Pulse width modulation being used in an amplifying circuit

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H03F2200/351

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HELECTRICITY H03Electronic circuits H03FAMPLIFIERS H03F2200/00Indexing scheme relating to amplifiers

Current Industry

H03F2200/351Pulse width modulation being used in an amplifying circuit

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Patents Grantslast 30 patents

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
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
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
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
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
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
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
Switching power supply, semiconductor integrated circuit device, an...
- Patent number 12,047,045
- Issue date Jul 23, 2024
- Rohm Co., Ltd.
- Masashi Nagasato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving circuit for a switching transistor and a driving device inc...
- Patent number 12,021,493
- Issue date Jun 25, 2024
- SANTAK ELECTRONIC (SHENZHEN) CO., LTD.
- Huafen Ouyang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Increasing power efficiency in a digital feedback class D driver
- Patent number 12,009,791
- Issue date Jun 11, 2024
- Analog Devices, Inc.
- Abhishek Bandyopadhyay
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transconductance amplifier for buck-boost converter
- Patent number 11,942,866
- Issue date Mar 26, 2024
- Cypress Semiconductor Corporation
- Rajesh Karri
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pulse width modulated amplifier
- Patent number 11,923,813
- Issue date Mar 5, 2024
- Texas Instruments Incorporated
- Shaik Asif Basha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class D power amplification modulation system for self-adaptive adj...
- Patent number 11,863,135
- Issue date Jan 2, 2024
- CRM ICBG (wuxi) Co., ltd.
- Xu Zhou
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching amplifier system with feedback
- Patent number 11,848,651
- Issue date Dec 19, 2023
- ADX Research, Inc.
- Pallab Midya
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio amplifier
- Patent number 11,804,809
- Issue date Oct 31, 2023
- Robert Bosch GmbH
- Markus Mandl
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class-D amplifier with nested feedback loops
- Patent number 11,784,615
- Issue date Oct 10, 2023
- QSC, LLC
- Anders Lind
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching amplifier with adaptive supply-voltage scaling
- Patent number 11,764,742
- Issue date Sep 19, 2023
- National Cheng Kung University
- Tai-Haur Kuo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Common-mode leakage error calibration for current sensing in a Clas...
- Patent number 11,750,157
- Issue date Sep 5, 2023
- Cirrus Logic Inc.
- Ramin Zanbaghi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Clipping state detecting circuit and clipping state detecting method
- Patent number 11,736,082
- Issue date Aug 22, 2023
- Kabushiki Kaisha Toshiba
- Takayuki Takida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Hearing device comprising an amplifier system for minimizing variat...
- Patent number 11,711,656
- Issue date Jul 25, 2023
- Oticon A/S
- Vijay Kumar Bhat
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio power source with improved efficiency
- Patent number 11,695,373
- Issue date Jul 4, 2023
- Biamp Systems, LLC
- David F. Baretich
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Class-D amplifier with deadtime distortion compensation
- Patent number 11,683,015
- Issue date Jun 20, 2023
- QUALCOMM Incorporated
- ChienChung Yang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio power source with improved efficiency
- Patent number 11,677,364
- Issue date Jun 13, 2023
- Biamp Systems, LLC
- David F. Baretich
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply, semiconductor integrated circuit device, an...
- Patent number 11,664,775
- Issue date May 30, 2023
- Rohm Co., Ltd.
- Masashi Nagasato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage converter and class-D amplifier
- Patent number 11,632,088
- Issue date Apr 18, 2023
- ELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC.
- Yang-Jing Huang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Class D amplifier circuitry
- Patent number 11,588,452
- Issue date Feb 21, 2023
- Cirrus Logic, Inc.
- John P. Lesso
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

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 DEVICE FOR HAPTIC APPLICATIONS
- Publication number 20250125779
- Publication date Apr 17, 2025
- MICROCHIP TECHNOLOGY INCORPORATED
- Razvan Costache
- 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
SIGNAL AMPLIFIER
- Publication number 20250088151
- Publication date Mar 13, 2025
- Renesas Design (UK) Limited
- Holger PETERSEN
- 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 20250007476
- Publication date Jan 2, 2025
- ROHM CO., LTD.
- Mitsuteru SAKAI
- 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
INTRA-SYMBOL VOLTAGE MODULATION IN A WIRELESS COMMUNICATION CIRCUIT
- Publication number 20240421781
- Publication date Dec 19, 2024
- Qorvo US, Inc.
- Nadim Khlat
- H03 - BASIC ELECTRONIC CIRCUITRY
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
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
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
Information Patent Application
DYNAMIC PULSE WIDTH CONTROL SCHEME IN AMPLIFIERS
- Publication number 20240213935
- Publication date Jun 27, 2024
- TEXAS INSTRUMENTS INCORPORATED
- Sumit Dubey
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SPEAKER ARRAY ADDRESSED BY ROW AND COLUMN SELECTION
- Publication number 20240205603
- Publication date Jun 20, 2024
- Google LLC
- Jyrki Antero Alakuijala
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Driving Circuit for a Switching Transistor and a Driving Device Inc...
- Publication number 20240186965
- Publication date Jun 6, 2024
- SANTAK ELECTRONIC (SHENZHEN) CO., LTD.
- Huafen Ouyang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS-D AUDIO AMPLIFICATION CIRCUITRY AND ELECTRONIC DEVICE INCLUDI...
- Publication number 20240154587
- Publication date May 9, 2024
- Samsung Electronics Co., Ltd.
- Ji-Hun LEE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS-D AMPLIFIER CIRCUIT
- Publication number 20240128933
- Publication date Apr 18, 2024
- RICHTEK TECHNOLOGY CORPORATION
- Yi-Kuang Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS-D AMPLIFIER WITH NESTED FEEDBACK LOOPS
- Publication number 20240088843
- Publication date Mar 14, 2024
- QSC, LLC
- Anders Lind
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCHING CIRCUIT, CORRESPONDING DEVICE AND METHOD
- Publication number 20230412129
- Publication date Dec 21, 2023
- STMicroelectronics S.r.l
- Edoardo BOTTI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
NON-LINEAR FUNCTION IN AN EARLY-SAMPLED HYBRID MULTI-LEVEL CONVERTE...
- Publication number 20230344394
- Publication date Oct 26, 2023
- Cirrus Logic International Semiconductor Ltd.
- John L. MELANSON
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CALIBRATION OF PULSE WIDTH MODULATION AMPLIFIER SYSTEM
- Publication number 20230336133
- Publication date Oct 19, 2023
- Cirrus Logic International Semiconductor Ltd.
- John L. MELANSON
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS D POWER AMPLIFICATION MODULATION SYSTEM FOR SELF-ADAPTIVE ADJ...
- Publication number 20230327616
- Publication date Oct 12, 2023
- CRM ICBG (WUXI) CO., LTD.
- XU ZHOU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SOUND OUTPUT DEVICE
- Publication number 20230327617
- Publication date Oct 12, 2023
- ALPS ALPINE CO., LTD.
- Minoru MATSUYAMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HEARING DEVICE COMPRISING AN AMPLIFIER SYSTEM FOR MINIMIZING VARIAT...
- Publication number 20230283968
- Publication date Sep 7, 2023
- OTICON A/S
- Vijay Kumar BHAT
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Class-D Amplifier
- Publication number 20230261619
- Publication date Aug 17, 2023
- Yamaha Corporation
- Shinya MIZOSHIRI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Switching Amplifier with Adaptive Supply-Voltage Scaling
- Publication number 20230261620
- Publication date Aug 17, 2023
- National Cheng Kung University
- Tai-Haur Kuo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCHING POWER SUPPLY, SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, AN...
- Publication number 20230261625
- Publication date Aug 17, 2023
- Rohm Co., Ltd.
- Masashi Nagasato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Pulse width modulation being used in an amplifying circuit

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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

Audio signal modulation and amplification circuit

Amplification systems and methods with one or more channels

Gain calibration for audio amplifiers

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

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

Audio output device

Audio amplifier with duty ratio control

Switching power supply, semiconductor integrated circuit device, an...

Driving circuit for a switching transistor and a driving device inc...

Increasing power efficiency in a digital feedback class D driver

Transconductance amplifier for buck-boost converter

Pulse width modulated amplifier

Class D power amplification modulation system for self-adaptive adj...

Switching amplifier system with feedback

Audio amplifier

Class-D amplifier with nested feedback loops

Switching amplifier with adaptive supply-voltage scaling

Common-mode leakage error calibration for current sensing in a Clas...

Clipping state detecting circuit and clipping state detecting method

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

Audio power source with improved efficiency

Class-D amplifier with deadtime distortion compensation

Audio power source with improved efficiency

Switching power supply, semiconductor integrated circuit device, an...

Voltage converter and class-D amplifier

Class D amplifier circuitry

Patents Applicationslast 30 patents

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

CLASS-D AMPLIFIER DEVICE FOR HAPTIC APPLICATIONS

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

SIGNAL AMPLIFIER

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

AUTOMOTIVE INTEGRATED CIRCUIT

INTRA-SYMBOL VOLTAGE MODULATION IN A WIRELESS COMMUNICATION CIRCUIT

CLASS D-H PREAMPLIFIER AND CASCODED HIGH-VOLTAGE AMPLIFIER

DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE

Audio processing apparatus and method having noise reducing mechanism

AUDIO AMPLIFIER AND METHOD OF OPERATING THE SAME

DYNAMIC PULSE WIDTH CONTROL SCHEME IN AMPLIFIERS

SPEAKER ARRAY ADDRESSED BY ROW AND COLUMN SELECTION

Driving Circuit for a Switching Transistor and a Driving Device Inc...

CLASS-D AUDIO AMPLIFICATION CIRCUITRY AND ELECTRONIC DEVICE INCLUDI...

CLASS-D AMPLIFIER CIRCUIT

CLASS-D AMPLIFIER WITH NESTED FEEDBACK LOOPS

SWITCHING CIRCUIT, CORRESPONDING DEVICE AND METHOD

NON-LINEAR FUNCTION IN AN EARLY-SAMPLED HYBRID MULTI-LEVEL CONVERTE...

CALIBRATION OF PULSE WIDTH MODULATION AMPLIFIER SYSTEM

CLASS D POWER AMPLIFICATION MODULATION SYSTEM FOR SELF-ADAPTIVE ADJ...

SOUND OUTPUT DEVICE

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

Class-D Amplifier

Switching Amplifier with Adaptive Supply-Voltage Scaling

SWITCHING POWER SUPPLY, SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, AN...