Class D power amplifiers Switching amplifiers

Industry

CPC
H03F3/217

This industry / category may be too specific. Please go to a parent level for more data

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

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Logarithmic amplifiers in silicon microphones
- Patent number 12,368,421
- Issue date Jul 22, 2025
- Infineon Technologies AG
- Jose Luis Ceballos
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Driver stage short circuit detection
- Patent number 12,360,175
- Issue date Jul 15, 2025
- Cirrus Logic Inc.
- Ramin Zanbaghi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Maximum power detection and automatic gain control for capacitive c...
- Patent number 12,362,713
- Issue date Jul 15, 2025
- Texas Instruments Incorporated
- Junmin Jiang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Photoelectric conversion apparatus, photoelectric conversion system...
- Patent number 12,355,406
- Issue date Jul 8, 2025
- Canon Kabushiki Kaisha
- Hideo Kobayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
D/A converter
- Patent number 12,348,242
- Issue date Jul 1, 2025
- Rohm Co., Ltd.
- Mitsuteru Sakai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Driver circuitry and operation
- Patent number 12,323,055
- Issue date Jun 3, 2025
- Cirrus Logic Inc.
- Yongjie Cheng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal amplifier
- Patent number 12,323,112
- Issue date Jun 3, 2025
- Renesas Design (UK) Limited
- Anthony Gribben
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching module
- Patent number 12,316,285
- Issue date May 27, 2025
- Kyosan Electric Mfg. Co., Ltd.
- Hiroshi Kunitama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Booster stage circuit for power amplifier
- Patent number 12,308,796
- Issue date May 20, 2025
- AXIGN B.V.
- Daniel Schinkel
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Calibration of pulse width modulation amplifier system
- Patent number 12,308,805
- Issue date May 20, 2025
- Cirrus Logic Inc.
- John L. Melanson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching audio amplifier with improved voltage supply control
- Patent number 12,301,183
- Issue date May 13, 2025
- Skyworks Solutions, Inc.
- Mark R. Peting
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class-D amplifier for reducing audio distortion
- Patent number 12,301,182
- Issue date May 13, 2025
- Skyworks Solutions, Inc.
- Mark R. Peting
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio amplifer with fast wake-up power supply
- Patent number 12,267,049
- Issue date Apr 1, 2025
- RGB Systems, Inc.
- Eric Mendenhall
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier
- Patent number 12,262,556
- Issue date Mar 25, 2025
- Murata Manufacturing Co., Ltd.
- Shaojun Ma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio signal modulation and amplification circuit
- Patent number 12,255,589
- Issue date Mar 18, 2025
- Realtek Semiconductor Corp.
- Che-Hung Lin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Portable battery pack for wirelessly charging body-worn devices thr...
- Patent number 12,249,843
- Issue date Mar 11, 2025
- Humane, Inc.
- Imran A. Chaudhri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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

Patents Applicationslast 30 patents

Information Patent Application
LOAD CURRENT SENSING IN A SWITCHED DRIVER STAGE
- Publication number 20250237680
- Publication date Jul 24, 2025
- Nuvoton Technology Corporation
- PETER HOLZMANN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS-D AUDIO AMPLIFIER
- Publication number 20250233562
- Publication date Jul 17, 2025
- Elite Semiconductor Microelectronics Technology Inc.
- Hsin-Yuan CHIU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION
- Publication number 20250220801
- Publication date Jul 3, 2025
- LAM RESEARCH CORPORATION
- Maolin Long
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUITS, DEVICES AND METHODS RELATED TO AUDIO AMPLIFIERS HAVING GA...
- Publication number 20250219601
- Publication date Jul 3, 2025
- Skyworks Solutions, Inc.
- Spencer David LEUENBERGER
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFICATION DEVICE AND OPERATION METHOD THEREOF
- Publication number 20250219600
- Publication date Jul 3, 2025
- Samsung Electronics Co., Ltd.
- Jihun LEE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFYING CIRCUIT AND AMPLIFYING DEVICE
- Publication number 20250219603
- Publication date Jul 3, 2025
- Samsung Electronics Co., Ltd.
- Jihun LEE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION
- Publication number 20250212310
- Publication date Jun 26, 2025
- LAM RESEARCH CORPORATION
- Maolin Long
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION
- Publication number 20250203749
- Publication date Jun 19, 2025
- LAM RESEARCH CORPORATION
- Maolin Long
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AUTO-CALIBRATION DRIVING STRENGTH SYSTEM FOR CLASS-D AMPLIFIER
- Publication number 20250202444
- Publication date Jun 19, 2025
- Nuvoton Technology Corporation
- Chang-Xian Wu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION
- Publication number 20250203748
- Publication date Jun 19, 2025
- LAM RESEARCH CORPORATION
- Maolin Long
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LOW POWER DC-AC COUPLED PRE-AMPLIFIER CIRCUITS FOR HIGH-SPEED LINK...
- Publication number 20250184188
- Publication date Jun 5, 2025
- STMicroelectronics International N.V.
- Sameer VASHISHTHA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DELAY-LINE METHOD FOR SLEW RATE CONTROL FOR CLASS D DRIVER
- Publication number 20250167741
- Publication date May 22, 2025
- Nuvoton Technology Corporation
- Bal Sandhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS D AMPLIFIER CAPABLE OF ANTI-CLIPPING
- Publication number 20250167740
- Publication date May 22, 2025
- RICHTEK TECHNOLOGY CORPORATION
- Wen-Hsuan Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS-D AUDIO AMPLIFIER AND NOISE ELIMINATION DEVICE THEREOF
- Publication number 20250150038
- Publication date May 8, 2025
- Elite Semiconductor Microelectronics Technology Inc.
- Hsin-Yuan Chiu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHODS AND APPARATUS TO MODULATE SIGNALS USING MULTI-CLASS MODULAT...
- Publication number 20250141412
- Publication date May 1, 2025
- TEXAS INSTRUMENTS INCORPORATED
- Jianquan Liao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
REDUCTION OF CLICK AND POP NOISE IN AN AMPLIFIER
- Publication number 20250141408
- Publication date May 1, 2025
- TEXAS INSTRUMENTS INCORPORATED
- Aditya SUNDAR
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DYNAMIC CONTROL OF OUTPUT DRIVER IN A SWITCHING AMPLIFIER
- Publication number 20250132738
- Publication date Apr 24, 2025
- DIODES INCORPORATED
- Rohit Arora
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Butted Body Contact for SOI Transistor, Amplifier Circuit and Metho...
- Publication number 20250133823
- Publication date Apr 24, 2025
- pSemi Corporation
- Simon Edward Willard
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS-D AMPLIFIER DEVICE FOR HAPTIC APPLICATIONS
- Publication number 20250125779
- Publication date Apr 17, 2025
- MICROCHIP TECHNOLOGY INCORPORATED
- Razvan Costache
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BOOSTER STAGE CIRCUIT FOR POWER AMPLIFIER
- Publication number 20250119101
- Publication date Apr 10, 2025
- Axign B.V.
- Daniel SCHINKEL
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MODULATOR INTEGRATED CIRCUIT PACKAGE
- Publication number 20250119110
- Publication date Apr 10, 2025
- Cirrus Logic International Semiconductor Ltd.
- John P. LESSO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER-ON AND SHUT-DOWN POP REDUCTION IN AUDIO SYSTEMS
- Publication number 20250112600
- Publication date Apr 3, 2025
- TEXAS INSTRUMENTS INCORPORATED
- Pourya Assem
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION
- Publication number 20250106976
- Publication date Mar 27, 2025
- LAM RESEARCH CORPORATION
- Maolin Long
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VOLTAGE-TO-TIME-TO-VOLTAGE AMPLIFIER (VTVA) USING TIME DELAY
- Publication number 20250096750
- Publication date Mar 20, 2025
- QUALCOMM Incorporated
- Zeljko IGNJATOVIC
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLITUDE MODULATION TRANSMISSION DEVICE
- Publication number 20250096909
- Publication date Mar 20, 2025
- SKAIChips Co., Ltd.
- Kang Yoon LEE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS TO PROVIDE FREQUENCY TRANSLATION OF AUDIO SIGN...
- Publication number 20250088396
- Publication date Mar 13, 2025
- Ronald Quan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL AMPLIFIER
- Publication number 20250088151
- Publication date Mar 13, 2025
- Renesas Design (UK) Limited
- Holger PETERSEN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LOAD DETECTION DEVICE FOR AUDIO AMPLIFIER SYSTEM
- Publication number 20250088150
- Publication date Mar 13, 2025
- Elite Semiconductor Microelectronics Technology Inc.
- Isaac Y. Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for Improving Sound Play Effect and Related Apparatus
- Publication number 20250080062
- Publication date Mar 6, 2025
- Honor Device Co., Ltd.
- Jing Zhao
- H03 - BASIC ELECTRONIC CIRCUITRY
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

Class D power amplifiers Switching amplifiers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Logarithmic amplifiers in silicon microphones

Driver stage short circuit detection

Maximum power detection and automatic gain control for capacitive c...

Photoelectric conversion apparatus, photoelectric conversion system...

D/A converter

Driver circuitry and operation

Signal amplifier

Switching module

Booster stage circuit for power amplifier

Calibration of pulse width modulation amplifier system

Switching audio amplifier with improved voltage supply control

Class-D amplifier for reducing audio distortion

Audio amplifer with fast wake-up power supply

Power amplifier

Audio signal modulation and amplification circuit

Portable battery pack for wirelessly charging body-worn devices thr...

Amplification systems and methods with one or more channels

Electronic device and electroacoustic conversion apparatus

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

Patents Applicationslast 30 patents

LOAD CURRENT SENSING IN A SWITCHED DRIVER STAGE

CLASS-D AUDIO AMPLIFIER

MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION

CIRCUITS, DEVICES AND METHODS RELATED TO AUDIO AMPLIFIERS HAVING GA...

AMPLIFICATION DEVICE AND OPERATION METHOD THEREOF

AMPLIFYING CIRCUIT AND AMPLIFYING DEVICE

MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION

MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION

AUTO-CALIBRATION DRIVING STRENGTH SYSTEM FOR CLASS-D AMPLIFIER

MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION

LOW POWER DC-AC COUPLED PRE-AMPLIFIER CIRCUITS FOR HIGH-SPEED LINK...

DELAY-LINE METHOD FOR SLEW RATE CONTROL FOR CLASS D DRIVER

CLASS D AMPLIFIER CAPABLE OF ANTI-CLIPPING

CLASS-D AUDIO AMPLIFIER AND NOISE ELIMINATION DEVICE THEREOF

METHODS AND APPARATUS TO MODULATE SIGNALS USING MULTI-CLASS MODULAT...

REDUCTION OF CLICK AND POP NOISE IN AN AMPLIFIER

DYNAMIC CONTROL OF OUTPUT DRIVER IN A SWITCHING AMPLIFIER

Butted Body Contact for SOI Transistor, Amplifier Circuit and Metho...

CLASS-D AMPLIFIER DEVICE FOR HAPTIC APPLICATIONS

BOOSTER STAGE CIRCUIT FOR POWER AMPLIFIER

MODULATOR INTEGRATED CIRCUIT PACKAGE

POWER-ON AND SHUT-DOWN POP REDUCTION IN AUDIO SYSTEMS

MATCHLESS PLASMA SOURCE FOR SEMICONDUCTOR WAFER FABRICATION

VOLTAGE-TO-TIME-TO-VOLTAGE AMPLIFIER (VTVA) USING TIME DELAY

AMPLITUDE MODULATION TRANSMISSION DEVICE

METHOD AND APPARATUS TO PROVIDE FREQUENCY TRANSLATION OF AUDIO SIGN...

SIGNAL AMPLIFIER

LOAD DETECTION DEVICE FOR AUDIO AMPLIFIER SYSTEM

Method for Improving Sound Play Effect and Related Apparatus

AMPLIFIER CIRCUIT AND METHOD OF GENERATING AN AMPLIFIED SIGNAL