Transducers having separately controllable opposing diaphragms

Industry

CPC
H04R2209/026

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 H04R2209/00Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups

Current Industry

H04R2209/026Transducers having separately controllable opposing diaphragms

Industries

Patents Grantslast 30 patents

Information Patent Grant
Miniature loudspeaker with radial ring magnetic circuit
- Patent number 12,185,075
- Issue date Dec 31, 2024
- TIINLAB CORPORATION
- Xiaolin Deng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Linear motor magnet assembly and loudspeaker unit
- Patent number 12,156,010
- Issue date Nov 26, 2024
- Mayht Holding B.V.
- Timothy Ruben Scheek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound device
- Patent number 12,149,908
- Issue date Nov 19, 2024
- AAC Microtech (Changzhou) Co., Ltd.
- Xuedong Lv
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Linear motor magnet assembly and loudspeaker unit
- Patent number 12,137,334
- Issue date Nov 5, 2024
- Mayht Holding B.V.
- Timothy Ruben Scheek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Force balanced acoustic transducer
- Patent number 12,126,981
- Issue date Oct 22, 2024
- Tectonic Audio Labs, Inc.
- Ryan C. Mettler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual function transducer
- Patent number 12,063,494
- Issue date Aug 13, 2024
- Apple Inc.
- Rebecca J. Russell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker devices with dual-transducers
- Patent number 11,968,512
- Issue date Apr 23, 2024
- Hewlett-Packard Development Company, L.P.
- Yen-Hsin Ho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Linear motor magnet assembly and loudspeaker unit
- Patent number 11,962,988
- Issue date Apr 16, 2024
- Mayht Holding B.V.
- Timothy Ruben Scheek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker transducer
- Patent number 11,930,346
- Issue date Mar 12, 2024
- Sonos, Inc.
- Timothy Ruben Scheek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker system
- Patent number 11,849,277
- Issue date Dec 19, 2023
- SUZHOU SONAVOX ELECTRONICS CO., LTD.
- Yuewu Shen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound generator
- Patent number 11,800,289
- Issue date Oct 24, 2023
- AAC Microtech (Changzhou) Co., Ltd.
- Xudong Yan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Planar magnetic driver having trace-free radiant region
- Patent number 11,617,039
- Issue date Mar 28, 2023
- Apple Inc.
- Onur I Ilkorur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker unit for earphone
- Patent number 11,496,839
- Issue date Nov 8, 2022
- ALMUS CORP.
- Ju Heon Ko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudpseakers
- Patent number 11,490,210
- Issue date Nov 1, 2022
- GP Acoustics International Limited
- Jack Anthony Oclee-Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker unit with dual diaphragms and dual coils
- Patent number 11,368,793
- Issue date Jun 21, 2022
- Cotron Corporation
- Bill Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Solid-medium sound conducting receiver and electronic device with t...
- Patent number 11,297,436
- Issue date Apr 5, 2022
- TRANSOUND ELECTRONICS CO., LTD.
- Tseng-Feng Wen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Planar magnetic driver having trace-free radiating region
- Patent number 10,959,024
- Issue date Mar 23, 2021
- Apple Inc.
- Onur I Ilkorur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnet assembly for a loudspeaker and loudspeaker with such a magne...
- Patent number 10,869,131
- Issue date Dec 15, 2020
- Harman Becker Automotive Systems GmbH
- Guenther Weber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic transducer comprising a plurality of coaxially arranged di...
- Patent number 9,967,673
- Issue date May 8, 2018
- TYMPHANY HK LIMITED
- Andrew David Unruh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital acoustic system
- Patent number 9,793,868
- Issue date Oct 17, 2017
- Trigence Semiconductor, Inc.
- Akira Yasuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Spherically housed loudspeaker system
- Patent number 9,584,904
- Issue date Feb 28, 2017
- J. Craig Oxford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earphone device having sound guiding structures
- Patent number 9,467,762
- Issue date Oct 11, 2016
- Jetvox Acoustic Corp.
- Ying-Shin Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Micro-speaker
- Patent number 9,338,535
- Issue date May 10, 2016
- AAC Technologies Pte. Ltd.
- Yi Shao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker
- Patent number 8,995,696
- Issue date Mar 31, 2015
- Bose Corporation
- Roman N. Litovsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic transducer comprising a plurality of coaxially arranged di...
- Patent number 8,897,472
- Issue date Nov 25, 2014
- Tymphany HK Limited
- Andrew David Unruh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spherically housed loudspeaker system
- Patent number 8,422,713
- Issue date Apr 16, 2013
- J. Craig Oxford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual diaphragm electroacoustic transducer
- Patent number 7,912,240
- Issue date Mar 22, 2011
- Sonion Nederland B.V.
- Peter L. Madaffari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic transducer mounting in shells of hearing prostheses
- Patent number 7,822,218
- Issue date Oct 26, 2010
- Sonion Nederland B.V.
- Aart Zeger Van Halteren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spherically housed loudspeaker system
- Patent number 7,796,775
- Issue date Sep 14, 2010
- J. Craig Oxford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual-diaphragm speaker assemblies with acoustic passageways and mob...
- Patent number 7,567,680
- Issue date Jul 28, 2009
- Sony Ericsson Mobile Communications, AB
- Matthew Justin Murray
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MINIATURE LOUDSPEAKER WITH RADIAL RING MAGNETIC CIRCUIT
- Publication number 20240414480
- Publication date Dec 12, 2024
- Tiinlab Corporation
- Xiaolin DENG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE
- Publication number 20240397266
- Publication date Nov 28, 2024
- Sonos, Inc.
- Timothy Ruben Scheek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER TRANSDUCER
- Publication number 20240214743
- Publication date Jun 27, 2024
- Mayht Holding B.V.
- Timothy Ruben Scheek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICES WITH DUAL-TRANSDUCERS
- Publication number 20230421961
- Publication date Dec 28, 2023
- Hewlett-Packard Development Company, L.P.
- Yen-Hsin HO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electroacoustic Transducer
- Publication number 20230388701
- Publication date Nov 30, 2023
- Bose Corporation
- Ryan C. Struzik
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PLANAR MAGNETIC DRIVER HAVING TRACE-FREE RADIANT REGION
- Publication number 20210185450
- Publication date Jun 17, 2021
- Apple Inc.
- Onur I. Ilkorur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PLANAR MAGNETIC DRIVER HAVING TRACE-FREE RADIATING REGION
- Publication number 20200107131
- Publication date Apr 2, 2020
- Apple Inc.
- Onur I. Ilkorur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MAGNET ASSEMBLY FOR A LOUDSPEAKER AND LOUDSPEAKER WITH SUCH A MAGNE...
- Publication number 20190246210
- Publication date Aug 8, 2019
- Harman Becker Automotive Systems GmbH
- Guenther Weber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL ACOUSTIC SYSTEM
- Publication number 20140236332
- Publication date Aug 21, 2014
- Trigence Semiconductor, Inc.
- Akira Yasuda
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Speaker
- Publication number 20140064522
- Publication date Mar 6, 2014
- Roman N. Litovsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPHERICALLY HOUSED LOUDSPEAKER SYSTEM
- Publication number 20130301855
- Publication date Nov 14, 2013
- J. CRAIG OXFORD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIFUNCTIONAL MICRO SPEAKER
- Publication number 20110249858
- Publication date Oct 13, 2011
- BSE CO., LTD.
- Sang-Ho Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIFUNCTIONAL MICRO SPEAKER
- Publication number 20110243367
- Publication date Oct 6, 2011
- BSE CO., LTD.
- Han-Ryang Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPHERICALLY HOUSED LOUDSPEAKER SYSTEM
- Publication number 20110096947
- Publication date Apr 28, 2011
- J. Craig Oxford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Acoustic transducer comprising a plurality of coaxially arranged di...
- Publication number 20090190791
- Publication date Jul 30, 2009
- Tymphany Corporation
- Andrew David Unruh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMPOSITE SPEAKER AND ITS MANUFACTURING METHOD
- Publication number 20090136065
- Publication date May 28, 2009
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio Transducer Component
- Publication number 20080317255
- Publication date Dec 25, 2008
- Nokia Corporation
- John Cozens
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dual Diaphragm Electroacoustic Transducer
- Publication number 20080044044
- Publication date Feb 21, 2008
- Peter L. Madaffari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Spherically housed loudspeaker system
- Publication number 20070154044
- Publication date Jul 5, 2007
- Iroquois Holding Company
- J. Craig Oxford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Compact high performance speaker
- Publication number 20060215872
- Publication date Sep 28, 2006
- Godehard A. Guenther
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Low profile speaker and system
- Publication number 20060215870
- Publication date Sep 28, 2006
- Godehard A. Guenther
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electroacoustic transducer mounting in shells of hearing prostheses
- Publication number 20060153418
- Publication date Jul 13, 2006
- Aart Zeger Van Halteren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Loudspeaker, manufacturing method thereof, and mobile telephone usi...
- Publication number 20060120551
- Publication date Jun 8, 2006
- Mitsutaka Enomoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dual-diaphragm speaker assemblies with acoustic passageways and mob...
- Publication number 20060094378
- Publication date May 4, 2006
- Matthew Justin Murray
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speaker
- Publication number 20050271226
- Publication date Dec 8, 2005
- MASTSUSHITA ELECTRIC INDUSTRIAL CO.,
- Takehiko Tanabu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Low profile speaker and system
- Publication number 20040161129
- Publication date Aug 19, 2004
- GODEHARD A. GUENTHER
- Godehard A. Guenther
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Compact high performance speaker
- Publication number 20040076308
- Publication date Apr 22, 2004
- Godehard A. Guenther
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Twin magnetic loop used in the electro-acoustic device
- Publication number 20040076307
- Publication date Apr 22, 2004
- American Audio Components, Inc.
- Zheng Min Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Compound sound generator
- Publication number 20040071303
- Publication date Apr 15, 2004
- CITIZEN ELECTRONICS CO., LTD.
- Masahito Furuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Structure of dual magnetic loop type receiver
- Publication number 20040070547
- Publication date Apr 15, 2004
- Merry Electronics Co., Ltd.
- Jui-Cheng Chang
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Transducers having separately controllable opposing diaphragms

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Miniature loudspeaker with radial ring magnetic circuit

Linear motor magnet assembly and loudspeaker unit

Sound device

Linear motor magnet assembly and loudspeaker unit

Force balanced acoustic transducer

Dual function transducer

Speaker devices with dual-transducers

Linear motor magnet assembly and loudspeaker unit

Speaker transducer

Loudspeaker system

Sound generator

Planar magnetic driver having trace-free radiant region

Speaker unit for earphone

Loudpseakers

Speaker unit with dual diaphragms and dual coils

Solid-medium sound conducting receiver and electronic device with t...

Planar magnetic driver having trace-free radiating region

Magnet assembly for a loudspeaker and loudspeaker with such a magne...

Acoustic transducer comprising a plurality of coaxially arranged di...

Digital acoustic system

Spherically housed loudspeaker system

Earphone device having sound guiding structures

Micro-speaker

Speaker

Acoustic transducer comprising a plurality of coaxially arranged di...

Spherically housed loudspeaker system

Dual diaphragm electroacoustic transducer

Electroacoustic transducer mounting in shells of hearing prostheses

Spherically housed loudspeaker system

Dual-diaphragm speaker assemblies with acoustic passageways and mob...

Patents Applicationslast 30 patents

MINIATURE LOUDSPEAKER WITH RADIAL RING MAGNETIC CIRCUIT

SPEAKER DEVICE

SPEAKER TRANSDUCER

SPEAKER DEVICES WITH DUAL-TRANSDUCERS

Electroacoustic Transducer

PLANAR MAGNETIC DRIVER HAVING TRACE-FREE RADIANT REGION

PLANAR MAGNETIC DRIVER HAVING TRACE-FREE RADIATING REGION

MAGNET ASSEMBLY FOR A LOUDSPEAKER AND LOUDSPEAKER WITH SUCH A MAGNE...

DIGITAL ACOUSTIC SYSTEM

Speaker

SPHERICALLY HOUSED LOUDSPEAKER SYSTEM

MULTIFUNCTIONAL MICRO SPEAKER

MULTIFUNCTIONAL MICRO SPEAKER

SPHERICALLY HOUSED LOUDSPEAKER SYSTEM

Acoustic transducer comprising a plurality of coaxially arranged di...

COMPOSITE SPEAKER AND ITS MANUFACTURING METHOD

Audio Transducer Component

Dual Diaphragm Electroacoustic Transducer

Spherically housed loudspeaker system

Compact high performance speaker

Low profile speaker and system

Electroacoustic transducer mounting in shells of hearing prostheses

Loudspeaker, manufacturing method thereof, and mobile telephone usi...

Dual-diaphragm speaker assemblies with acoustic passageways and mob...

Speaker

Low profile speaker and system

Compact high performance speaker

Twin magnetic loop used in the electro-acoustic device

Compound sound generator

Structure of dual magnetic loop type receiver