Membership
Tour
Register
Log in
Connection circuits to selectively connect loudspeakers or headphones to amplifiers
Follow
Industry
CPC
H04R2420/03
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
H
ELECTRICITY
H04
Electric communication
H04R
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS
H04R2420/00
Details of connection covered by H04R, not provided for in its groups
Current Industry
H04R2420/03
Connection circuits to selectively connect loudspeakers or headphones to amplifiers
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
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
Information
Patent Grant
Analog audio patchbay under digital control
Patent number
11,700,498
Issue date
Jul 11, 2023
FLOCK AUDIO INC.
Darren Nakonechny
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vocal guidance engines for playback devices
Patent number
11,698,771
Issue date
Jul 11, 2023
Sonos, Inc.
Won So
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Earbuds
Patent number
11,678,106
Issue date
Jun 13, 2023
Apple Inc.
Phillip Qian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Robust short-time fourier transform acoustic echo cancellation duri...
Patent number
11,646,045
Issue date
May 9, 2023
Sonos, Inc.
Daniele Giacobello
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Smartphone that communicates with an earpiece and a vehicle
Patent number
11,640,274
Issue date
May 2, 2023
Toyota Jidosha Kabushiki Kaisha
Hiroki Okada
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Headphone interaction with media playback system
Patent number
11,641,539
Issue date
May 2, 2023
Sonos, Inc.
Eric Clayton
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Audio signal processing method and apparatus
Patent number
11,611,825
Issue date
Mar 21, 2023
ZTE Corporation
Bing Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Earjack connection apparatus for earphone antenna, and electronic d...
Patent number
11,589,155
Issue date
Feb 21, 2023
Samsung Electronics Co., Ltd.
Jun Hur
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Restoring a disabled display device speaker
Patent number
11,561,759
Issue date
Jan 24, 2023
ROKU, INC.
David Sharp
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Playback device self-calibration
Patent number
11,540,073
Issue date
Dec 27, 2022
Sonos, Inc.
Tetsuro Oishi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Audio output method, electronic device, and storage medium
Patent number
11,507,340
Issue date
Nov 22, 2022
HONOR DEVICE CO., LTD.
Ning Ding
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Audio processing apparatus and method therefor
Patent number
11,503,424
Issue date
Nov 15, 2022
Koninklijke Philips N.V.
Werner Paulus Josephus De Bruijn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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
Information
Patent Application
Bluetooth Connection Method and Electronic Device
Publication number
20220408505
Publication date
Dec 22, 2022
Huawei Technologies Co., Ltd
Yuhong Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTELLIGENT AMPLIFIER ACTIVATION
Publication number
20220360924
Publication date
Nov 10, 2022
Sonos, Inc.
Jonathon Reilly
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ANALOG AUDIO PATCHBAY UNDER DIGITAL CONTROL
Publication number
20220345840
Publication date
Oct 27, 2022
FLOCK AUDIO INC.
Darren Nakonechny
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
AUDIO OUTPUT METHOD, ELECTRONIC DEVICE AND COMPUTER-READABLE STORAG...
Publication number
20220326903
Publication date
Oct 13, 2022
Realme Chongqing Mobile Telecommunications Corp., Ltd.
Hefeng WU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMUNICATION CONTROL METHOD, APPARATUS AND SYSTEM, CHARGING CASE A...
Publication number
20220329927
Publication date
Oct 13, 2022
Goertek Inc.
Yunsen LANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SELECTION OF MASTER DEVICE FOR SYNCHRONIZED AUDIO
Publication number
20220286776
Publication date
Sep 8, 2022
AMAZON TECHNOLOGIES, INC.
Fred Torok
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SWAPPING ROLES BETWEEN UNTETHERED WIRELESSLY CONNECTED DEVICES
Publication number
20220232333
Publication date
Jul 21, 2022
Apple Inc.
Sriram HARIHARAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ARRANGEMENT OF AUDIO DEVICES, CONFIGURATION APPARATUS, METHOD AND C...
Publication number
20220229630
Publication date
Jul 21, 2022
ROBERT BOSCH GmbH
Franz Lermer
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AUDIO DEVICE, AUDIO SYSTEM, AND COMPUTER-READABLE PROGRAM
Publication number
20220225046
Publication date
Jul 14, 2022
D & M HOLDINGS, INC.
Yoshiharu Imahama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD, DEVICE AND ELECTRONIC DEVICE FOR CONTROLLING AUDIO PLAYBACK...
Publication number
20220217468
Publication date
Jul 7, 2022
Beijing Horizon Robotics Technology Research and Development Co., Ltd.
Changbao ZHU
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
WIRELESS HEADSET SYSTEM
Publication number
20220191640
Publication date
Jun 16, 2022
Panasonic Automotive Systems Company of America, Division of Panasonic Corpor...
Janardhan Thodeti
B60 - VEHICLES IN GENERAL