Connection circuits to selectively connect loudspeakers or headphones to amplifiers

Industry

CPC
H04R2420/03

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

Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R2420/00Details of connection covered by H04R, not provided for in its groups

Current Industry

H04R2420/03Connection circuits to selectively connect loudspeakers or headphones to amplifiers

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Robust short-time fourier transform acoustic echo cancellation duri...
- Patent number 12,217,765
- Issue date Feb 4, 2025
- SONOS, INC.
- Daniele Giacobello
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Power supply device and method for searching audio output device us...
- Patent number 12,207,065
- Issue date Jan 21, 2025
- Samsung Electronics Co., Ltd.
- Juyeon Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Primary-secondary ear switching method and apparatus for TWS earpho...
- Patent number 12,185,082
- Issue date Dec 31, 2024
- GoerTek Inc.
- Dezheng Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earbuds
- Patent number 12,177,624
- Issue date Dec 24, 2024
- Apple Inc.
- Phillip Qian
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Vocal guidance engines for playback devices
- Patent number 12,159,085
- Issue date Dec 3, 2024
- Sonos, Inc.
- Won So
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Belt-pack
- Patent number 12,126,974
- Issue date Oct 22, 2024
- RIEDEL COMMUNICATIONS INTERNATIONAL GMBH
- Thomas Riedel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arrangement of audio devices, configuration apparatus, method and c...
- Patent number 12,106,010
- Issue date Oct 1, 2024
- Robert Bosch GmbH
- Franz Lermer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Display apparatus and method for adjusting headphone volume
- Patent number 12,067,327
- Issue date Aug 20, 2024
- Giga-Byte Technology Co., Ltd.
- Cheng-Lung Lin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Audio ground switch channel crosstalk cancellation technique
- Patent number 12,047,758
- Issue date Jul 23, 2024
- QUALCOMM Incorporated
- Vijayakumar Dhanasekaran
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Swapping roles between untethered wirelessly connected devices
- Patent number 12,015,900
- Issue date Jun 18, 2024
- Apple Inc.
- Sriram Hariharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Failure recovery of wearable playback device
- Patent number 11,991,515
- Issue date May 21, 2024
- Sonos, Inc.
- Steven Beckhardt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Playback device configuration
- Patent number 11,991,506
- Issue date May 21, 2024
- Sonos, Inc.
- Tetsuro Oishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Playback expansion
- Patent number 11,907,614
- Issue date Feb 20, 2024
- Sonos, Inc.
- Benjamin Fullerton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Orientation-aware surround sound playback
- Patent number 11,902,762
- Issue date Feb 13, 2024
- Dolby Laboratories Licensing Corporation
- Xuejing Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio system with mixed rendering audio enhancement
- Patent number 11,895,472
- Issue date Feb 6, 2024
- Bose Corporation
- James Walter Tracey
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Headphone interaction with media playback system
- Patent number 11,895,457
- Issue date Feb 6, 2024
- Sonos, Inc.
- Eric Clayton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Wireless headset system
- Patent number 11,863,967
- Issue date Jan 2, 2024
- Panasonic Automotive Systems Company of America, division of Panasonic Corpor...
- Janardhan Thodeti
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Intelligent amplifier activation
- Patent number 11,863,944
- Issue date Jan 2, 2024
- Sonos, Inc.
- Jonathon Reilly
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method, device and electronic device for controlling audio playback...
- Patent number 11,856,379
- Issue date Dec 26, 2023
- Beijing Horizon Robotics Technology Research and Development Co., Ltd.
- Changbao Zhu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Bluetooth connection method and electronic device
- Patent number 11,825,539
- Issue date Nov 21, 2023
- Huawei Technologies Co., Ltd.
- Yuhong Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic device charging via an audio jack
- Patent number 11,825,275
- Issue date Nov 21, 2023
- Voyetra Turtle Beach, Inc.
- Richard Kulavik
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication control method, apparatus and system, charging case a...
- Patent number 11,812,214
- Issue date Nov 7, 2023
- GOERTEK INC.
- Yunsen Lang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Audio control module
- Patent number 11,785,388
- Issue date Oct 10, 2023
- ARRIS Enterprises LLC
- Ramy S Ayoub
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selection of master device for synchronized audio
- Patent number 11,758,328
- Issue date Sep 12, 2023
- Amazon Technologies, Inc.
- Fred Torok
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for recovering back-EMF signal in a switching...
- Patent number 11,750,970
- Issue date Sep 5, 2023
- SiliconIntervention Inc.
- A. Martin Mallinson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Shared earbuds detection
- Patent number 11,743,649
- Issue date Aug 29, 2023
- Google LLC
- Martin Kraemer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio processing apparatus and method therefor
- Patent number 11,743,673
- Issue date Aug 29, 2023
- Koninklijke Philips N.V.
- Werner Paulus Josephus De Bruijn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Failure recovery of wearable playback device
- Patent number 11,743,675
- Issue date Aug 29, 2023
- Sonos, Inc.
- Steven Beckhardt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digitally controlled microphone with audio compressor
- Patent number 11,720,316
- Issue date Aug 8, 2023
- Apogee Electronics Corporation
- Lucas Van der Mee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Audio accessory with high and low impedance paths to a speaker, and...
- Patent number 11,720,318
- Issue date Aug 8, 2023
- MOTOROLA SOLUTIONS, INC.
- Joo Yih See
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
EARBUDS
- Publication number 20250063289
- Publication date Feb 20, 2025
- Apple Inc.
- Phillip Qian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Playback Device Configuration
- Publication number 20250016515
- Publication date Jan 9, 2025
- Sonos, Inc.
- Tetsuro Oishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BELT-PACK
- Publication number 20250016504
- Publication date Jan 9, 2025
- RIEDEL Communications International GrnbH
- Thomas RIEDEL
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BLUETOOTH SPEAKER NETWORKING SYSTEM AND INTERCONNECTION BROADCASTIN...
- Publication number 20240430617
- Publication date Dec 26, 2024
- Zhuhai Rongyuan Electronic Technology Co., LTD
- Huangbo Lan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Headphone Interaction with Media Playback System
- Publication number 20240323581
- Publication date Sep 26, 2024
- Sonos, Inc.
- Eric Clayton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Failure Recovery of Wearable Playback Device
- Publication number 20240292180
- Publication date Aug 29, 2024
- Sonos, Inc.
- Steven Beckhardt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Playback Expansion
- Publication number 20240272868
- Publication date Aug 15, 2024
- Sonos, Inc.
- Benjamin Fullerton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTELLIGENT AMPLIFIER ACTIVATION
- Publication number 20240267688
- Publication date Aug 8, 2024
- Sonos, Inc.
- Jonathon Reilly
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digitally Controlled Microphone with Audio Compressor
- Publication number 20240248673
- Publication date Jul 25, 2024
- APOGEE ELECTRONICS CORPORATION
- Lucas Van der Mee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTROMECHANICAL CONNECTORS
- Publication number 20240214735
- Publication date Jun 27, 2024
- Cirrus Logic International Semiconductor Ltd.
- Robert J. HATFIELD
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VEHICLE-MOUNTED SOUND SYSTEM AND OPEN-CIRCUIT DETECTION METHOD FOR...
- Publication number 20240179461
- Publication date May 30, 2024
- SUZHOU SONAVOX ELECTRONICS CO., LTD.
- Hongbing DING
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REMOVEABLE SPEAKER FOR COMPUTING DEVICES
- Publication number 20240163608
- Publication date May 16, 2024
- Dolby Laboratories Licensing Corporation
- Zhi LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUDIO SYSTEM WITH MIXED RENDERING AUDIO ENHANCEMENT
- Publication number 20240098417
- Publication date Mar 21, 2024
- Bose Corporation
- James Walter Tracey
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SELECTION OF MASTER DEVICE FOR SYNCHRONIZED AUDIO
- Publication number 20230421955
- Publication date Dec 28, 2023
- AMAZON TECHNOLOGIES, INC.
- Fred Torok
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUDIO SYSTEM WITH MIXED RENDERING AUDIO ENHANCEMENT
- Publication number 20230403507
- Publication date Dec 14, 2023
- Bose Corporation
- James Walter Tracey
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Headphone Interaction with Media Playback System
- Publication number 20230388694
- Publication date Nov 30, 2023
- Sonos, Inc.
- Eric Clayton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
USER CONFIGURABLE AUDIO LOUDSPEAKER
- Publication number 20230327353
- Publication date Oct 12, 2023
- Dolby Laboratories Licensing Corporation
- Joel A. Butler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHANNEL CONFIGURATION METHOD OF DRIVING MOTOR BY USING AUDIO AND DE...
- Publication number 20230319477
- Publication date Oct 5, 2023
- HUAWEI TECHNOLOGIES CO., LTD.
- Ting HUANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Playback Device Configuration
- Publication number 20230232175
- Publication date Jul 20, 2023
- Sonos, Inc.
- Tetsuro Oishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUDIO GROUND SWITCH CHANNEL CROSSTALK CANCELLATION TECHNIQUE
- Publication number 20230232155
- Publication date Jul 20, 2023
- QUALCOMM Incorporated
- Vijayakumar Dhanasekaran
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DISPLAY APPARATUS AND METHOD FOR ADJUSTING HEADPHONE VOLUME
- Publication number 20230214169
- Publication date Jul 6, 2023
- GIGA-BYTE TECHNOLOGY CO., LTD.
- Cheng-Lung LIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUDIO ACCESSORY WITH HIGH AND LOW IMPEDANCE PATHS TO A SPEAKER, AND...
- Publication number 20230195408
- Publication date Jun 22, 2023
- MOTOROLA SOLUTIONS, INC
- Joo Yih SEE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digitally Controlled Microphone with Audio Compressor
- Publication number 20230185516
- Publication date Jun 15, 2023
- APOGEE ELECTRONICS CORPORATION
- Lucas Van der Mee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DISPLAY APPARATUS AND OPERATING METHOD THEREOF
- Publication number 20230147334
- Publication date May 11, 2023
- Samsung Electronics Co., Ltd.
- Hyeeun PARK
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Playback Expansion
- Publication number 20230098804
- Publication date Mar 30, 2023
- Sonos, Inc.
- Benjamin Fullerton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER SUPPLY DEVICE AND METHOD FOR SEARCHING AUDIO OUTPUT DEVICE US...
- Publication number 20230066296
- Publication date Mar 2, 2023
- Samsung Electronics Co., Ltd.
- Juyeon JIN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PRIMARY-SECONDARY EAR SWITCHING METHOD AND APPARATUS FOR TWS EARPHO...
- Publication number 20230034046
- Publication date Feb 2, 2023
- Goertek Inc.
- Dezheng Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS SOUND DEVICE SET COMPATIBLE WITH VARIOUS DEVICES
- Publication number 20230032636
- Publication date Feb 2, 2023
- MAKINA CO., LTD.
- Hyo Yeon GO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR VOLUME CONTROL
- Publication number 20230008865
- Publication date Jan 12, 2023
- Apple Inc.
- Ross B. Peard
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HEADPHONE-ONLY AUDIO OPTIONS
- Publication number 20220405040
- Publication date Dec 22, 2022
- Hewlett-Packard Development Company, L.P.
- Isaac Lagnado
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Connection circuits to selectively connect loudspeakers or headphones to amplifiers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Robust short-time fourier transform acoustic echo cancellation duri...

Power supply device and method for searching audio output device us...

Primary-secondary ear switching method and apparatus for TWS earpho...

Earbuds

Vocal guidance engines for playback devices

Belt-pack

Arrangement of audio devices, configuration apparatus, method and c...

Display apparatus and method for adjusting headphone volume

Audio ground switch channel crosstalk cancellation technique

Swapping roles between untethered wirelessly connected devices

Failure recovery of wearable playback device

Playback device configuration

Playback expansion

Orientation-aware surround sound playback

Audio system with mixed rendering audio enhancement

Headphone interaction with media playback system

Wireless headset system

Intelligent amplifier activation

Method, device and electronic device for controlling audio playback...

Bluetooth connection method and electronic device

Electronic device charging via an audio jack

Communication control method, apparatus and system, charging case a...

Audio control module

Selection of master device for synchronized audio

Method and apparatus for recovering back-EMF signal in a switching...

Shared earbuds detection

Audio processing apparatus and method therefor

Failure recovery of wearable playback device

Digitally controlled microphone with audio compressor

Audio accessory with high and low impedance paths to a speaker, and...

Patents Applicationslast 30 patents

EARBUDS

Playback Device Configuration

BELT-PACK

BLUETOOTH SPEAKER NETWORKING SYSTEM AND INTERCONNECTION BROADCASTIN...

Headphone Interaction with Media Playback System

Failure Recovery of Wearable Playback Device

Playback Expansion

INTELLIGENT AMPLIFIER ACTIVATION

Digitally Controlled Microphone with Audio Compressor

ELECTROMECHANICAL CONNECTORS

VEHICLE-MOUNTED SOUND SYSTEM AND OPEN-CIRCUIT DETECTION METHOD FOR...

REMOVEABLE SPEAKER FOR COMPUTING DEVICES

AUDIO SYSTEM WITH MIXED RENDERING AUDIO ENHANCEMENT

SELECTION OF MASTER DEVICE FOR SYNCHRONIZED AUDIO

AUDIO SYSTEM WITH MIXED RENDERING AUDIO ENHANCEMENT

Headphone Interaction with Media Playback System

USER CONFIGURABLE AUDIO LOUDSPEAKER

CHANNEL CONFIGURATION METHOD OF DRIVING MOTOR BY USING AUDIO AND DE...

Playback Device Configuration

AUDIO GROUND SWITCH CHANNEL CROSSTALK CANCELLATION TECHNIQUE

DISPLAY APPARATUS AND METHOD FOR ADJUSTING HEADPHONE VOLUME

AUDIO ACCESSORY WITH HIGH AND LOW IMPEDANCE PATHS TO A SPEAKER, AND...

Digitally Controlled Microphone with Audio Compressor

DISPLAY APPARATUS AND OPERATING METHOD THEREOF

Playback Expansion

POWER SUPPLY DEVICE AND METHOD FOR SEARCHING AUDIO OUTPUT DEVICE US...

PRIMARY-SECONDARY EAR SWITCHING METHOD AND APPARATUS FOR TWS EARPHO...

WIRELESS SOUND DEVICE SET COMPATIBLE WITH VARIOUS DEVICES

METHOD AND SYSTEM FOR VOLUME CONTROL

HEADPHONE-ONLY AUDIO OPTIONS