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Sherif Galal
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Irvine, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dynamic common-mode adjustment for power amplifiers
Patent number
12,028,030
Issue date
Jul 2, 2024
QUALCOMM Incorporated
Dongyang Tang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Voltage-to-current architecture and error
Patent number
11,885,836
Issue date
Jan 30, 2024
QUALCOMM Incorporated
Ramkumar Sivakumar
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Hybrid class-H/predictive class-G switching amplifier architecture
Patent number
11,876,493
Issue date
Jan 16, 2024
QUALCOMM Incorporated
Subbarao Surendra Chakkirala
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class-D amplifier with deadtime distortion compensation
Patent number
11,683,015
Issue date
Jun 20, 2023
QUALCOMM Incorporated
ChienChung Yang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Voltage-to-current architecture and error correction schemes
Patent number
11,536,749
Issue date
Dec 27, 2022
QUALCOMM Incorporated
Ramkumar Sivakumar
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Current limiting for a boost converter
Patent number
11,424,672
Issue date
Aug 23, 2022
QUALCOMM Incorporated
Pradeep Silva
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Enhancing speaker protection accuracy
Patent number
11,374,542
Issue date
Jun 28, 2022
QUALCOMM Incorporated
Khaled Mahmoud Abdelfattah Aly
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Clamp circuit
Patent number
11,307,604
Issue date
Apr 19, 2022
QUALCOMM Incorporated
Kshitij Yadav
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Pre-drive level shifter with compact bias generator
Patent number
11,133,792
Issue date
Sep 28, 2021
QUALCOMM Incorporated
Qubo Zhou
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Delay circuit that accurately maintains input duty cycle
Patent number
10,944,385
Issue date
Mar 9, 2021
QUALCOMM Incorporated
Subbarao Surendra Chakkirala
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Class-H switching amplifier circuit having supply voltage proportio...
Patent number
10,326,405
Issue date
Jun 18, 2019
QUALCOMM Incorporated
Sherif Galal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Preventing distortion in a differential power amplifier
Patent number
10,110,175
Issue date
Oct 23, 2018
QUALCOMM Incorporated
Khaled Abdelfattah
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Differential class-D amplifier
Patent number
9,742,366
Issue date
Aug 22, 2017
QUALCOMM Incorporated
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Speaker protection circuit with improved accuracy
Patent number
9,473,851
Issue date
Oct 18, 2016
QUALCOMM Incorporated
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power-efficient multi-mode charge pump
Patent number
8,829,979
Issue date
Sep 9, 2014
Broadcom Corporation
Sherif Galal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Quiescent control circuit for providing control current for an ampl...
Patent number
8,766,722
Issue date
Jul 1, 2014
Broadcom Corporation
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class-AB/B amplifier with quiescent control circuit
Patent number
8,665,023
Issue date
Mar 4, 2014
Broadcom Corporation
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier with reduced on/off transient and multi-point offset comp...
Patent number
8,482,347
Issue date
Jul 9, 2013
Broadcom Corporation
Iuri Mehr
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class-AB/B amplifier and quiescent control circuit for implementati...
Patent number
8,294,518
Issue date
Oct 23, 2012
Broadcom Corporation
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bias circuit with increased power supply rejection
Patent number
7,622,994
Issue date
Nov 24, 2009
Broadcom Corporation
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Active load with adjustable common-mode level
Patent number
7,474,151
Issue date
Jan 6, 2009
Broadcom Corporation
Venugopal Gopinathan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Active load with adjustable common-mode level
Patent number
7,282,994
Issue date
Oct 16, 2007
Broadcom Corporation
Venugopal Gopinathan
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
ADAPTIVELY ADJUSTING AN INPUT CURRENT LIMIT FOR A BOOST CONVERTER
Publication number
20230300524
Publication date
Sep 21, 2023
QUALCOMM Incorporated
Subbarao Surendra CHAKKIRALA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
HYBRID CLASS-H/PREDICTIVE CLASS-G SWITCHING AMPLIFIER ARCHITECTURE
Publication number
20230253934
Publication date
Aug 10, 2023
QUALCOMM Incorporated
Subbarao Surendra CHAKKIRALA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DYNAMIC COMMON-MODE ADJUSTMENT FOR POWER AMPLIFIERS
Publication number
20230238925
Publication date
Jul 27, 2023
QUALCOMM Incorporated
Dongyang TANG
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
VOLTAGE-TO-CURRENT ARCHITECTURE AND ERROR CORRECTION SCHEMES
Publication number
20230137935
Publication date
May 4, 2023
QUALCOMM Incorporated
Ramkumar SIVAKUMAR
G01 - MEASURING TESTING
Information
Patent Application
POWER AMPLIFIER MANAGEMENT
Publication number
20230108378
Publication date
Apr 6, 2023
QUALCOMM Incorporated
Earl Schreyer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CLASS-D AMPLIFIER WITH DEADTIME DISTORTION COMPENSATION
Publication number
20230058434
Publication date
Feb 23, 2023
QUALCOMM Incorporated
ChienChung YANG
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ENHANCING SPEAKER PROTECTION ACCURACY
Publication number
20220302884
Publication date
Sep 22, 2022
QUALCOMM Incorporated
Khaled Mahmoud ABDELFATTAH ALY
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SWITCHING AMPLIFIER ARCHITECTURE WITH MULTIPLE SUPPLIES
Publication number
20220239226
Publication date
Jul 28, 2022
QUALCOMM Incorporated
Subbarao Surendra CHAKKIRALA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ENHANCING SPEAKER PROTECTION ACCURACY
Publication number
20210265958
Publication date
Aug 26, 2021
QUALCOMM Incorporated
Khaled Mahmoud ABDELFATTAH ALY
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VOLTAGE-TO-CURRENT ARCHITECTURE AND ERROR CORRECTION SCHEMES
Publication number
20210231710
Publication date
Jul 29, 2021
QUALCOMM Incorporated
Ramkumar SIVAKUMAR
G01 - MEASURING TESTING
Information
Patent Application
CLAMP CIRCUIT
Publication number
20210232169
Publication date
Jul 29, 2021
QUALCOMM Incorporated
Kshitij YADAV
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CURRENT LIMITING FOR A BOOST CONVERTER
Publication number
20210234457
Publication date
Jul 29, 2021
QUALCOMM Incorporated
Pradeep SILVA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Class-H Switching Amplifier Circuit Having Supply Voltage Proportio...
Publication number
20180337637
Publication date
Nov 22, 2018
QUALCOMM Incorporated
Sherif GALAL
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIFFERENTIAL CLASS-D AMPLIFIER
Publication number
20170019078
Publication date
Jan 19, 2017
QUALCOMM Incorporated
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SPEAKER PROTECTION CIRCUIT WITH IMPROVED ACCURACY
Publication number
20160182998
Publication date
Jun 23, 2016
Qualcomm, Incorporated.
Sherif Galal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Quiescent Control Circuit for Providing Control Current for an Ampl...
Publication number
20130063214
Publication date
Mar 14, 2013
BROADCOM CORPORATION
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Class-AB/B amplifier with quiescent control circuit
Publication number
20130064398
Publication date
Mar 14, 2013
BROADCOM CORPORATION
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Amplifier with reduced on/off transient and multi-point offset comp...
Publication number
20120146719
Publication date
Jun 14, 2012
BROADCOM CORPORATION
Iuri Mehr
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Class-AB/B amplifier and quiescent control circuit for implementati...
Publication number
20120056672
Publication date
Mar 8, 2012
Broadcom Corporation
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Power-efficient multi-mode charge pump
Publication number
20110204961
Publication date
Aug 25, 2011
BROADCOM CORPORATION
Sherif Galal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Bias circuit with increased power supply rejection
Publication number
20080084246
Publication date
Apr 10, 2008
Sherif Galal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Active load with adjustable common-mode level
Publication number
20080030273
Publication date
Feb 7, 2008
BROADCOM CORPORATION
Venugopal Gopinathan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Low-voltage regulated current source
Publication number
20070229150
Publication date
Oct 4, 2007
BROADCOM CORPORATION
Sherif Galal
G05 - CONTROLLING REGULATING
Information
Patent Application
Active load with adjustable common-mode level
Publication number
20060082415
Publication date
Apr 20, 2006
BROADCOM CORPORATION
Venugopal Gopinathan
H03 - BASIC ELECTRONIC CIRCUITRY