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT SOURCE DEVICE, METHOD OF DRIVING DISCHARGE LAMP, AND PROJECTOR
- Publication number 20130050661
- Publication date Feb 28, 2013
- SEIKO EPSON CORPORATION
- Junichi Suzuki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH PRESSURE DISCHARGE LAMP BALLAST AND A METHOD FOR DRIVING A HIG...
- Publication number 20130038843
- Publication date Feb 14, 2013
- Iwasaki Electric Co., Ltd.
- Yuya YAMAZAKI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH PRESSURE DISCHARGE LAMP LIGHTING DEVICE
- Publication number 20120313546
- Publication date Dec 13, 2012
- Ushio Denki Kabushiki Kaisha
- Atsushi Imamura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISCHARGE LAMP LIGHTING APPARATUS
- Publication number 20120126715
- Publication date May 24, 2012
- Mitsubishi Electric Corporation
- Naohito Sato
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PROJECTOR
- Publication number 20120044466
- Publication date Feb 23, 2012
- SEIKO EPSON CORPORATION
- Shun SATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Circuit Arrangement and Method for Operating a High-Pressure Discha...
- Publication number 20120025730
- Publication date Feb 2, 2012
- Herbert Kaestle
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR
- Publication number 20120008106
- Publication date Jan 12, 2012
- SEIKO EPSON CORPORATION
- Kentaro YAMAUCHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
GAS DISCHARGE LAMPS
- Publication number 20110254452
- Publication date Oct 20, 2011
- Jens-Peter Kunzmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
HIGH-PRESSURE DISCHARGE LAMP LIGHTING DEVICE, HIGH PRESSURE DISCHAR...
- Publication number 20110210680
- Publication date Sep 1, 2011
- Masahiro Yamamoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTRONIC BALLAST AND METHOD FOR PROVIDING A DC VOLTAGE COMPONENT...
- Publication number 20110074307
- Publication date Mar 31, 2011
- Jun Kumagai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH-VOLTAGE DISCHARGE LAMP LIGHTING DEVICE AND LIGHTING FIXTURE
- Publication number 20110074311
- Publication date Mar 31, 2011
- Panasonic Electric Works Co., Ltd.
- Jun Kumagai
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
High pressure discharge lamp lighting apparatus and projector
- Publication number 20110063584
- Publication date Mar 17, 2011
- USHIO DENIKI KABUSHIKI KAISHA
- Tetsuji Hirao
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTRONIC BALLAST FOR HID LAMPS WITH ACTIVE LAMP POWER CONTROL
- Publication number 20100270938
- Publication date Oct 28, 2010
- Nobutoshi Matsuzaki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
CIRCUIT ARRANGEMENT FOR OPERATING DISCHARGE LAMPS AND METHOD FOR OP...
- Publication number 20100171434
- Publication date Jul 8, 2010
- OSRAM Gesellschaft mit beschraenkter Haftung
- Christian Breuer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
High pressure discharge lamp lighting apparatus
- Publication number 20100127631
- Publication date May 27, 2010
- Ushio Denki Kabushiki Kaisha
- Tetsu Okamoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD AND DEVICE FOR DRIVING A GAS DISCHARGE LAMP
- Publication number 20100019683
- Publication date Jan 28, 2010
- Koninklijke Philips Electronics N.V.
- Rob Otte
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Device and Method for Operating a High-Pressure Discharge Lamp
- Publication number 20090278468
- Publication date Nov 12, 2009
- PATENT-TREUHAND-GESSELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH
- Michael Bönigk
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
VOLTAGE SENSING APPARATUS FOR POWER REGULATION AND OVER-VOLTAGE PRO...
- Publication number 20090230889
- Publication date Sep 17, 2009
- DELTA ELECTRONICS, INC.
- Weigiang Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR
- Publication number 20090207385
- Publication date Aug 20, 2009
- SEIKO EPSON CORPORATION
- Kentaro YAMAUCHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Ignition controller, light source, projector and ignition control m...
- Publication number 20090001904
- Publication date Jan 1, 2009
- SEIKO EPSON CORPORATION
- Kazuo OKAWA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ACTIVE LAMP CURRENT CREST FACTOR CONTROL
- Publication number 20080278089
- Publication date Nov 13, 2008
- Simon Richard Greenwood
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DISCHARGE LAMP LIGHTING APPARATUS
- Publication number 20080106220
- Publication date May 8, 2008
- Mitsubishi Denki Kabushiki Kaisha
- Takahiro Urakabe
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Circuit for Powering a High Intensity Discharge Lamp
- Publication number 20080088250
- Publication date Apr 17, 2008
- Osram Sylvania, Inc.
- Warren P. Moskowitz
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Single-stage electronic ballast device
- Publication number 20080018265
- Publication date Jan 24, 2008
- INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
- Ching-Ran Lee
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Circuit Arrangement
- Publication number 20070222392
- Publication date Sep 27, 2007
- Koninklijke Philips Electronics, N.V.
- Lukas Leyten
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Dc/dc converter for supplying two gas discharge lamps
- Publication number 20070007901
- Publication date Jan 11, 2007
- Koninklijke Philips Electronics N.V.
- Winston Donald Couwenberg
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

the bridge being commutated at low frequency

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Control method and control circuit of electronic ballast of gas dis...

Discharge lamp drive device, light source device, projector, and di...

Discharge lamp drive device, light source device, projector, and di...

Discharge lamp lighting apparatus

Discharge lamp driving device, projector, and discharge lamp drivin...

Discharge lamp driving device, projector, and discharge lamp drivin...

Driving device and driving method for discharge lamp, light source...

High pressure discharge lamp lighting device with electrode tempera...

Electronic ballast and method for providing a DC voltage component...

High-voltage discharge lamp lighting device and lighting fixture

Projector

Discharge lamp lighting apparatus

Circuit arrangement for operating discharge lamps and method for op...

Method of driving discharge lamp, driving device, and projector

High pressure discharge lamp lighting apparatus and projector

Electronic ballast for HID lamps with active lamp power control

High-pressure discharge lamp lighting device, high pressure dischar...

High pressure discharge lamp lighting apparatus

Device and method for operating a high-pressure discharge lamp

Method of driving discharge lamp, driving device, and projector

Voltage sensing apparatus for power regulation and over-voltage pro...

Ignition controller, light source, projector and ignition control m...

Active lamp current crest factor control

Single-stage electronic ballast device

Circuit for a gas-discharge lamp

Circuit and method for driving a load, in particular a high-intensi...

Circuit for powering a high intensity discharge lamp

Circuit arrangement for preventing high peak currents

DC/AC converter for supplying two gas discharge lamps

Discharge lamp lighting apparatus

Patents Applicationslast 30 patents

CONTROL METHOD AND CONTROL CIRCUIT OF ELECTRONIC BALLAST OF GAS DIS...

DISCHARGE LAMP DRIVE DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND DI...

DISCHARGE LAMP LIGHTING APPARATUS

DRIVING DEVICE AND DRIVING METHOD FOR DISCHARGE LAMP, LIGHT SOURCE...

LIGHT SOURCE DEVICE, METHOD OF DRIVING DISCHARGE LAMP, AND PROJECTOR

HIGH PRESSURE DISCHARGE LAMP BALLAST AND A METHOD FOR DRIVING A HIG...

HIGH PRESSURE DISCHARGE LAMP LIGHTING DEVICE

DISCHARGE LAMP LIGHTING APPARATUS

PROJECTOR

Circuit Arrangement and Method for Operating a High-Pressure Discha...

METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR

GAS DISCHARGE LAMPS

HIGH-PRESSURE DISCHARGE LAMP LIGHTING DEVICE, HIGH PRESSURE DISCHAR...

ELECTRONIC BALLAST AND METHOD FOR PROVIDING A DC VOLTAGE COMPONENT...

HIGH-VOLTAGE DISCHARGE LAMP LIGHTING DEVICE AND LIGHTING FIXTURE

High pressure discharge lamp lighting apparatus and projector

ELECTRONIC BALLAST FOR HID LAMPS WITH ACTIVE LAMP POWER CONTROL

CIRCUIT ARRANGEMENT FOR OPERATING DISCHARGE LAMPS AND METHOD FOR OP...

High pressure discharge lamp lighting apparatus

METHOD AND DEVICE FOR DRIVING A GAS DISCHARGE LAMP

Device and Method for Operating a High-Pressure Discharge Lamp

VOLTAGE SENSING APPARATUS FOR POWER REGULATION AND OVER-VOLTAGE PRO...

METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR

Ignition controller, light source, projector and ignition control m...

ACTIVE LAMP CURRENT CREST FACTOR CONTROL

DISCHARGE LAMP LIGHTING APPARATUS

Circuit for Powering a High Intensity Discharge Lamp

Single-stage electronic ballast device

Circuit Arrangement

Dc/dc converter for supplying two gas discharge lamps