H04R2205/026 - CPC Classification Index

ClassID:

232130 ⎘

H04R2205/026 - CPC Classification

Classification description:

Details of stereophonic arrangements covered by but not provided for in any of its subgroups Single (sub)woofer with two or more satellite loudspeakers for mid- and high-frequency band reproduction driven via the (sub)woofer

Recent Application in this class:

20260113575

2026-04-23

METHOD FOR INSTALLING AND CONTROLLING LIGHT-SOUND CINEMA SPEAKER TO PROVIDE LIGHT-SOUND SYSTEM TO MOVIE THEATER AND DEVICE THEREFOR

20250234132

2025-07-17

ARRAY AUGMENTATION FOR AUDIO PLAYBACK DEVICES

20250080888

2025-03-06

Acoustical Sound Reinforcement System and Method

20240244387

2024-07-18

SYSTEMS, METHODS, AND DEVICES FOR AUDITORY ENHANCEMENT

20240236569

2024-07-11

Array augmentation for audio playback devices

20240188235

2024-06-06

EQUIPMENT COMPRISING A SOUND BOX PROVIDED WITH AT LEAST ONE AMPLIFIER

20240040289

2024-02-01

Acoustical sound reinforcement system and method

20220312118

2022-09-29

Modular audio playback equipment

20220124434

2022-04-21

Array augmentation for audio playback devices

#10

20190069088

2019-02-28

Device for generating chest-chamber acoustic resonance and delivering the resultant audio and haptic to headphones

#11

20170311077

2017-10-26

Audio signal correction and calibration for a room environment

#12

20170105069

2017-04-13

Removable speaker system

#13

20160316295

2016-10-27

Audio signal correction and calibration for a room environment

#14

20160219364

2016-07-28

Sound reflections for portable assemblies

#15

20160127831

2016-05-05

Honeycomb speaker system

#16

20140161281

2014-06-12

Audio signal correction and calibration for a room environment

#17

20130101133

2013-04-25

Sound system using wireless power transmission

#18

20130064391

2013-03-14

Acoustic beam forming array using feedback-controlled microphones for tuning and self-matching of frequency response

#19

20120121111

2012-05-17

Sound reproduction apparatus and a method for speaker charging/calibration employed in said apparatus

#20

20110274286

2011-11-10

Wireless and wired speaker hub for a home theater system

#21

20110206224

2011-08-25

Audio system configured to fade audio outputs and method thereof

#22

20090175458

2009-07-09

Subwoofer docking station

#23

20090067640

2009-03-12

Wireless and wired speaker hub for a home theater system

#24

20070177751

2007-08-02

Integrated electro acoustic equipment with portable compact construction for sound applications

#25

20070087784

2007-04-19

Acoustic system

#26

20060256994

2006-11-16

Speaker apparatus and a computer system incorporating same

#27

20060245612

2006-11-02

Speaker system with built-in storage of satellite speakers

#28

20060109991

2006-05-25

Audio/video playback system

#29

20050195998

2005-09-08

Simultaneous audio playback device

#30

20050195986

2005-09-08

Wireless and wired speaker hub for a home theater system

#31

14335441

2015-12-08

Off-axial audio speaker using single audio source