by frequency variation

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H05B41/3925

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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

H05B41/3925by frequency variation

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for determining a target light intensity from...
- Patent number 11,696,379
- Issue date Jul 4, 2023
- Lutron Technology Company LLC
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for determining a target light intensity from...
- Patent number 11,490,475
- Issue date Nov 1, 2022
- Lutron Technology Company LLC
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Light emission control device, light source device, and projection-...
- Patent number 11,057,594
- Issue date Jul 6, 2021
- Seiko Epson Corporation
- Yuki Yamamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Measurement assembly and positioning system
- Patent number 10,901,427
- Issue date Jan 26, 2021
- BOE Technology Group Co., Ltd.
- Weiqing Guo
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for determining a target light intensity from...
- Patent number 10,805,994
- Issue date Oct 13, 2020
- Lutron Technology Company LLC
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for determining a target light intensity from...
- Patent number 10,070,507
- Issue date Sep 4, 2018
- Lutron Electronics Co., Inc.
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for determining a target light intensity from...
- Patent number 9,795,019
- Issue date Oct 17, 2017
- Lutron Electronics Co., Inc.
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for determining a target light intensity from...
- Patent number 9,326,356
- Issue date Apr 26, 2016
- Lutron Electronics Co., Inc.
- Donald F. Hausman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for a switched-mode power supply
- Patent number 9,231,472
- Issue date Jan 5, 2016
- Infineon Technologies Austria AG
- Xiao Wu Gong
- H05 - ELECTRIC TECHNIQUES 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
Ballast with temperature compensation
- Patent number 9,119,275
- Issue date Aug 25, 2015
- General Electric Company
- Hongbin Wei
- 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
Information Patent Grant
Power factor correction method and device for discharge lamps, for...
- Patent number 8,847,502
- Issue date Sep 30, 2014
- Luigi Desiderato
- 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
Method and apparatus for determining a target light intensity from...
- Patent number 8,803,432
- Issue date Aug 12, 2014
- Lutron Electronics Co., Inc.
- Donald F. Hausman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
HID lighting system
- Patent number 8,766,549
- Issue date Jul 1, 2014
- Koninklijke Philips N.V.
- John Stephane Hirsch
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High resolution pulse width modulation (PWM) frequency control usin...
- Patent number 8,698,414
- Issue date Apr 15, 2014
- Microchip Technology Incorporated
- Stephen Bowling
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for adjusting light brightness using a toggle switch and rel...
- Patent number 8,569,968
- Issue date Oct 29, 2013
- Princeton Technology Corporation
- En-Hsun Hsiao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light source apparatus
- Patent number 8,541,954
- Issue date Sep 24, 2013
- Ushio Denki Kabushiki Kaisha
- Kosuke Saka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit arrangement and method for operation of a discharge lamp
- Patent number 8,531,122
- Issue date Sep 10, 2013
- OSRAM Gesellschaft mit beschraenkter Haftung
- Alois Braun
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast for a discharge lamp
- Patent number 8,461,771
- Issue date Jun 11, 2013
- OSRAM Gesellschaft mit beschraenkter Haftung
- Thomas Pollischansky
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of controlling an operating frequency of an electronic dimmi...
- Patent number 8,384,297
- Issue date Feb 26, 2013
- Lutron Electronics Co., Inc.
- Jonathan Robert Quayle
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluorescent lamp dimmer with multi-function integrated circuit
- Patent number 8,358,078
- Issue date Jan 22, 2013
- Technical Consumer Products, Inc.
- David Natarelli
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Discharge lamp lighting device and image display device that contro...
- Patent number 8,348,437
- Issue date Jan 8, 2013
- Panasonic Corporation
- Koji Watanabe
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dimming electronic ballast with preheat current control
- Patent number 8,294,384
- Issue date Oct 23, 2012
- Panasonic Corporation
- Kenji Matsuda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Output controllable frequency modulation electronic ballast
- Patent number 8,269,422
- Issue date Sep 18, 2012
- Chien-Chih Kuo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast with multimode lamp power control
- Patent number 8,253,351
- Issue date Aug 28, 2012
- Panasonic Corporation
- Masafumi Yamamoto
- 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
Using pulse density modulation for controlling dimmable electronic...
- Patent number 8,193,719
- Issue date Jun 5, 2012
- Microchip Technology Incorporated
- John K. Gulsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Determining a Target Light Intensity From...
- Publication number 20230038540
- Publication date Feb 9, 2023
- Lutron Technology Company LLC
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and Apparatus for Determining a Target Light Intensity From...
- Publication number 20210029790
- Publication date Jan 28, 2021
- Lutron Technology Company LLC
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MEASUREMENT ASSEMBLY AND POSITIONING SYSTEM
- Publication number 20190033878
- Publication date Jan 31, 2019
- BOE TECHNOLOGY GROUP CO., LTD.
- Weiqing GUO
- G05 - CONTROLLING REGULATING
Information Patent Application
Method and Apparatus for Determining a Target Light Intensity From...
- Publication number 20180376573
- Publication date Dec 27, 2018
- Lutron Electronics Co., Inc.
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRONIC BALLAST SYSTEM FOR SIGNAGE LIGHT
- Publication number 20180108281
- Publication date Apr 19, 2018
- Delta Electronics, Inc.
- Yung-Chuan Lu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Method and Apparatus for Determining a Target Light Intensity From...
- Publication number 20180042093
- Publication date Feb 8, 2018
- Lutron Electronics Co., Inc.
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
METHOD AND APPARATUS FOR DETERMINING A TARGET LIGHT INTENSITY FROM...
- Publication number 20140312874
- Publication date Oct 23, 2014
- Lutron Electronics Co., Inc.
- Donald F. Hausman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BALLAST WITH TEMPERATURE COMPENSATION
- Publication number 20140111106
- Publication date Apr 24, 2014
- GENERAL ELECTRIC COMPANY
- Hongbin Wei
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR THE CONTROL OF LUMINANCE OF GAS DISCHARGE LAMPS
- Publication number 20140035480
- Publication date Feb 6, 2014
- Tsvi Blumin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
HID LIGHTING SYSTEM
- Publication number 20120306395
- Publication date Dec 6, 2012
- Koninklijke Philips Electronics N.V.
- John Stephane Hirsch
- H01 - BASIC ELECTRIC ELEMENTS
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
METHOD AND APPARATUS FOR DETERMINING A TARGET LIGHT INTENSITY FROM...
- Publication number 20120286681
- Publication date Nov 15, 2012
- Donald F. Hausman, JR.
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
POWER FACTOR CORRECTION METHOD AND DEVICE FOR DISCHARGE LAMPS, FOR...
- Publication number 20120176053
- Publication date Jul 12, 2012
- Luigi Desiderato
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD FOR ADJUSTING LIGHT BRIGHTNESS USING A TOGGLE SWITCH AND REL...
- Publication number 20120098447
- Publication date Apr 26, 2012
- En-Hsun Hsiao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method of Measuring a Resonant Frequency in an Electronic Dimming B...
- Publication number 20120043903
- Publication date Feb 23, 2012
- Lutron Electronics Co., Inc.
- Jonathan Robert Quayle
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
OUTPUT CONTROLLABLE FREQUENCY MODULATION ELECTRONIC BALLAST
- Publication number 20110254458
- Publication date Oct 20, 2011
- CHIEN-CHIH KUO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method of Controlling an Electronic Dimming Ballast During Low Temp...
- Publication number 20110241561
- Publication date Oct 6, 2011
- Lutron Electronics Co., Inc.
- Venkatesh Chitta
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Light source apparatus
- Publication number 20110221356
- Publication date Sep 15, 2011
- Ushio Denki Kabushiki Kaisha
- Kosuke Saka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SINGLE CHIP BALLAST CONTROLLER CAPABLE OF PROVIDING BRIGHTNESS LEVE...
- Publication number 20110199024
- Publication date Aug 18, 2011
- Ko-Ming Lin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CIRCUIT ARRANGEMENT AND METHOD FOR OPERATION OF A DISCHARGE LAMP
- Publication number 20110169427
- Publication date Jul 14, 2011
- OSRAM Gesellschaft mit beschraenkter Haftung
- Alois Braun
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SINGLE CHIP BALLAST CONTROLLER FOR STEP-DIMMING OF A FLUORESCENT LAMP
- Publication number 20110169425
- Publication date Jul 14, 2011
- GRENERGY OPTO, INC.
- Chang-Ling Sha
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DISPLAY APPARATUS AND BACKLIGHT UNIT FOR CONTROLLING PLURALITY OF L...
- Publication number 20110089849
- Publication date Apr 21, 2011
- Samsung Electronics Co., Ltd.
- Pankaj AGARWAL
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ADJUSTING DEVICE FOR REGULATING THE ILLUMINATION OF A LAMP AND THE...
- Publication number 20110068710
- Publication date Mar 24, 2011
- Guang-Yi WU
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method and Apparatus For Reduction of Excess Current During Initial...
- Publication number 20110025233
- Publication date Feb 3, 2011
- Louis J. Morales
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING
- Publication number 20110012536
- Publication date Jan 20, 2011
- GRENERGY OPTO, INC.
- Ko-Ming Lin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC BALLAST FOR A DISCHARGE LAMP
- Publication number 20100308741
- Publication date Dec 9, 2010
- OSRAM Gesellschaft mit beschraenkter Haftung
- Thomas Pollischansky
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM FOR ADJUSTING A LIGHT SOURCE BY SENSING AMBIENT ILLUMINATION
- Publication number 20100277076
- Publication date Nov 4, 2010
- ECOLIVEGREEN CORP.
- Alfred Tracy
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING
- Publication number 20100277100
- Publication date Nov 4, 2010
- Ko-Ming Lin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

by frequency variation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and apparatus for determining a target light intensity from...

Method and apparatus for determining a target light intensity from...

Light emission control device, light source device, and projection-...

Measurement assembly and positioning system

Method and apparatus for determining a target light intensity from...

Method and apparatus for determining a target light intensity from...

Method and apparatus for determining a target light intensity from...

Method and apparatus for determining a target light intensity from...

System and method for a switched-mode power supply

Circuit for reducing flicker in a lighting load

Ballast with temperature compensation

Adaptive bipolar junction transistor gain detection

Power factor correction method and device for discharge lamps, for...

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

Method and apparatus for determining a target light intensity from...

HID lighting system

High resolution pulse width modulation (PWM) frequency control usin...

Method for adjusting light brightness using a toggle switch and rel...

Light source apparatus

Circuit arrangement and method for operation of a discharge lamp

Electronic ballast for a discharge lamp

Method of controlling an operating frequency of an electronic dimmi...

Fluorescent lamp dimmer with multi-function integrated circuit

Discharge lamp lighting device and image display device that contro...

Dimming electronic ballast with preheat current control

Output controllable frequency modulation electronic ballast

Electronic ballast with multimode lamp power control

Fluorescent dimming ballast

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

Using pulse density modulation for controlling dimmable electronic...

Patents Applicationslast 30 patents

Method and Apparatus for Determining a Target Light Intensity From...

Method and Apparatus for Determining a Target Light Intensity From...

MEASUREMENT ASSEMBLY AND POSITIONING SYSTEM

Method and Apparatus for Determining a Target Light Intensity From...

ELECTRONIC BALLAST SYSTEM FOR SIGNAGE LIGHT

Method and Apparatus for Determining a Target Light Intensity From...

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

METHOD AND APPARATUS FOR DETERMINING A TARGET LIGHT INTENSITY FROM...

BALLAST WITH TEMPERATURE COMPENSATION

METHOD FOR THE CONTROL OF LUMINANCE OF GAS DISCHARGE LAMPS

Adaptive Bipolar Junction Transistor Gain Detection

HID LIGHTING SYSTEM

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

METHOD AND APPARATUS FOR DETERMINING A TARGET LIGHT INTENSITY FROM...

POWER FACTOR CORRECTION METHOD AND DEVICE FOR DISCHARGE LAMPS, FOR...

METHOD FOR ADJUSTING LIGHT BRIGHTNESS USING A TOGGLE SWITCH AND REL...

Method of Measuring a Resonant Frequency in an Electronic Dimming B...

OUTPUT CONTROLLABLE FREQUENCY MODULATION ELECTRONIC BALLAST

Method of Controlling an Electronic Dimming Ballast During Low Temp...

Light source apparatus

SINGLE CHIP BALLAST CONTROLLER CAPABLE OF PROVIDING BRIGHTNESS LEVE...

CIRCUIT ARRANGEMENT AND METHOD FOR OPERATION OF A DISCHARGE LAMP

SINGLE CHIP BALLAST CONTROLLER FOR STEP-DIMMING OF A FLUORESCENT LAMP

DISPLAY APPARATUS AND BACKLIGHT UNIT FOR CONTROLLING PLURALITY OF L...

ADJUSTING DEVICE FOR REGULATING THE ILLUMINATION OF A LAMP AND THE...

Method and Apparatus For Reduction of Excess Current During Initial...

ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING

ELECTRONIC BALLAST FOR A DISCHARGE LAMP

SYSTEM FOR ADJUSTING A LIGHT SOURCE BY SENSING AMBIENT ILLUMINATION

ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING