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Rahul Singh
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Austin, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Digital pulse-width modulation (PWM) modulator with dynamically swi...
Patent number
11,502,671
Issue date
Nov 15, 2022
Cirrus Logic, Inc.
Qiang Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Distortion reducing variable output impedance class-D amplifier
Patent number
11,290,069
Issue date
Mar 29, 2022
Cirrus Logic, Inc.
Zhaohui He
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class-D amplifier with multiple power rails and quantizer that swit...
Patent number
11,245,370
Issue date
Feb 8, 2022
Cirrus Logic, Inc.
Zhaohui He
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class-D amplifier with multiple independent output stages
Patent number
10,972,061
Issue date
Apr 6, 2021
Cirrus Logic, Inc.
Zhaohui He
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low power dissipation high performance Class-D amplifier
Patent number
10,862,442
Issue date
Dec 8, 2020
Cirrus Logic, Inc.
Zhaohui He
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Systems and methods for providing an auto-calibrated voltage reference
Patent number
10,401,886
Issue date
Sep 3, 2019
Cirrus Logic, Inc.
John L. Melanson
G05 - CONTROLLING REGULATING
Information
Patent Grant
Controlled electronic system power dissipation via an auxiliary-pow...
Patent number
10,187,934
Issue date
Jan 22, 2019
PHILIPS LIGHTING HOLDING B.V.
John L. Melanson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Charge pump-based drive circuitry for bipolar junction transistor (...
Patent number
9,735,671
Issue date
Aug 15, 2017
Cirrus Logic, Inc.
John L. Melanson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
LED (light-emitting diode) string derived controller power supply
Patent number
9,713,206
Issue date
Jul 18, 2017
Philips Lighting Holding B.V.
John L. Melanson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Switch-mode drive sensing of reverse recovery in bipolar junction t...
Patent number
9,609,701
Issue date
Mar 28, 2017
Cirrus Logic, Inc.
John L. Melanson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Acceleration of output energy provision for a load during start-up...
Patent number
9,520,794
Issue date
Dec 13, 2016
Philips Lighting Holding B.V.
Siddharth Maru
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Compensating for a reverse recovery time period of a bipolar juncti...
Patent number
9,504,106
Issue date
Nov 22, 2016
Cirrus Logic, Inc.
John L. Melanson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Resistance measurement of a resistor in a bipolar junction transist...
Patent number
9,504,118
Issue date
Nov 22, 2016
Cirrus Logic, Inc.
Shatam Agarwal
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Two terminal drive of bipolar junction transistor (BJT) of a light...
Patent number
9,496,855
Issue date
Nov 15, 2016
Cirrus Logic, Inc.
Siddharth Maru
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low power analog-to-digital converter for sensing geophone signals
Patent number
9,335,429
Issue date
May 10, 2016
Cirrus Logic, Inc.
John L. Melanson
G01 - MEASURING TESTING
Information
Patent Grant
Input voltage sensing for a switching power converter and a triac-b...
Patent number
9,307,601
Issue date
Apr 5, 2016
Koninklijke Philips N.V.
Zhaohui He
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Reduction of supply current variations using compensation current c...
Patent number
9,225,252
Issue date
Dec 29, 2015
Prashanth Drakshapalli
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Systems and methods for valley switching in a switching power conve...
Patent number
9,214,862
Issue date
Dec 15, 2015
Philips International, B.V.
Poornima Mazumdar
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Active thermal protection for switches
Patent number
9,184,666
Issue date
Nov 10, 2015
Mohit Sood
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Inductor over-current protection using a volt-second value represen...
Patent number
9,178,415
Issue date
Nov 3, 2015
Cirrus Logic, Inc.
Michael A. Kost
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Mixed load current compensation for LED lighting
Patent number
9,167,662
Issue date
Oct 20, 2015
Cirrus Logic, Inc.
Eric J. King
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
LED (light-emitting diode) string derived controller power supply
Patent number
9,161,401
Issue date
Oct 13, 2015
John L. Melanson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Low power analog-to-digital converter for sensing geophone signals
Patent number
8,970,413
Issue date
Mar 3, 2015
Cirrus Logic, Inc.
John L. Melanson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Integrated circuit switching power supply controller with selectabl...
Patent number
8,912,781
Issue date
Dec 16, 2014
Cirrus Logic, Inc.
Rahul Singh
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Constant current controller with selectable gain
Patent number
8,593,075
Issue date
Nov 26, 2013
Cirrus Logic, Inc.
John L. Melanson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Complex wavelet filter based power measurement and calibration system
Patent number
8,165,835
Issue date
Apr 24, 2012
Cirrus Logic, Inc.
Rahul Singh
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for automatically securing non-volatile (NV) s...
Patent number
7,657,722
Issue date
Feb 2, 2010
Cirrus Logic, Inc.
Edwin De Angel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Luminance/chrominance video data separation circuits and methods an...
Patent number
7,538,823
Issue date
May 26, 2009
Cirrus Logic, Inc.
Rahul Singh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for reducing switching noise in a system-on-ch...
Patent number
7,515,076
Issue date
Apr 7, 2009
Cirrus Logic, Inc.
Rahul Singh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and system for synchronizing video information derived from...
Patent number
7,499,106
Issue date
Mar 3, 2009
Cirrus Logic, Inc.
Daniel Gudmunson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
DIGITAL PULSE-WIDTH MODULATION (PWM) MODULATOR WITH DYNAMICALLY SWI...
Publication number
20220247389
Publication date
Aug 4, 2022
Cirrus Logic International Semiconductor Ltd.
Qiang Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DISTORTION REDUCING VARIABLE OUTPUT IMPEDANCE CLASS-D AMPLIFIER
Publication number
20210044265
Publication date
Feb 11, 2021
Cirrus Logic International Semiconductor Ltd.
ZHAOHUI HE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CLASS-D AMPLIFIER WITH MULTIPLE POWER RAILS AND QUANTIZER THAT SWIT...
Publication number
20210044264
Publication date
Feb 11, 2021
Cirrus Logic International Semiconductor Ltd.
ZHAOHUI HE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CLASS-D AMPLIFIER WITH MULTIPLE INDEPENDENT OUTPUT STAGES
Publication number
20190149101
Publication date
May 16, 2019
Cirrus Logic International Semiconductor Ltd.
ZHAOHUI HE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
LOW POWER DISSIPATION HIGH PERFORMANCE CLASS-D AMPLIFIER
Publication number
20190149107
Publication date
May 16, 2019
Cirrus Logic International Semiconductor Ltd.
ZHAOHUI HE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SWITCH-MODE DRIVE SENSING OF REVERSE RECOVERY IN BIPOLAR JUNCTION T...
Publication number
20160255685
Publication date
Sep 1, 2016
Cirrus Logic, Inc.
John L. Melanson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
RESISTANCE MEASUREMENT OF A RESISTOR IN A BIPOLAR JUNCTION TRANSIST...
Publication number
20160242258
Publication date
Aug 18, 2016
Cirrus Logic, Inc.
Shatam Agarwal
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LED (LIGHT-EMITTING DIODE) STRING DERIVED CONTROLLER POWER SUPPLY
Publication number
20150327339
Publication date
Nov 12, 2015
John L. Melanson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SYSTEMS AND METHODS FOR VALLEY SWITCHING IN A SWITCHING POWER CONVE...
Publication number
20150303796
Publication date
Oct 22, 2015
Cirrus Logic, Inc.
Poornima Mazumdar
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LED (LIGHT-EMITTING DIODE) STRING DERIVED CONTROLLER POWER SUPPLY
Publication number
20150271882
Publication date
Sep 24, 2015
Cirrus Logic, Inc.
John L. Melanson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LOW POWER ANALOG-TO-DIGITAL CONVERTER FOR SENSING GEOPHONE SIGNALS
Publication number
20150171889
Publication date
Jun 18, 2015
Cirrus Logic, Inc.
John L. Melanson
G01 - MEASURING TESTING
Information
Patent Application
TWO TERMINAL DRIVE OF BIPOLAR JUNCTION TRANSISTOR (BJT) FOR SWITCH-...
Publication number
20150028764
Publication date
Jan 29, 2015
Cirrus Logic, Inc.
Siddharth Maru
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
COMPENSATING FOR A REVERSE RECOVERY TIME PERIOD OF A BIPOLAR JUNCTI...
Publication number
20150028768
Publication date
Jan 29, 2015
Cirrus Logic, Inc.
John L. Melanson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CHARGE PUMP-BASED DRIVE CIRCUITRY FOR BIPOLAR JUNCTION TRANSISTOR (...
Publication number
20140339999
Publication date
Nov 20, 2014
Cirrus Logic, Inc.
John L. Melanson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Controlled Electronic System Power Dissipation via an Auxiliary-Pow...
Publication number
20140265916
Publication date
Sep 18, 2014
Cirrus Logic, Inc.
John L. Melanson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Reduction of Supply Current Variations Using Compensation Current C...
Publication number
20140252975
Publication date
Sep 11, 2014
Cirrus Logic, Inc.
Prashanth Drakshapalli
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ACTIVE THERMAL PROTECTION FOR SWITCHES
Publication number
20140028213
Publication date
Jan 30, 2014
Mohit Sood
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ACCELERATION OF OUTPUT ENERGY PROVISION FOR A LOAD DURING START-UP...
Publication number
20140028095
Publication date
Jan 30, 2014
Siddharth Maru
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Input Voltage Sensing For A Switching Power Converter And A Triac-B...
Publication number
20130002163
Publication date
Jan 3, 2013
Zhaohui He
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
INTEGRATED CIRCUIT SWITCHING POWER SUPPLY CONTROLLER WITH SELECTABL...
Publication number
20120025736
Publication date
Feb 2, 2012
Rahul Singh
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and apparatus to improve decoding of composite video signals
Publication number
20060078054
Publication date
Apr 13, 2006
Cirrus Logic, Inc.
Daniel Gudmundson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Inverse tracking over two different clock domains
Publication number
20060077296
Publication date
Apr 13, 2006
Cirrus Logic, Inc.
Daniel Gudmundson
H04 - ELECTRIC COMMUNICATION TECHNIQUE