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Class D power amplifiers Switching amplifiers
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H03F3/217
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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
H03F3/217
Class D power amplifiers Switching amplifiers
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Patents Grants
last 30 patents
Information
Patent Grant
Amplification systems and methods with one or more channels
Patent number
12,218,632
Issue date
Feb 4, 2025
On-Bright Electronics (Shanghai) Co., Ltd.
Tingzhi Yuan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electronic device and electroacoustic conversion apparatus
Patent number
12,218,638
Issue date
Feb 4, 2025
SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Hironori Nakahara
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Butted body contact for SOI transistor and amplifier circuit
Patent number
12,205,954
Issue date
Jan 21, 2025
pSemi Corporation
Simon Edward Willard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dynamic control of output driver in a switching amplifier
Patent number
12,191,825
Issue date
Jan 7, 2025
Diodes Incorporated
Rohit Arora
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low voltage system for audio amplifiers
Patent number
12,191,824
Issue date
Jan 7, 2025
Skyworks Solutions, Inc.
Mark R. Peting
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Matchless plasma source for semiconductor wafer fabrication
Patent number
12,193,138
Issue date
Jan 7, 2025
Lam Research Corporation
Maolin Long
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Switchable amplifier
Patent number
12,184,247
Issue date
Dec 31, 2024
Omicron Electronics GmbH
Pedro Pérez De Ayala Rull
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Driving circuit of loudspeaker and method for generating current sa...
Patent number
12,184,246
Issue date
Dec 31, 2024
ELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC.
Che-Wei Hsu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Gain calibration for audio amplifiers
Patent number
12,176,868
Issue date
Dec 24, 2024
Skyworks Solutions, Inc.
Spencer David Leuenberger
H03 - BASIC ELECTRONIC CIRCUITRY
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
Loop filter stabilization for class D amplifier
Patent number
12,166,456
Issue date
Dec 10, 2024
Skyworks Solutions, Inc.
Mark R. Peting
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Hearing device comprising an amplifier system for minimizing variat...
Patent number
12,155,998
Issue date
Nov 26, 2024
Oticon A/S
Vijay Kumar Bhat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Audio processing circuit whose output stage has different configura...
Patent number
12,148,440
Issue date
Nov 19, 2024
Realtek Semiconductor Corp.
Tsung-Peng Chuang
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Circuit element pair matching method and circuit
Patent number
12,143,078
Issue date
Nov 12, 2024
Cirrus Logic, Inc.
Edmund M. Schneider
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-port amplifier with baseband processing
Patent number
12,143,076
Issue date
Nov 12, 2024
NSL COMM LTD
Uzi Ram
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Drive circuit with predistortion
Patent number
12,136,902
Issue date
Nov 5, 2024
HRL Laboratories, LLC
Carson White
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplifier and demodulator
Patent number
12,136,903
Issue date
Nov 5, 2024
Grant Taylor
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Minimizing total harmonic distortion and power supply induced inter...
Patent number
12,113,488
Issue date
Oct 8, 2024
Cirrus Logic Inc.
Chandra Prakash
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Calibration of anti-aliasing filter mismatch
Patent number
12,113,551
Issue date
Oct 8, 2024
Cirrus Logic Inc.
Arashk Norouzpourshirazi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Drive amplifier
Patent number
12,107,555
Issue date
Oct 1, 2024
Electronics and Telecommunications Research Institute
Min Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
BD PWM modulation circuit for use in class D amplifier and modulati...
Patent number
12,107,586
Issue date
Oct 1, 2024
Richtek Technology Corporation
Yi-Kuang Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Driver circuits
Patent number
12,108,223
Issue date
Oct 1, 2024
Cirrus Logic Inc.
Anthony S. Doy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Current limit for charge pump boost driven class D audio amplifier
Patent number
12,095,429
Issue date
Sep 17, 2024
Texas Instruments Incorporated
Shailendra Kumar Baranwal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Audio output device
Patent number
12,088,262
Issue date
Sep 10, 2024
DENSO ELECTRONICS CORPORATION
Chikara Yamamoto
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Audio amplifier with duty ratio control
Patent number
12,088,267
Issue date
Sep 10, 2024
ELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC.
Che-Wei Hsu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transition smoothing apparatus for reducing spurious input to a sys...
Patent number
12,081,228
Issue date
Sep 3, 2024
Skyworks Solutions, Inc.
Wai Laing Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Audio electronic system with switching converter
Patent number
12,081,121
Issue date
Sep 3, 2024
STMicroelectronics S.r.l.
Edoardo Botti
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Bridged class-D RF amplifier circuit
Patent number
12,081,177
Issue date
Sep 3, 2024
Analog Power Conversion LLC
Sam Seiichiro Ochi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier with VCO-based ADC
Patent number
12,081,178
Issue date
Sep 3, 2024
Taiwan Semiconductor Manufacturing Company, Ltd
Martin Kinyua
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class-D power converter
Patent number
12,074,516
Issue date
Aug 27, 2024
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Hiroki Akashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
AMPLIFIER CIRCUIT AND METHOD OF GENERATING AN AMPLIFIED SIGNAL
Publication number
20250070723
Publication date
Feb 27, 2025
SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Jingchu HE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MULTI-PORT AMPLIFIER WITH BASEBAND PROCESSING
Publication number
20250070728
Publication date
Feb 27, 2025
NSL COMM LTD
Uzi RAM
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SYSTEMS AND METHODS FOR PROVIDING AN ANALOG OUTPUT SIGNAL USING A C...
Publication number
20250062728
Publication date
Feb 20, 2025
Maxim Integrated Products, Inc.
Arman Hematy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SWITCHING DRIVERS WITH CAPACTIVE VOLTAGE GENERATION
Publication number
20250055370
Publication date
Feb 13, 2025
Cirrus Logic International Semiconductor Ltd.
Ross C. MORGAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TRIANGLE WAVE GENERATOR CIRCUIT WITH NOISE REDUCTION
Publication number
20250047249
Publication date
Feb 6, 2025
CRESTRON ELECTRONICS, INC.
Robert Buono
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
HEARING DEVICE COMPRISING AN AMPLIFIER SYSTEM FOR MINIMIZING VARIAT...
Publication number
20250048040
Publication date
Feb 6, 2025
OTICON A/S
Vijay Kumar BHAT
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor Device And Electronic Apparatus
Publication number
20250039621
Publication date
Jan 30, 2025
SEIKO EPSON CORPORATION
Takao KATAYAMA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SWITCHING DRIVERS WITH VOLTAGE MONITORING
Publication number
20250030387
Publication date
Jan 23, 2025
Cirrus Logic International Semiconductor Ltd.
John P. LESSO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AUDIO AMPLIFIER CIRCUIT
Publication number
20250015770
Publication date
Jan 9, 2025
ROHM CO., LTD.
Mitsuteru SAKAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AUDIO AMPLIFICATION METHOD AND DEVICE
Publication number
20240429881
Publication date
Dec 26, 2024
STMicroelectronics International N.V.
Edoardo BOTTI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
APPARATUSES AND METHODS INVOLVING FREQUENCY-TUNING MATCHING NETWORK
Publication number
20240421792
Publication date
Dec 19, 2024
The Board of Trustees of the Leland Stanford Junior University
Zhechi Ye
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AUTOMOTIVE INTEGRATED CIRCUIT
Publication number
20240421617
Publication date
Dec 19, 2024
ROHM CO., LTD.
Mitsuteru SAKAI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER WITH VCO-BASED ADC
Publication number
20240421784
Publication date
Dec 19, 2024
Taiwan Semiconductor Manufacturing Company, Ltd.
Martin KINYUA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DRIVER CIRCUITRY AND OPERATION
Publication number
20240421783
Publication date
Dec 19, 2024
Cirrus Logic International Semiconductor Ltd.
Lingli ZHANG
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CURRENT LIMIT FOR CHARGE PUMP BOOST DRIVEN CLASS D AUDIO AMPLIFIER
Publication number
20240413800
Publication date
Dec 12, 2024
TEXAS INSTRUMENTS INCORPORATED
Shailendra Kumar Baranwal
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Common mode voltage dynamic modulation circuit, method thereof and...
Publication number
20240405722
Publication date
Dec 5, 2024
Suzhou ACME Semi Co.Ltd.
Shuangxi DING
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ENERGY-EFFICIENT HYBRID AMPLIFIER ARCHITECTURE
Publication number
20240396511
Publication date
Nov 28, 2024
MEDIATEK SINGAPORE PTE LTD
Takashi Kimura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TRANSITION SMOOTHING APPARATUS FOR REDUCING SPURIOUS INPUT TO A SYS...
Publication number
20240388304
Publication date
Nov 21, 2024
Skyworks Solutions, Inc.
Wai Laing Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIFFERENTIAL POWER AMPLIFIER
Publication number
20240388264
Publication date
Nov 21, 2024
MURATA MANUFACTURING CO., LTD.
Masatoshi Hase
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CHARGE BALANCE SEMICONDUCTOR DEVICE, IN PARTICULAR FOR HIGH EFFICIE...
Publication number
20240379742
Publication date
Nov 14, 2024
STMicroelectronics S.r.l.
Antonino SCHILLACI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CLASS D-H PREAMPLIFIER AND CASCODED HIGH-VOLTAGE AMPLIFIER
Publication number
20240364281
Publication date
Oct 31, 2024
Advanced Energy Industries, Inc.
Donnie Herman
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SWITCHING AMPLIFIER HAVING LINEAR TRANSITION TOTEM POLE MODULATION
Publication number
20240356511
Publication date
Oct 24, 2024
TEXAS INSTRUMENTS INCORPORATED
Yinglai Xia
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Combined Class D Amplifier and Buck Regulator
Publication number
20240348213
Publication date
Oct 17, 2024
SiliconIntervention Inc.
A. Martin Mallinson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE
Publication number
20240348214
Publication date
Oct 17, 2024
Shanghai Awinic Microelectronics Technology Co., Ltd.
Kangqi LIU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Audio processing apparatus and method having noise reducing mechanism
Publication number
20240339970
Publication date
Oct 10, 2024
REAL TEK SEMICONDUCTOR CORPORATION
CHUN-I KUO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CLIPPING PREVENTION IN SWITCHED MODE DRIVERS
Publication number
20240322767
Publication date
Sep 26, 2024
Cirrus Logic International Semiconductor Ltd.
Ross C. MORGAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OFF-STATE ISOLATION BIAS CIRCUIT FOR D-MODE AMPLIFIERS
Publication number
20240313715
Publication date
Sep 19, 2024
Raytheon Company
John P. Bettencourt
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
INDUCTOR APPARATUS OPTIMIZED FOR LOW POWER LOSS IN CLASS-D AUDIO AM...
Publication number
20240312699
Publication date
Sep 19, 2024
CRESTRON ELECTRONICS, INC.
Robert Buono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Switching Amplifier Circuits with Supply Tracking
Publication number
20240305246
Publication date
Sep 12, 2024
Apple Inc.
Eddie L. Ng
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER CIRCUITRY WITH SUPPLY COMPENSATION
Publication number
20240305249
Publication date
Sep 12, 2024
Cirrus Logic International Semiconductor Ltd.
John L. MELANSON
H03 - BASIC ELECTRONIC CIRCUITRY