Pulse density modulation being used in an amplifying circuit

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H03F2200/345

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

Current Industry

H03F2200/345Pulse density modulation being used in an amplifying circuit

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Patents Grantslast 30 patents

Information Patent Grant
Digital filter
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Image processing system for a digital display
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- Issue date Nov 2, 2021
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Digital-to-analog converter and amplifier for headphones
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- Issue date Sep 28, 2021
- AVNERA CORPORATION
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Amplifier with configurable final output stage
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- Issue date Oct 15, 2019
- Cirrus Logic, Inc.
- Xin Zhao
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Mute pattern injection for a pulse-density modulation microphone
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- Issue date May 28, 2019
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- Bengt Stefan Gustavsson
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Switching mode power amplifier with load isolation
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- Issue date Oct 2, 2018
- Sparton Corporation
- Don Laturell
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Semiconductor integrated circuit
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- Issue date May 1, 2018
- Rohm Co., Ltd.
- Takenori Kato
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Amplifier with configurable final output stage
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- Issue date Mar 27, 2018
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- Xin Zhao
- H03 - BASIC ELECTRONIC CIRCUITRY
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Inverter/power amplifier with capacitive energy transfer and relate...
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- Issue date Apr 25, 2017
- Massachusetts Institute of Technology
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Audio mixing device, method thereof, and electronic device
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- Issue date Sep 6, 2016
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Sigma-delta modulator approach to increased volume resolution in au...
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Systems and methods of RF power transmission, modulation, and ampli...
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- Issue date Nov 11, 2014
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Output circuits with class D amplifier
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- Issue date Jan 21, 2014
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- Brett C Walker
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Output circuits with class D amplifier
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Amplification circuit for driving a diffuser
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- Federico Forte
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Output circuits with class D amplifier
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- Issue date Sep 20, 2011
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Class D audio amplifier
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- Issue date Jun 21, 2011
- NXP B.V.
- Lutsen Dooper
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Apparatus and method for performing a calculation operation
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- Issue date Oct 26, 2010
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- H03 - BASIC ELECTRONIC CIRCUITRY
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Digital input class-D amplifier
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- Issue date Mar 16, 2010
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- Nobuaki Tsuji
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Switching amplifier
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Capacitive load driving circuit, electrostatic transducer, method o...
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Audio power amplifier IC and audio system provided with the same
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- Shigeji Ohama
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Tri-state pulse density modulator
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- Issue date Oct 16, 2007
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- Meoung-Jin Lim
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Multi-level class-D amplifier by means of 3 physical levels
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- Johan Nilsson
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Circuitry for creating a spectral null in a differential output swi...
- Patent number 6,605,991
- Issue date Aug 12, 2003
- Motorola, Inc.
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Patents Applicationslast 30 patents

Information Patent Application
Audio processing apparatus and method having noise reducing mechanism
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- H03 - BASIC ELECTRONIC CIRCUITRY
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DIGITAL-TO-ANALOG CONVERTER AND AMPLIFIER FOR HEADPHONES
- Publication number 20200228076
- Publication date Jul 16, 2020
- Wai Laing Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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AMPLIFIER WITH CONFIGURABLE FINAL OUTPUT STAGE
- Publication number 20180159488
- Publication date Jun 7, 2018
- Cirrus Logic International Semiconductor Ltd.
- Xin ZHAO
- H03 - BASIC ELECTRONIC CIRCUITRY
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AMPLIFIER WITH CONFIGURABLE FINAL OUTPUT STAGE
- Publication number 20180091102
- Publication date Mar 29, 2018
- Cirrus Logic International Semiconductor Ltd.
- Xin ZHAO
- H03 - BASIC ELECTRONIC CIRCUITRY
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SWITCHING MODE POWER AMPLIFIER WITH LOAD ISOLATION
- Publication number 20170040902
- Publication date Feb 9, 2017
- Sparton Corporation
- Don Laturell
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
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SEMICONDUCTOR INTEGRATED CIRCUIT
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- DIALOG SEMICONDUCTOR GMBH
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- H03 - BASIC ELECTRONIC CIRCUITRY
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AUDIO MIXING DEVICE, METHOD THEREOF, AND ELECTRONIC DEVICE
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OUTPUT CIRCUITS WITH CLASS D AMPLIFIER
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- QUALCOMM Incorporated
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- Publication date Nov 24, 2011
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CLASS D AUDIO AMPLIFIER
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AMPLIFICATION CIRCUIT FOR DRIVING A DIFFUSER
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- Publication date Nov 26, 2009
- STMicroelectronics S.r.l.
- Federico Forte
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Systems and methods of RF power transmission, modulation and amplif...
- Publication number 20090091384
- Publication date Apr 9, 2009
- David F. Sorrells
- H03 - BASIC ELECTRONIC CIRCUITRY
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OUTPUT CIRCUITS WITH CLASS D AMPLIFIER
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- Publication date Nov 20, 2008
- Brett C. Walker
- H03 - BASIC ELECTRONIC CIRCUITRY
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Digital input class-D amplifier
- Publication number 20080224773
- Publication date Sep 18, 2008
- Yamaha Corporation
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- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DEVICE FOR PREVENTING POP NOISE IN AN AUDIO OUTPUT APPARATUS AND ME...
- Publication number 20080049952
- Publication date Feb 28, 2008
- Samsung Electronics Co., Ltd.
- Byeng-Sang JUNG
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Apparatus and method for performing a calculation operation
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- CAMCO Produktions-und Vertriebs GmbH fur Beschallungs und Beleuchtungsanlagen
- Thomas Schulze
- H03 - BASIC ELECTRONIC CIRCUITRY
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Audio Power Amplifier Ic and Audio System Provided with the Same
- Publication number 20070252644
- Publication date Nov 1, 2007
- Shigeji Ohama
- H03 - BASIC ELECTRONIC CIRCUITRY
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Switching amplifier
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- Sharp Kabushiki Kaisha
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Information Patent Application
CAPACITIVE LOAD DRIVING CIRCUIT, ELECTROSTATIC TRANSDUCER, METHOD O...
- Publication number 20070124620
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- SEIKO EPSON CORPORATION
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Information Patent Application
Tri-state pulse density modulator
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- Publication date Oct 19, 2006
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Information Patent Application
Circuitry for creating a spectral null in a differential output swi...
- Publication number 20030042976
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- Pallab Midya
- H03 - BASIC ELECTRONIC CIRCUITRY

Pulse density modulation being used in an amplifying circuit

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Digital filter

Image processing system for a digital display

Digital-to-analog converter and amplifier for headphones

Amplifier with configurable final output stage

Mute pattern injection for a pulse-density modulation microphone

Switching mode power amplifier with load isolation

Semiconductor integrated circuit

Amplifier with configurable final output stage

Inverter/power amplifier with capacitive energy transfer and relate...

Audio mixing device, method thereof, and electronic device

Sigma-delta modulator approach to increased volume resolution in au...

Systems and methods of RF power transmission, modulation, and ampli...

Output circuits with class D amplifier

Output circuits with class D amplifier

Systems and methods of RF power transmission, modulation and amplif...

Amplification circuit for driving a diffuser

Output circuits with class D amplifier

Class D audio amplifier

Apparatus and method for performing a calculation operation

Digital input class-D amplifier

Switching amplifier

Capacitive load driving circuit, electrostatic transducer, method o...

Audio power amplifier IC and audio system provided with the same

Tri-state pulse density modulator

Multi-level class-D amplifier by means of 3 physical levels

Circuitry for creating a spectral null in a differential output swi...

Patents Applicationslast 30 patents

Audio processing apparatus and method having noise reducing mechanism

DIGITAL-TO-ANALOG CONVERTER AND AMPLIFIER FOR HEADPHONES

AMPLIFIER WITH CONFIGURABLE FINAL OUTPUT STAGE

AMPLIFIER WITH CONFIGURABLE FINAL OUTPUT STAGE

SWITCHING MODE POWER AMPLIFIER WITH LOAD ISOLATION

SEMICONDUCTOR INTEGRATED CIRCUIT

Sigma-Delta Modulator Approach to Increased Volume Resolution in Au...

Systems and Methods of RF Power Transmission, Modulation, and Ampli...

AUDIO MIXING DEVICE, METHOD THEREOF, AND ELECTRONIC DEVICE

OUTPUT CIRCUITS WITH CLASS D AMPLIFIER

OUTPUT CIRCUITS WITH CLASS D AMPLIFIER

CLASS D AUDIO AMPLIFIER

AMPLIFICATION CIRCUIT FOR DRIVING A DIFFUSER

Systems and methods of RF power transmission, modulation and amplif...

OUTPUT CIRCUITS WITH CLASS D AMPLIFIER

Digital input class-D amplifier

DEVICE FOR PREVENTING POP NOISE IN AN AUDIO OUTPUT APPARATUS AND ME...

Apparatus and method for performing a calculation operation

Audio Power Amplifier Ic and Audio System Provided with the Same

Switching amplifier

CAPACITIVE LOAD DRIVING CIRCUIT, ELECTROSTATIC TRANSDUCER, METHOD O...

Tri-state pulse density modulator

Circuitry for creating a spectral null in a differential output swi...