TREA

Construction, mounting, or centering of coil

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HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type

Current Industry

H04R9/04Construction, mounting, or centering of coil
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Audio speaker dust cap illumination
    • Patent number 12,323,752
    • Issue date Jun 3, 2025
    • Harman International Industries, Incorporated
    • Henrik Kirkeby Jepsen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generation device and electronic apparatus
    • Patent number 12,323,781
    • Issue date Jun 3, 2025
    • GoerTek Inc.
    • Chunfa Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Elliptical ring radiator diaphragm, tweeter and damping method
    • Patent number 12,323,759
    • Issue date Jun 3, 2025
    • POLK AUDIO, LLC
    • Sean O'Brien
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Balanced armature receiver having improved frequency response
    • Patent number 12,317,045
    • Issue date May 27, 2025
    • Knowles Electronics, LLC
    • Christopher Monti
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibration sounding device
    • Patent number 12,317,047
    • Issue date May 27, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker module
    • Patent number 12,317,050
    • Issue date May 27, 2025
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Haijuan Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electrical device
    • Patent number 12,317,031
    • Issue date May 27, 2025
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shohei Kawagoe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Double-sided speaker
    • Patent number 12,317,046
    • Issue date May 27, 2025
    • SHENZHEN LUXSHARE ACOUSTICS TECHNOLOGY LTD.
    • ZhiHua Tong
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker and assembly method therefor, vibration mechanism, and...
    • Patent number 12,317,049
    • Issue date May 27, 2025
    • Hsin Min Huang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional speaker device
    • Patent number 12,317,051
    • Issue date May 27, 2025
    • AAC Technologies (Nanjing) Co., Ltd.
    • Lubin Mao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Double-sided sound device
    • Patent number 12,317,053
    • Issue date May 27, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xiaoqiong Feng
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound diffuser and a method for diffusing a sound through a sound d...
    • Patent number 12,309,566
    • Issue date May 20, 2025
    • POWERSOFT S.P.A.
    • Claudio Lastrucci
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electromagnetic actuator for a display with improved spring arrange...
    • Patent number 12,308,013
    • Issue date May 20, 2025
    • Sound Solutions International (Zhenjiang) Co., Ltd.
    • Friedrich Reining
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Loudspeaker spiders
    • Patent number 12,302,077
    • Issue date May 13, 2025
    • B&W Group Ltd
    • Martial Rousseau
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coil
    • Patent number 12,302,078
    • Issue date May 13, 2025
    • GRAWE & SCHNEIDER GDBR
    • Christian Seebauer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Exciter and electronic product
    • Patent number 12,294,846
    • Issue date May 6, 2025
    • GoerTek Inc.
    • Dongsheng Mao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Tweeter and automobile audio system
    • Patent number 12,294,847
    • Issue date May 6, 2025
    • SUZHOU SONAVOX ELECT/RONICS CO., LTD.
    • Yuewu Shen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electroacoustic transducer, speaker module, and electronic device
    • Patent number 12,289,589
    • Issue date Apr 29, 2025
    • Huawei Technologies Co., Ltd.
    • Jinhua Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electromagnetic transducer with specific internal geometry
    • Patent number 12,289,581
    • Issue date Apr 29, 2025
    • Cochlear Limited
    • Marcus Andersson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Force transducers for electroacoustic drivers and loudspeakers cont...
    • Patent number 12,284,507
    • Issue date Apr 22, 2025
    • BRANE AUDIO, LLC
    • Joseph F. Pinkerton
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sounding device
    • Patent number 12,284,506
    • Issue date Apr 22, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Huhu Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Voice coil actuator and loudspeakers containing same
    • Patent number 12,273,694
    • Issue date Apr 8, 2025
    • BRANE AUDIO, LLC
    • Joseph F. Pinkerton
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Speaker
    • Patent number 12,267,660
    • Issue date Apr 1, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yang Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Display apparatus
    • Patent number 12,267,657
    • Issue date Apr 1, 2025
    • LG Display Co., Ltd.
    • YeongRak Choi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electroacoustic drivers and loudspeakers containing same
    • Patent number 12,256,207
    • Issue date Mar 18, 2025
    • BRANE AUDIO, LLC
    • Joseph F. Pinkerton
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker transducers
    • Patent number 12,256,208
    • Issue date Mar 18, 2025
    • Polk Audio, LLC
    • Sean O'Brien
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number 12,250,531
    • Issue date Mar 11, 2025
    • Harman Becker Automotive Systems GmbH
    • Andreas Helmut Pfeffer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sounding unit
    • Patent number 12,238,499
    • Issue date Feb 25, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Huhu Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker box
    • Patent number 12,238,474
    • Issue date Feb 25, 2025
    • AAC Technologies Pte. Ltd.
    • Yao Hui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker unit
    • Patent number 12,238,501
    • Issue date Feb 25, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yang Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SOUND PRODUCTION DEVICE AND ELECTRONIC APPARATUS
    • Publication number 20250184669
    • Publication date Jun 5, 2025
    • Goertek Inc.
    • Xiaodong CAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKERS AND ELECTRONIC DEVICES
    • Publication number 20250175726
    • Publication date May 29, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND GENERATING MODULE AND ELECTRONIC DEVICE
    • Publication number 20250159412
    • Publication date May 15, 2025
    • Goertek Inc.
    • Xiaodong CAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKERS
    • Publication number 20250150760
    • Publication date May 8, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Chaojie CUI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCER DEVICES, CORE MODULES, AND ELECTRONIC DEVICES
    • Publication number 20250150762
    • Publication date May 8, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Junjiang FU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250142252
    • Publication date May 1, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250142260
    • Publication date May 1, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKERS AND METHODS OF USE THEREOF
    • Publication number 20250142262
    • Publication date May 1, 2025
    • Brane Audio, LLC
    • Joseph F. PINKERTON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20250133330
    • Publication date Apr 24, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIAPHRAGM, LOUDSPEAKER, AND DIAPHRAGM MANUFACTURING METHOD
    • Publication number 20250133345
    • Publication date Apr 24, 2025
    • Panasonic Automotive Systems Co., Ltd.
    • Tetsushi ITANO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250133347
    • Publication date Apr 24, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    RIBBON SPEAKER
    • Publication number 20250133360
    • Publication date Apr 24, 2025
    • SABLE CORPORATION
    • HUI-CHENG CHEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER BOX AND STYLUS
    • Publication number 20250133349
    • Publication date Apr 24, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND-GENERATING DEVICE
    • Publication number 20250126412
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-FUNCTIONAL SOUND-GENERATING DEVICE
    • Publication number 20250126414
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND DEVICE
    • Publication number 20250126413
    • Publication date Apr 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250126401
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Motor Assembly For A Loudspeaker
    • Publication number 20250119691
    • Publication date Apr 10, 2025
    • Systematic Audio, LLC
    • Jacob A. Fuller
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Offset-Soft Mount For Speaker Induced Force Reduction
    • Publication number 20250119683
    • Publication date Apr 10, 2025
    • Apple Inc.
    • Bao Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC DEVICES AND MAGNETIC CIRCUIT ASSEMBLIES THEREOF
    • Publication number 20250119693
    • Publication date Apr 10, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Liwei WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DOUBLE-SIDED SPEAKER
    • Publication number 20250119692
    • Publication date Apr 10, 2025
    • Shenzhen Luxshare Acoustics Technology Ltd.
    • ZhiHe ZENG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250113142
    • Publication date Apr 3, 2025
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Yao Hui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250113147
    • Publication date Apr 3, 2025
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Yao Hui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MAGNETIC STIFFNESS REDUCTION FOR AUDIO TRANSDUCERS
    • Publication number 20250106562
    • Publication date Mar 27, 2025
    • Apple Inc.
    • Stuart M. NEVILL
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    FULL-BANDWIDTH DUAL-SIDED SPEAKER DEVICE
    • Publication number 20250106547
    • Publication date Mar 27, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250106563
    • Publication date Mar 27, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Ke Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MEMBRANE UNIT FOR SPEAKER DEVICE
    • Publication number 20250097644
    • Publication date Mar 20, 2025
    • Mayht Holding B.V.
    • Timothy Ruben Scheek
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DOUBLE-SIDED SPEAKER
    • Publication number 20250097645
    • Publication date Mar 20, 2025
    • Shenzhen Luxshare Acoustics Technology Ltd.
    • ZhiHe ZENG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VOICE COIL AND VOICE COIL MOLDING ASSEMBLY
    • Publication number 20250095898
    • Publication date Mar 20, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhichen Chen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    GRADUAL VIBRATION SPEAKER
    • Publication number 20250097618
    • Publication date Mar 20, 2025
    • ESTEC CORPORATION
    • Jeong Wook KIM
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE