Class D power amplifiers Switching amplifiers

Industry

CPC
H03F3/217

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Parent Industries

HELECTRICITY H03Electronic circuits H03FAMPLIFIERS H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements

Current Industry

H03F3/217Class D power amplifiers Switching amplifiers

Industries

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Patents Grantslast 30 patents

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
Information Patent Grant
Free-boost class-E amplifier
- Patent number 12,068,615
- Issue date Aug 20, 2024
- AIRA, INC.
- Eric Heindel Goodchild
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Autonomously matching signal frequency to load resonant frequency u...
- Patent number 12,063,022
- Issue date Aug 13, 2024
- TRUDELL MEDICAL INTERNATIONAL INC.
- Andrew Dittmer
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

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
Information Patent Application
RADIO-FREQUENCY POWER GENERATOR AND CONTROL METHOD
- Publication number 20240305254
- Publication date Sep 12, 2024
- Massachusetts Institute of Technology
- Haoquan Zhang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DE-ICING SYSTEMS
- Publication number 20240300652
- Publication date Sep 12, 2024
- De-Ice Technologies, Inc.
- Alexandru Bratianu-Badea
- B32 - LAYERED PRODUCTS
Information Patent Application
DE-ICING SYSTEMS
- Publication number 20240286747
- Publication date Aug 29, 2024
- De-Ice Technologies, Inc.
- Alexandru Bratianu-Badea
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISTRIBUTED CONVERSION OF DIGITAL DATA TO RADIO FREQUENCY
- Publication number 20240275410
- Publication date Aug 15, 2024
- Pagnanelli Family Trust
- Christopher Pagnanelli
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS D AMPLIFICATION CIRCUIT
- Publication number 20240267007
- Publication date Aug 8, 2024
- Murata Manufacturing Co., Ltd.
- Ryota KARAYA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AUDIO AMPLIFIER AND METHOD OF OPERATING THE SAME
- Publication number 20240267008
- Publication date Aug 8, 2024
- Samsung Electronics Co., Ltd.
- INHWAN CHO
- H03 - BASIC ELECTRONIC CIRCUITRY

Class D power amplifiers Switching amplifiers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Butted body contact for SOI transistor and amplifier circuit

Dynamic control of output driver in a switching amplifier

Low voltage system for audio amplifiers

Matchless plasma source for semiconductor wafer fabrication

Switchable amplifier

Driving circuit of loudspeaker and method for generating current sa...

Gain calibration for audio amplifiers

Splice-point determined zero-crossing management in audio amplifiers

Loop filter stabilization for class D amplifier

Hearing device comprising an amplifier system for minimizing variat...

Audio processing circuit whose output stage has different configura...

Circuit element pair matching method and circuit

Multi-port amplifier with baseband processing

Drive circuit with predistortion

Power amplifier and demodulator

Minimizing total harmonic distortion and power supply induced inter...

Calibration of anti-aliasing filter mismatch

Drive amplifier

BD PWM modulation circuit for use in class D amplifier and modulati...

Driver circuits

Current limit for charge pump boost driven class D audio amplifier

Audio output device

Audio amplifier with duty ratio control

Transition smoothing apparatus for reducing spurious input to a sys...

Audio electronic system with switching converter

Bridged class-D RF amplifier circuit

Amplifier with VCO-based ADC

Class-D power converter

Free-boost class-E amplifier

Autonomously matching signal frequency to load resonant frequency u...

Patents Applicationslast 30 patents

Semiconductor Device And Electronic Apparatus

SWITCHING DRIVERS WITH VOLTAGE MONITORING

AUDIO AMPLIFIER CIRCUIT

AUDIO AMPLIFICATION METHOD AND DEVICE

APPARATUSES AND METHODS INVOLVING FREQUENCY-TUNING MATCHING NETWORK

AUTOMOTIVE INTEGRATED CIRCUIT

AMPLIFIER WITH VCO-BASED ADC

DRIVER CIRCUITRY AND OPERATION

CURRENT LIMIT FOR CHARGE PUMP BOOST DRIVEN CLASS D AUDIO AMPLIFIER

Common mode voltage dynamic modulation circuit, method thereof and...

ENERGY-EFFICIENT HYBRID AMPLIFIER ARCHITECTURE

TRANSITION SMOOTHING APPARATUS FOR REDUCING SPURIOUS INPUT TO A SYS...

DIFFERENTIAL POWER AMPLIFIER

CHARGE BALANCE SEMICONDUCTOR DEVICE, IN PARTICULAR FOR HIGH EFFICIE...

CLASS D-H PREAMPLIFIER AND CASCODED HIGH-VOLTAGE AMPLIFIER

SWITCHING AMPLIFIER HAVING LINEAR TRANSITION TOTEM POLE MODULATION

Combined Class D Amplifier and Buck Regulator

DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE

Audio processing apparatus and method having noise reducing mechanism

CLIPPING PREVENTION IN SWITCHED MODE DRIVERS

OFF-STATE ISOLATION BIAS CIRCUIT FOR D-MODE AMPLIFIERS

INDUCTOR APPARATUS OPTIMIZED FOR LOW POWER LOSS IN CLASS-D AUDIO AM...

Switching Amplifier Circuits with Supply Tracking

AMPLIFIER CIRCUITRY WITH SUPPLY COMPENSATION

RADIO-FREQUENCY POWER GENERATOR AND CONTROL METHOD

DE-ICING SYSTEMS

DE-ICING SYSTEMS

DISTRIBUTED CONVERSION OF DIGITAL DATA TO RADIO FREQUENCY

CLASS D AMPLIFICATION CIRCUIT

AUDIO AMPLIFIER AND METHOD OF OPERATING THE SAME