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H03F3/187
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Parent Industries
H
ELECTRICITY
H03
Electronic circuits
H03F
AMPLIFIERS
H03F3/00
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Current Industry
H03F3/187
in integrated circuits
Industries
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Splice-point determined zero-crossing management in audio amplifiers
Patent number
12,166,457
Issue date
Dec 10, 2024
Cirrus Logic, Inc.
John L. Melanson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplifier modules including semiconductor resistor and tantal...
Patent number
12,143,077
Issue date
Nov 12, 2024
Skyworks Solutions, Inc.
Peter J. Zampardi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dual-domain power distribution system in a mobile device
Patent number
12,107,551
Issue date
Oct 1, 2024
Cirrus Logic Inc.
Eric J. King
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Heterogeneously integrated acoustoelectric amplifiers
Patent number
11,948,979
Issue date
Apr 2, 2024
National Technology & Engineering Solutions of Sandia, LLC
Matt Eichenfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Symmetric layout for high-voltage amplifier
Patent number
11,942,468
Issue date
Mar 26, 2024
Cirrus Logic, Inc.
Aleksey Khenkin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Amplifier assembly and method of amplification particularly for por...
Patent number
11,881,819
Issue date
Jan 23, 2024
Helm Audio Limited
Eric Johnson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio amplifier with embedded buck controller for class-G application
Patent number
11,831,286
Issue date
Nov 28, 2023
STMicroelectronics (Shenzhen) R&D Co. Ltd.
XiangSheng Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class D amplifier circuit
Patent number
11,804,813
Issue date
Oct 31, 2023
Cirrus Logic Inc.
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Zero-crossing management in Class-D audio amplifiers
Patent number
11,722,107
Issue date
Aug 8, 2023
Cirrus Logic, Inc.
John L. Melanson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Audio source amplification with speaker protection features and int...
Patent number
11,706,565
Issue date
Jul 18, 2023
Meta Platforms Technologies, LLC
Marshall Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adaptive sample and hold circuit for signal amplifier range selection
Patent number
11,689,165
Issue date
Jun 27, 2023
Dialog Semiconductor B.V.
Anthony Gribben
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Trans-impedance amplifier (TIA) for ultrasound devices
Patent number
11,662,447
Issue date
May 30, 2023
BFLY OPERATIONS, INC.
Kailiang Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier circuit and methods of operation thereof
Patent number
11,652,405
Issue date
May 16, 2023
Cirrus Logic, Inc.
John P. Lesso
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Class D amplifier with current mode control
Patent number
11,575,354
Issue date
Feb 7, 2023
RGB Systems, Inc.
Eric Mendenhall
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Capacitive sensor assemblies and electrical circuits therefor
Patent number
11,536,757
Issue date
Dec 27, 2022
Knowles Electronics, LLC
Michael Jennings
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Amplifier
Patent number
11,502,647
Issue date
Nov 15, 2022
SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Kazumasa Nishimura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier switching control systems and methods
Patent number
11,496,096
Issue date
Nov 8, 2022
Maxim Integrated Products, Inc.
Cary Delano
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-phase power converter system using multiple amplifier integra...
Patent number
11,456,704
Issue date
Sep 27, 2022
Cirrus Logic, Inc.
Jeffrey Allen May
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power amplifier systems with control interface and bias circuit
Patent number
11,451,199
Issue date
Sep 20, 2022
Skyworks Solutions, Inc.
David Steven Ripley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compact audio power amplifier
Patent number
11,431,303
Issue date
Aug 30, 2022
Xiaozheng Lu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class-D amplifier which can suppress differential mode power noise
Patent number
11,323,082
Issue date
May 3, 2022
ELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC.
Yang-Jing Huang
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
Integrated circuit and related audio amplifier
Patent number
11,245,369
Issue date
Feb 8, 2022
STMicroelectronics S.r.l.
Edoardo Botti
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Electrically isolated device for providing a sub-threshold conducti...
Patent number
11,228,843
Issue date
Jan 18, 2022
Vesper Technologies Inc.
Ronald Gagnon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Audio system including speakers with integrated amplifier and metho...
Patent number
11,223,898
Issue date
Jan 11, 2022
Radio Sound, Inc.
Wayne Zinner
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Dynamic suppression of pop and click noise in an audio driver
Patent number
11,223,330
Issue date
Jan 11, 2022
Nuvoton Technology Corporation
Chang-Xian Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Charge pump with current mode output power throttling
Patent number
11,152,906
Issue date
Oct 19, 2021
Cirrus Logic, Inc.
Eric J. King
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Loudspeaker enhancement
Patent number
11,140,478
Issue date
Oct 5, 2021
Texas Instruments Incorporated
Rahmi Hezar
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital-to-analog converter and amplifier for headphones
Patent number
11,133,785
Issue date
Sep 28, 2021
AVNERA CORPORATION
Wai Laing Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
MEMS COMPENSATION LOOP
Publication number
20240298119
Publication date
Sep 5, 2024
INFINEON TECHNOLOGIES AG
Andreas Wiesbauer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Feedforward Amplifier Circuit, Audio Amplifier and Audio Playing De...
Publication number
20240235493
Publication date
Jul 11, 2024
GUANGZHOU TOPPING ELECTRONIC AND TECHNOLOGY CO., LTD.
Yueqiu HE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AUDIO AMPLIFIER CIRCUIT AND AUDIO OUTPUT DEVICE USING THE SAME
Publication number
20240151766
Publication date
May 9, 2024
ROHM CO., LTD.
Tetsuya OGAWA
G01 - MEASURING TESTING
Information
Patent Application
POWER SUPPLY CIRCUIT, POWER SUPPLY METHOD, AUDIO POWER AMPLIFIER AN...
Publication number
20240106394
Publication date
Mar 28, 2024
WUHAN JUXIN MICRO-ELECTRONICS CO., LTD.
Jie LU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AUDIO AMPLIFIER WITH EMBEDDED BUCK CONTROLLER FOR CLASS-G APPLICATION
Publication number
20240056046
Publication date
Feb 15, 2024
STMicroelectronics (Shenzhen) R&D Co., Ltd.
XiangSheng Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Integrated Circuits for Driving Transducers
Publication number
20230328439
Publication date
Oct 12, 2023
Cirrus Logic International Semiconductor Ltd.
Ross C. MORGAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SPLICE-POINT DETERMINED ZERO-CROSSING MANAGEMENT IN AUDIO AMPLIFIERS
Publication number
20230308060
Publication date
Sep 28, 2023
Cirrus Logic International Semiconductor Ltd.
John L. Melanson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DRIVING CIRCUIT OF LOUDSPEAKER AND METHOD FOR GENERATING CURRENT SA...
Publication number
20230216458
Publication date
Jul 6, 2023
Elite Semiconductor Microelectronics Technology Inc.
Che-Wei Hsu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Adaptive Sample and Hold Circuit for Signal Amplifier Range Selection
Publication number
20230208366
Publication date
Jun 29, 2023
Dialog Semiconductor B.V.
Anthony Gribben
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT AND RADIO-FREQUENCY MODULE
Publication number
20230188098
Publication date
Jun 15, 2023
MURATA MANUFACTURING CO., LTD.
Hiroshi NISHIKAWA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
POWER AMPLIFIER MODULES INCLUDING SEMICONDUCTOR RESISTOR AND TANTAL...
Publication number
20220393653
Publication date
Dec 8, 2022
Skyworks Solutions, Inc.
Peter J. Zampardi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYMMETRIC LAYOUT FOR HIGH-VOLTAGE AMPLIFIER
Publication number
20220384413
Publication date
Dec 1, 2022
Cirrus Logic International Semiconductor Ltd.
Aleksey Khenkin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DIFFERENTIAL DELTA-SIGMA MODULATOR FOR A HEARING AID
Publication number
20220345151
Publication date
Oct 27, 2022
Widex A/S
Niels Ole KNUDSEN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AUDIO SOURCE AMPLIFICATION WITH SPEAKER PROTECTION FEATURES AND INT...
Publication number
20220272449
Publication date
Aug 25, 2022
Facebook Technologies, LLC
Marshall Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER ASSEMBLY AND METHOD OF AMPLIFICATION PARTICULARLY FOR POR...
Publication number
20220247363
Publication date
Aug 4, 2022
Helm Audio Limited
Eric Johnson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ZERO-CROSSING MANAGEMENT IN CLASS-D AUDIO AMPLIFIERS
Publication number
20220247367
Publication date
Aug 4, 2022
Cirrus Logic International Semiconductor Ltd.
John L. Melanson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Compact Audio Power Amplifier
Publication number
20220173705
Publication date
Jun 2, 2022
Xiaozheng Lu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CLASS D AMPLIFIER WITH CURRENT MODE CONTROL
Publication number
20220069783
Publication date
Mar 3, 2022
RGB SYSTEMS, INC.
Eric Mendenhall
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CLASS-D AMPLIFIER WHICH CAN SUPPRESS DIFFERENTIAL MODE POWER NOISE
Publication number
20220045655
Publication date
Feb 10, 2022
Elite Semiconductor Microelectronics Technology Inc.
Yang-Jing Huang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DYNAMIC SUPPRESSION OF POP AND CLICK NOISE IN AN AUDIO DRIVER
Publication number
20220014154
Publication date
Jan 13, 2022
Nuvoton Technology Corporation
Chang-xian Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CLASS D AMPLIFIER CIRCUIT
Publication number
20210351755
Publication date
Nov 11, 2021
Cirrus Logic International Semiconductor Ltd.
John Paul Lesso
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DUAL-DOMAIN POWER DISTRIBUTION SYSTEM IN A MOBILE DEVICE
Publication number
20210344305
Publication date
Nov 4, 2021
Cirrus Logic International Semiconductor Ltd.
Eric J. KING
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
An Electrically Isolated Device for Providing a Sub-Threshold Condu...
Publication number
20210306759
Publication date
Sep 30, 2021
Vesper Technologies Inc.
Ronald Gagnon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
AUDIO AMPLIFIER WITH EMBEDDED BUCK CONTROLLER FOR CLASS-G APPLICATION
Publication number
20210250010
Publication date
Aug 12, 2021
STMicroelectronics (Shenzhen) R&D Co. Ltd.
XiangSheng Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER
Publication number
20210242838
Publication date
Aug 5, 2021
Sony Semiconductor Solutions Corporation
KAZUMASA NISHIMURA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
POWER AMPLIFIER MODULES INCLUDING RELATED SYSTEMS, DEVICES, AND MET...
Publication number
20210050826
Publication date
Feb 18, 2021
Skyworks Solutions, Inc.
David Steven Ripley
H01 - BASIC ELECTRIC ELEMENTS
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
CHARGE PUMP WITH CURRENT MODE OUTPUT POWER THROTTLING
Publication number
20200403588
Publication date
Dec 24, 2020
Cirrus Logic International Semiconductor Ltd.
Eric J. KING
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Amplifier Switching Control Systems And Methods
Publication number
20200382063
Publication date
Dec 3, 2020
Maxim Integrated Products, Inc.
Cary DELANO
H03 - BASIC ELECTRONIC CIRCUITRY