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
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
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

Patents Applicationslast 30 patents

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
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

Class D power amplifiers Switching amplifiers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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

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...

Patents Applicationslast 30 patents

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

MULTI-PORT AMPLIFIER WITH BASEBAND PROCESSING

SYSTEMS AND METHODS FOR PROVIDING AN ANALOG OUTPUT SIGNAL USING A C...

SWITCHING DRIVERS WITH CAPACTIVE VOLTAGE GENERATION

TRIANGLE WAVE GENERATOR CIRCUIT WITH NOISE REDUCTION

HEARING DEVICE COMPRISING AN AMPLIFIER SYSTEM FOR MINIMIZING VARIAT...

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...