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Song S. Shi
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San Diego, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hysteretic window adjustment of tri-level switching regulator
Patent number
11,005,368
Issue date
May 11, 2021
QUALCOMM Incorporated
Mukesh Bansal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Single-inductor multiple-output (SIMO) power converter with a cross...
Patent number
10,978,947
Issue date
Apr 13, 2021
QUALCOMM Incorporated
Sally Amin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multi-level power supply architecture for radio frequency power amp...
Patent number
10,804,854
Issue date
Oct 13, 2020
QUALCOMM Incorporated
Moataz Abdelsamie Abdelfattah
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Selecting between boosted supply and battery supply
Patent number
10,651,799
Issue date
May 12, 2020
QUALCOMM Incorporated
Zhiqing Zhang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Selecting between boosted supply and battery supply
Patent number
10,340,854
Issue date
Jul 2, 2019
QUALCOMM Incorporated
Zhiqing Zhang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adjusting envelope tracking power supply
Patent number
10,128,798
Issue date
Nov 13, 2018
QUALCOMM Incorporated
Joseph Duncan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Switching power supply for RF power amplifiers
Patent number
9,923,520
Issue date
Mar 20, 2018
QUALCOMM Incorporated
Moataz Abdelsamie Abdelfattah
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Dynamic headroom for envelope tracking
Patent number
9,537,450
Issue date
Jan 3, 2017
QUALCOMM Incorporated
Lennart Karl-Axel Mathe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Envelope tracking circuits and methods with adaptive switching freq...
Patent number
9,379,668
Issue date
Jun 28, 2016
QUALCOMM Incorporated
Jongrit Lerdworatawee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Programmable frequency range for boost converter clocks
Patent number
9,372,492
Issue date
Jun 21, 2016
QUALCOMM Incorporated
Song S Shi
G05 - CONTROLLING REGULATING
Information
Patent Grant
Reverse current prevention
Patent number
9,306,520
Issue date
Apr 5, 2016
QUALCOMM Incorporated
Lennart Karl-Axel Mathe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Control logic for switches coupled to an inductor
Patent number
9,130,457
Issue date
Sep 8, 2015
QUALCOMM Incorporated
Song S Shi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Soft turn-off for boost converters
Patent number
9,124,231
Issue date
Sep 1, 2015
Qualcomm, Inc.
Song S Shi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Noise shaping for switching circuitry
Patent number
9,059,793
Issue date
Jun 16, 2015
QUALCOMM Incorporated
Song S Shi
G05 - CONTROLLING REGULATING
Information
Patent Grant
ESD clamping transistor with switchable clamping modes of operation
Patent number
9,054,520
Issue date
Jun 9, 2015
QUALCOMM Incorporated
Eugene R. Worley
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dynamic headroom for envelope tracking
Patent number
8,866,547
Issue date
Oct 21, 2014
QUALCOMM Incorporated
Lennart Karl-Axel Mathe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Boost converter control for envelope tracking
Patent number
8,754,707
Issue date
Jun 17, 2014
QUALCOMM Incorporated
Lennart Karl-Axel Mathe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Output circuits with class D amplifier
Patent number
8,633,763
Issue date
Jan 21, 2014
QUALCOMM Incorporated
Brett C Walker
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Output circuits with class D amplifier
Patent number
8,536,938
Issue date
Sep 17, 2013
Qualcomm, Incorporated
Brett C Walker
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Output circuits with class D amplifier
Patent number
8,022,756
Issue date
Sep 20, 2011
Qualcomm, Incorporated
Brett C. Walker
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
POWER SUPPLY REUSE FOR HIGH-POWER POWER AMPLIFIER
Publication number
20240429882
Publication date
Dec 26, 2024
QUALCOMM Incorporated
Chengwu TAO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
HYSTERETIC WINDOW ADJUSTMENT OF TRI-LEVEL SWITCHING REGULATOR
Publication number
20210083576
Publication date
Mar 18, 2021
QUALCOMM Incorporated
Mukesh BANSAL
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Single-Inductor Multiple-Output (SIMO) Power Converter with a Cross...
Publication number
20200328677
Publication date
Oct 15, 2020
QUALCOMM Incorporated
Sally Amin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SELECTING BETWEEN BOOSTED SUPPLY AND BATTERY SUPPLY
Publication number
20190326858
Publication date
Oct 24, 2019
QUALCOMM Incorporated
Zhiqing ZHANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SWITCHING POWER SUPPLY FOR RF POWER AMPLIFIERS
Publication number
20180083576
Publication date
Mar 22, 2018
QUALCOMM Incorporated
Moataz Abdelsamie ABDELFATTAH
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ADJUSTING ENVELOPE TRACKING POWER SUPPLY
Publication number
20180034416
Publication date
Feb 1, 2018
QUALCOMM Incorporated
Joseph DUNCAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
POWER SUPPLY CONTROL
Publication number
20180034417
Publication date
Feb 1, 2018
QUALCOMM Incorporated
Joseph DUNCAN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SELECTING BETWEEN BOOSTED SUPPLY AND BATTERY SUPPLY
Publication number
20180034415
Publication date
Feb 1, 2018
QUALCOMM Incorporated
Zhiqing ZHANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DYNAMIC HEADROOM FOR ENVELOPE TRACKING
Publication number
20150002235
Publication date
Jan 1, 2015
QUALCOMM Incorporated
Lennart Karl-Axel Mathe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
NOISE SHAPING FOR SWITCHING CIRCUITRY
Publication number
20140213208
Publication date
Jul 31, 2014
QUALCOMM Incorporated
Song S. Shi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DYNAMIC HEADROOM FOR ENVELOPE TRACKING
Publication number
20140210559
Publication date
Jul 31, 2014
QUALCOMM Incorporated
Lennart Karl-Axel Mathe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SOFT TURN-OFF FOR BOOST CONVERTERS
Publication number
20140210548
Publication date
Jul 31, 2014
QUALCOMM Incorporated
Song S. Shi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
REVERSE CURRENT PREVENTION
Publication number
20140210550
Publication date
Jul 31, 2014
QUALCOMM Incorporated
Lennart Karl-Axel Mathe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ESD CLAMPING TRANSISTOR WITH SWITCHABLE CLAMPING MODES OF OPERATION
Publication number
20140204488
Publication date
Jul 24, 2014
QUALCOMM Incorporated
Eugene R. Worley
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PROGRAMMABLE FREQUENCY RANGE FOR BOOST CONVERTER CLOCKS
Publication number
20140197814
Publication date
Jul 17, 2014
QUALCOMM Incorporated
Song S. Shi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BOOST CONVERTER CONTROL
Publication number
20140111170
Publication date
Apr 24, 2014
QUALCOMM Incorporated
Song Stone Shi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BOOST CONVERTER CONTROL FOR ENVELOPE TRACKING
Publication number
20140111276
Publication date
Apr 24, 2014
QUALCOMM Incorporated
Lennart Karl-Axel Mathe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OUTPUT CIRCUITS WITH CLASS D AMPLIFIER
Publication number
20110285463
Publication date
Nov 24, 2011
QUALCOMM Incorporated
Brett C. Walker
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OUTPUT CIRCUITS WITH CLASS D AMPLIFIER
Publication number
20110285472
Publication date
Nov 24, 2011
QUALCOMM Incorporated
Brett C. Walker
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OUTPUT CIRCUITS WITH CLASS D AMPLIFIER
Publication number
20080284508
Publication date
Nov 20, 2008
Brett C. Walker
H03 - BASIC ELECTRONIC CIRCUITRY