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ELECTRICITY
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Electric techniques
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ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
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Circuit arrangements or apparatus for igniting or operating discharge lamps
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H05B41/2928
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Patents Grants
last 30 patents
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 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
Lamp color temperature stability in an automated luminaire
Patent number
10,422,520
Issue date
Sep 24, 2019
Robe Lighting s.r.o.
Pavel Jurik
F21 - LIGHTING
Information
Patent Grant
Radiofrequency adjustment for instability management in semiconduct...
Patent number
10,134,570
Issue date
Nov 20, 2018
Lam Research Corporation
Arthur Sato
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Projection device and method for projecting at least one image onto...
Patent number
10,073,335
Issue date
Sep 11, 2018
Osram GmbH
Marc Czichy
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
Projector and method of controlling projector
Patent number
9,939,716
Issue date
Apr 10, 2018
Seiko Epson Corporation
Shun Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Discharge lamp driving device, projector, and discharge lamp drivin...
Patent number
9,930,305
Issue date
Mar 27, 2018
Seiko Epson Corporation
Tomohiro Yokoo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
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
Patent number
9,756,711
Issue date
Sep 5, 2017
Ushio Denki Kabushiki Kaisha
Koji Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
HID lamp acoustic resonance suppression method and ballast
Patent number
9,635,747
Issue date
Apr 25, 2017
SHENZHEN TECHONE TECH CO., LTD.
Shixue Cai
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Discharge lamp driving device, projector, and discharge lamp drivin...
Patent number
9,632,398
Issue date
Apr 25, 2017
Seiko Epson Corporation
Satoshi Kito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Discharge lamp driving device, projector, and discharge lamp drivin...
Patent number
9,602,791
Issue date
Mar 21, 2017
Seiko Epson Corporation
Tetsuo Terashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Discharge lamp lighting apparatus
Patent number
9,603,228
Issue date
Mar 21, 2017
Murata Manufacturing Co., Ltd.
Tsuyoshi Umemoto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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
Light source apparatus, discharge lamp driving method, and projector
Patent number
9,526,157
Issue date
Dec 20, 2016
Seiko Epson Corporation
Junichi Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Projector that controls discharge lamp in response to deterioration
Patent number
9,354,497
Issue date
May 31, 2016
Seiko Epson Corporation
Tetsuo Terashima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source drive device, display apparatus, and light source driv...
Patent number
9,351,384
Issue date
May 24, 2016
Seiko Epson Corporation
Junichi Suzuki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for operating a high-pressure discharge lamp with a variable...
Patent number
9,320,123
Issue date
Apr 19, 2016
Osram GmbH
Kai Wolter
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Discharge lamp lighting device, discharge lamp lighting method, and...
Patent number
9,288,884
Issue date
Mar 15, 2016
Seiko Epson Corporation
Yoichi Nakagomi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuit arrangement and method for operating at least one discharge...
Patent number
9,253,861
Issue date
Feb 2, 2016
Osram GmbH
Kai Wolter
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for operating a high-pressure discharge lamp outside the nom...
Patent number
9,204,520
Issue date
Dec 1, 2015
Osram GmbH
Norbert Magg
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High frequency programmable pulse generator lighting apparatus, sys...
Patent number
9,167,675
Issue date
Oct 20, 2015
Sergio Alejandro Ortiz-Gavin
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Projector and method for controlling a projector discharge lamp
Patent number
9,152,027
Issue date
Oct 6, 2015
Seiko Epson Corporation
Tetsuo Terashima
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light source device, method of driving discharge lamp, and projector
Patent number
9,146,451
Issue date
Sep 29, 2015
Seiko Epson Corporation
Junichi Suzuki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of driving an arc-discharge lamp
Patent number
9,107,276
Issue date
Aug 11, 2015
Koninklijke Philips N.V.
Xaver Riederer
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Adaptive bipolar junction transistor gain detection
Patent number
9,101,015
Issue date
Aug 4, 2015
Dialog Semiconductor Inc.
Liang Yan
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR OPERATING A DISCHARGE LAMP AND DISCHARGE LAMP
Publication number
20230071761
Publication date
Mar 9, 2023
Osram GmbH
Michael HEISE
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR OPERATING A DISCHARGE LAMP AND DISCHARGE LAMP
Publication number
20230063322
Publication date
Mar 2, 2023
Osram GmbH
Bernd KOCH
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HID LAMP ACOUSTIC RESONANCE SUPPRESSION METHOD AND BALLAST
Publication number
20160278190
Publication date
Sep 22, 2016
SHENZHEN TECHONE TECH CO., LTD.
Shixue CAI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HIGH WATT TYPE CERAMIC METAL HALIDE LAMP ILLUMINATION DEVICE
Publication number
20140354175
Publication date
Dec 4, 2014
Iwasaki Electric Co., Ltd.
Masashi Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PROJECTOR
Publication number
20140285771
Publication date
Sep 25, 2014
SEIKO EPSON CORPORATION
Tetsuo TERASHIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radiofrequency Adjustment for Instability Management in Semiconduct...
Publication number
20140256066
Publication date
Sep 11, 2014
LAM RESEARCH CORPORATION
Arthur Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT SOURCE DRIVE DEVICE, DISPLAY APPARATUS, AND LIGHT SOURCE DRIV...
Publication number
20140218696
Publication date
Aug 7, 2014
SEIKO EPSON CORPORATION
Junichi SUZUKI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DISCHARGE LAMP LIGHTING DEVICE, DISCHARGE LAMP LIGHTING METHOD, AND...
Publication number
20140191685
Publication date
Jul 10, 2014
SEIKO EPSON CORPORATION
Yoichi NAKAGOMI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HIGH PRESSURE DISCHARGE LAMP LIGHTING APPARATUS
Publication number
20140167641
Publication date
Jun 19, 2014
Ushio Denki Kabushiki Kaisha
Atsushi Imamura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
High Frequency Programmable Pulse Generator Lighting Apparatus, Sys...
Publication number
20140152193
Publication date
Jun 5, 2014
Sergio Alejandro Ortiz-Gavin
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DISCHARGE LAMP OPERATING APPARATUS
Publication number
20140117880
Publication date
May 1, 2014
Ushio Denki Kabushiki Kaisha
Taro ARIMOTO
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HIGH PRESSURE DISCHARGE LAMP LIGHTING DEVICE, PROJECTOR PROVIDED WI...
Publication number
20140111109
Publication date
Apr 24, 2014
PANASONIC CORPORATION
Hiroji Morimoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IMAGE PROJECTION APPARATUS, CONTROL METHOD, AND COMPUTER-READABLE S...
Publication number
20140104584
Publication date
Apr 17, 2014
Takahiro KADO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PROJECTOR AND METHOD OF CONTROLLING PROJECTOR
Publication number
20140085614
Publication date
Mar 27, 2014
SEIKO EPSON CORPORATION
Shun SATO
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
PROJECTOR
Publication number
20140055752
Publication date
Feb 27, 2014
SEIKO EPSON CORPORATION
Tetsuo TERASHIMA
G02 - OPTICS
Information
Patent Application
Adaptive Bipolar Junction Transistor Gain Detection
Publication number
20130242625
Publication date
Sep 19, 2013
IWATT INC.
Liang Yan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Circuit arrangement and method for operation of a high-pressure dis...
Publication number
20130229128
Publication date
Sep 5, 2013
OSRAM AG
Joachim Muehlschlegel
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD AND DEVICE FOR DRIVING AN HID LAMP
Publication number
20130229129
Publication date
Sep 5, 2013
Koninklijke Philips Electronics N.V.
Johannes Petrus Wernars
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
LIGHT SOURCE DEVICE, PROJECTOR, AND METHOD OF DRIVING DISCHARGE LAMP
Publication number
20130207568
Publication date
Aug 15, 2013
SEIKO EPSON CORPORATION
Junichi SUZUKI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR OPERATING A HIGH-PRESSURE DISCHARGE LAMP OUTSIDE THE NOM...
Publication number
20130134899
Publication date
May 30, 2013
OSRAM GMBH
Norbert Magg
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
PROJECTOR
Publication number
20130088693
Publication date
Apr 11, 2013
SEIKO EPSON CORPORATION
Tetsuo TERASHIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROJECTOR
Publication number
20130088687
Publication date
Apr 11, 2013
SEIKO EPSON CORPORATION
Tetsuo TERASHIMA
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
LIGHT SOURCE DEVICE, METHOD OF DRIVING DISCHARGE LAMP, AND PROJECTOR
Publication number
20130050662
Publication date
Feb 28, 2013
SEIKO EPSON CORPORATION
Junichi Suzuki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR OPERATING A HIGH-PRESSURE DISCHARGE LAMP ON THE BASIS OF...
Publication number
20130049630
Publication date
Feb 28, 2013
OSRAM AG
Herbert Kaestle
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD OF DRIVING AN ARC-DISCHARGE LAMP
Publication number
20130038220
Publication date
Feb 14, 2013
Koninklijke Philips Electronics N.V.
Xaver Riederer
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR