in which the lamp is fed by dc or by low-frequency ac

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H05B41/16

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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

H05B41/16in which the lamp is fed by dc or by low-frequency ac

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Asymmetrical ballast transformer
- Patent number 11,706,866
- Issue date Jul 18, 2023
- Atmospheric Plasma Solutions, Inc.
- Peter J. Yancey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Asymmetrical ballast transformer
- Patent number 11,019,713
- Issue date May 25, 2021
- Atmospheric Plasma Solutions, Inc.
- Peter J. Yancey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power delivery system for a light tower
- Patent number 10,856,381
- Issue date Dec 1, 2020
- CLARK EQUIPMENT COMPANY
- Nicholas Harknett
- F21 - LIGHTING
Information Patent Grant
Discharge lamp drive device, light source device, projector, and di...
- Patent number 10,660,171
- Issue date May 19, 2020
- Seiko Epson Corporation
- Shun Sato
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrical ballast and driving method thereof
- Patent number 10,152,068
- Issue date Dec 11, 2018
- Delta Electronics, Inc.
- Yung-Chuan Lu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting device, lamp failure detection method, and...
- Patent number 10,039,176
- Issue date Jul 31, 2018
- NEC Display Solutions, Ltd.
- Koichi Tagishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic device
- Patent number 9,883,572
- Issue date Jan 30, 2018
- ASUSTeK COMPUTER Inc.
- Hsin-Wu Huang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp driving device, projector, and discharge lamp drivin...
- Patent number 9,872,370
- Issue date Jan 16, 2018
- Seiko Epson Corporation
- Yoichi Nakagomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radial waveguide systems and methods for post-match control of micr...
- Patent number 9,837,249
- Issue date Dec 5, 2017
- Applied Materials, Inc.
- Satoru Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for operating a discharge lamp and projection arrangement
- Patent number 9,788,401
- Issue date Oct 10, 2017
- Osram GmbH
- Marc Czichy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting apparatus and projector
- Patent number 9,578,726
- Issue date Feb 21, 2017
- Ushio Denki Kabushiki Kaisha
- Masashi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Alternating current light emitting device
- Patent number 9,501,992
- Issue date Nov 22, 2016
- Epistar Corporation
- Sheng-Chieh Tai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Discharge lamp driving device, projector, and method for driving a...
- Patent number 9,470,962
- Issue date Oct 18, 2016
- Seiko Epson Corporation
- Keishi Kimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple strike ballast with lamp protection for electrodeless lamp
- Patent number 9,301,375
- Issue date Mar 29, 2016
- OSRAM SYLVANIA Inc.
- Nitin Kumar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical reactor and driving circuit for optical reactor
- Patent number 9,296,610
- Issue date Mar 29, 2016
- Koninklijke Philips N.V.
- Georg Greuel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Gas discharge lamp ballast with reconfigurable filament voltage
- Patent number 9,232,607
- Issue date Jan 5, 2016
- Lutron Electronics Co., Inc.
- Venkatesh Chitta
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit for reducing flicker in a lighting load
- Patent number 9,226,377
- Issue date Dec 29, 2015
- Lutron Electronics Co., Inc.
- Robert C. Newman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High intensity discharge electronic ballast circuit, electronic bal...
- Patent number 9,072,151
- Issue date Jun 30, 2015
- GUANGDONG GREENLIGHT PHOTOELECTRIC TECHNOLOGY CO., LTD
- Lishan Xie
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting device with optical pulsation suppression by polyphase-dri...
- Patent number 9,066,378
- Issue date Jun 23, 2015
- Tai-Her Yang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving method for discharge lamp, driving device for discharge lam...
- Patent number 9,049,772
- Issue date Jun 2, 2015
- Seiko Epson Corporation
- Shigeyasu Soma
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for driving fluorescent lamp
- Patent number 9,006,980
- Issue date Apr 14, 2015
- Beyond Innovation Technology Co., Ltd.
- Shih-Chung Huang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrical module and method for illuminating a high intensity disc...
- Patent number 8,847,493
- Issue date Sep 30, 2014
- Michael Dentinger
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dimmable screw-in compact fluorescent lamp having integral electron...
- Patent number 8,803,436
- Issue date Aug 12, 2014
- Lutron Electronics Co., Inc.
- Robert C. Newman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driving method for discharge lamp, driving device for discharge lam...
- Patent number 8,797,313
- Issue date Aug 5, 2014
- Seiko Epson Corporation
- Shigeyasu Soma
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast with real-time current crest factor improvement...
- Patent number 8,773,035
- Issue date Jul 8, 2014
- Delta Electronics, Inc.
- Chang-Ching Wang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting device with optical pulsation suppression by polyphase-dri...
- Patent number 8,664,876
- Issue date Mar 4, 2014
- Tai-Her Yang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Timer-based switching circuit synchronization in an electrical dimmer
- Patent number 8,664,886
- Issue date Mar 4, 2014
- Leviton Manufacturing Company, Inc.
- Michael Ostrovsky
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Alternating current light emitting device
- Patent number 8,598,799
- Issue date Dec 3, 2013
- Epistar Corporation
- Sheng-Chieh Tai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for driving fluorescent lamp
- Patent number 8,558,469
- Issue date Oct 15, 2013
- Beyond Innovation Technology Co., Ltd.
- Shih-Chung Huang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting control system for a plurality of luminaires
- Patent number 8,547,022
- Issue date Oct 1, 2013
- Koninklijke Philips N.V.
- Robert L. Summerford
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
ASYMMETRICAL BALLAST TRANSFORMER
- Publication number 20230354500
- Publication date Nov 2, 2023
- Atmospheric Plasma Solutions, Inc.
- Peter J. Yancey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ASYMMETRICAL BALLAST TRANSFORMER
- Publication number 20210274629
- Publication date Sep 2, 2021
- Atmospheric Plasma Solutions, Inc.
- Peter J. Yancey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER DELIVERY SYSTEM FOR A LIGHT TOWER
- Publication number 20190309915
- Publication date Oct 10, 2019
- Clark Equipment Company
- Nicholas Harknett
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRONIC DEVICE
- Publication number 20170332464
- Publication date Nov 16, 2017
- ASUSTEK COMPUTER INC.
- Hsin-Wu HUANG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISCHARGE LAMP LIGHTING DEVICE, LAMP FAILURE DETECTION METHOD, AND...
- Publication number 20170231073
- Publication date Aug 10, 2017
- NEC Display Soilutions, Ltd.
- Koichi TAGISHI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR OPERATING A DISCHARGE LAMP AND PROJECTION ARRANGEMENT
- Publication number 20150131063
- Publication date May 14, 2015
- OSRAM GMBH
- Marc Czichy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...
- Publication number 20150103323
- Publication date Apr 16, 2015
- SEIKO EPSON CORPORATION
- Yoichi NAKAGOMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...
- Publication number 20150103324
- Publication date Apr 16, 2015
- SEIKO EPSON CORPORATION
- Yoichi NAKAGOMI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND METHOD FOR DRIVING A...
- Publication number 20150055097
- Publication date Feb 26, 2015
- SEIKO EPSON CORPORATION
- Keishi Kimura
- G02 - OPTICS
Information Patent Application
DIMMABLE SCREW-IN COMPACT FLUORESCENT LAMP HAVING INTEGRAL ELECTRON...
- Publication number 20140320033
- Publication date Oct 30, 2014
- Lutron Electronics Co., Inc.
- Robert C. Newman
- 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
GAS DISCHARGE LAMP BALLAST WITH RECONFIGURABLE FILAMENT VOLTAGE
- Publication number 20140111111
- Publication date Apr 24, 2014
- Venkatesh Chitta
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ALTERNATING CURRENT LIGHT EMITTING DEVICE
- Publication number 20140078131
- Publication date Mar 20, 2014
- EPISTAR CORPORATION
- Sheng-Chieh TAI
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
MULTIPLE STRIKE BALLAST WITH LAMP PROTECTION FOR ELECTRODELESS LAMP
- Publication number 20140049159
- Publication date Feb 20, 2014
- Osram Sylvania Inc.
- Nitin Kumar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH INTENSITY DISCHARGE ELECTRONIC BALLAST CIRCUIT, ELECTRONIC BAL...
- Publication number 20140001957
- Publication date Jan 2, 2014
- Guangdong Greenlight Photoelectric Technology Co., Ltd
- Lishan Xie
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
APPARATUS AND METHOD FOR DRIVING FLUORESCENT LAMP
- Publication number 20130328485
- Publication date Dec 12, 2013
- BEYOND INNOVATION TECHNOLOGY CO., LTD.
- Shih-Chung Huang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR OPERATING A GAS DISCHARGE LAMP OF A MOTOR VEHICLE HEADLAMP
- Publication number 20130214681
- Publication date Aug 22, 2013
- Automotive Lighting Reutlingen GmbH
- Dominik Neeser
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
TIMER-BASED SWITCHING CIRCUIT SYNCHRONIZATION IN AN ELECTRICAL DIMMER
- Publication number 20130162168
- Publication date Jun 27, 2013
- LEVITON MANUFACTURING COMPANY, INC.
- Michael OSTROVSKY
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DRIVING METHOD FOR DISCHARGE LAMP, DRIVING DEVICE FOR DISCHARGE LAM...
- Publication number 20130127368
- Publication date May 23, 2013
- SEIKO EPSON CORPORATION
- Shigeyasu SOMA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISCHARGE LAMP LIGHTING APPARATUS AND PROJECTOR
- Publication number 20130120717
- Publication date May 16, 2013
- Ushio Denki Kabushiki Kaisha
- Masashi Okamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRICAL MODULE AND METHOD FOR ILLUMINATING A HIGH INTENSITY DISC...
- Publication number 20130082597
- Publication date Apr 4, 2013
- Michael Dentinger
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DIMMABLE SCREW-IN COMPACT FLUORESCENT LAMP HAVING INTEGRAL ELECTRON...
- Publication number 20120286689
- Publication date Nov 15, 2012
- Robert C. Newman, JR.
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
OPTICAL REACTOR AND DRIVING CIRCUIT FOR OPTICAL REACTOR
- Publication number 20120237409
- Publication date Sep 20, 2012
- Koninklijke Philips Electronics N.V.
- Georg Greuel
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND METHOD FOR DRIVING A...
- Publication number 20120176585
- Publication date Jul 12, 2012
- SEIKO EPSON CORPORATION
- Keishi KIMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR DRIVING FLUORESCENT LAMP
- Publication number 20120081020
- Publication date Apr 5, 2012
- BEYOND INNOVATION TECHNOLOGY CO., LTD.
- Shih-Chung Huang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHTING DEVICE WITH OPTICAL PULSATION SUPPRESSION BY POLYPHASE-DRI...
- Publication number 20120062124
- Publication date Mar 15, 2012
- Tai-Her Yang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LAMP DRIVING CIRCUIT
- Publication number 20110234112
- Publication date Sep 29, 2011
- Koninklijke Philips Electronics N.V.
- Zhihua Song
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHTING CONTROL METHOD
- Publication number 20110187278
- Publication date Aug 4, 2011
- Koninklijke Philips Electronics N.V.
- ROBERT L. SUMMERFORD
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LIGHTING CONTROL SYSTEM FOR A PLURALITY OF LUMINAIRES
- Publication number 20110187273
- Publication date Aug 4, 2011
- Koninklijke Philips Electronics N.V.
- ROBERT L. SUMMERFORD
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
HAND HELD, HIGH POWER UV LAMP
- Publication number 20110140604
- Publication date Jun 16, 2011
- ADASTRA TECHNOLOGIES, INC.
- George Wakalopulos
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

in which the lamp is fed by dc or by low-frequency ac

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Asymmetrical ballast transformer

Asymmetrical ballast transformer

Power delivery system for a light tower

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

Electrical ballast and driving method thereof

Discharge lamp lighting device, lamp failure detection method, and...

Electronic device

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

Radial waveguide systems and methods for post-match control of micr...

Method for operating a discharge lamp and projection arrangement

Discharge lamp lighting apparatus and projector

Alternating current light emitting device

Discharge lamp driving device, projector, and method for driving a...

Multiple strike ballast with lamp protection for electrodeless lamp

Optical reactor and driving circuit for optical reactor

Gas discharge lamp ballast with reconfigurable filament voltage

Circuit for reducing flicker in a lighting load

High intensity discharge electronic ballast circuit, electronic bal...

Lighting device with optical pulsation suppression by polyphase-dri...

Driving method for discharge lamp, driving device for discharge lam...

Apparatus and method for driving fluorescent lamp

Electrical module and method for illuminating a high intensity disc...

Dimmable screw-in compact fluorescent lamp having integral electron...

Driving method for discharge lamp, driving device for discharge lam...

Electronic ballast with real-time current crest factor improvement...

Lighting device with optical pulsation suppression by polyphase-dri...

Timer-based switching circuit synchronization in an electrical dimmer

Alternating current light emitting device

Apparatus and method for driving fluorescent lamp

Lighting control system for a plurality of luminaires

Patents Applicationslast 30 patents

ASYMMETRICAL BALLAST TRANSFORMER

ASYMMETRICAL BALLAST TRANSFORMER

POWER DELIVERY SYSTEM FOR A LIGHT TOWER

ELECTRONIC DEVICE

DISCHARGE LAMP LIGHTING DEVICE, LAMP FAILURE DETECTION METHOD, AND...

METHOD FOR OPERATING A DISCHARGE LAMP AND PROJECTION ARRANGEMENT

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND METHOD FOR DRIVING A...

DIMMABLE SCREW-IN COMPACT FLUORESCENT LAMP HAVING INTEGRAL ELECTRON...

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

GAS DISCHARGE LAMP BALLAST WITH RECONFIGURABLE FILAMENT VOLTAGE

ALTERNATING CURRENT LIGHT EMITTING DEVICE

MULTIPLE STRIKE BALLAST WITH LAMP PROTECTION FOR ELECTRODELESS LAMP

HIGH INTENSITY DISCHARGE ELECTRONIC BALLAST CIRCUIT, ELECTRONIC BAL...

APPARATUS AND METHOD FOR DRIVING FLUORESCENT LAMP

METHOD FOR OPERATING A GAS DISCHARGE LAMP OF A MOTOR VEHICLE HEADLAMP

TIMER-BASED SWITCHING CIRCUIT SYNCHRONIZATION IN AN ELECTRICAL DIMMER

DRIVING METHOD FOR DISCHARGE LAMP, DRIVING DEVICE FOR DISCHARGE LAM...

DISCHARGE LAMP LIGHTING APPARATUS AND PROJECTOR

ELECTRICAL MODULE AND METHOD FOR ILLUMINATING A HIGH INTENSITY DISC...

DIMMABLE SCREW-IN COMPACT FLUORESCENT LAMP HAVING INTEGRAL ELECTRON...

OPTICAL REACTOR AND DRIVING CIRCUIT FOR OPTICAL REACTOR

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND METHOD FOR DRIVING A...

APPARATUS AND METHOD FOR DRIVING FLUORESCENT LAMP

LIGHTING DEVICE WITH OPTICAL PULSATION SUPPRESSION BY POLYPHASE-DRI...

LAMP DRIVING CIRCUIT

LIGHTING CONTROL METHOD

LIGHTING CONTROL SYSTEM FOR A PLURALITY OF LUMINAIRES

HAND HELD, HIGH POWER UV LAMP