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Magnetic circuit

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  • H04R9/025
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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

H04R9/025Magnetic circuit
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Glasses
    • Patent number 12,248,197
    • Issue date Mar 11, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Yueqiang Wang
    • 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

    Sound-output device
    • Patent number 12,245,005
    • Issue date Mar 4, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei Zhang
    • 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 with better acoustic performance structure
    • Patent number 12,238,500
    • Issue date Feb 25, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Huhu Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Bone conduction speaker
    • Patent number 12,238,498
    • Issue date Feb 25, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei Zhang
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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
  • Information Patent Grant

    Loudspeaker apparatus
    • Patent number 12,231,840
    • Issue date Feb 18, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Yongjian Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound-producing device
    • Patent number 12,225,347
    • Issue date Feb 11, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Zhen Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,225,365
    • Issue date Feb 11, 2025
    • Wistron Corporation
    • Xiao-Qin Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic transducer with balanced properties
    • Patent number 12,225,366
    • Issue date Feb 11, 2025
    • PS AUDIO DESIGN OY
    • Petri Soronen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coaxial speaker
    • Patent number 12,225,343
    • Issue date Feb 11, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Fan Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Full-frequency band high quality speaker with a bar and sound tunnels
    • Patent number 12,212,946
    • Issue date Jan 28, 2025
    • SUZHOU LI YUE MUSICAL INSTRUMENTS CO., LTD.
    • Haiou Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker applicable to be fixed on arched surface
    • Patent number 12,212,907
    • Issue date Jan 28, 2025
    • Huizhou Volant Roc Electronics Tech Co., Ltd.
    • Jianbo Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker and electronic device
    • Patent number 12,207,042
    • Issue date Jan 21, 2025
    • VIVO MOBILE COMMUNICATION CO., LTD.
    • Guozhu Jiang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic output device
    • Patent number 12,207,044
    • Issue date Jan 21, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound-output device
    • Patent number 12,207,062
    • Issue date Jan 21, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Double-sided speaker
    • Patent number 12,200,461
    • Issue date Jan 14, 2025
    • SHENZHEN LUXSHARE ACOUSTICS TECHNOLOGY LTD.
    • ZhiHe Zeng
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic device
    • Patent number 12,200,430
    • Issue date Jan 14, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Double-sided speaker
    • Patent number 12,200,462
    • Issue date Jan 14, 2025
    • SHENZHEN LUXSHARE ACOUSTICS TECHNOLOGY LTD.
    • ZhiHua Tong
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vehicular speaker
    • Patent number 12,192,725
    • Issue date Jan 7, 2025
    • Foster Electric Company, Limited
    • Takayuki Tabata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Speaker
    • Patent number 12,192,726
    • Issue date Jan 7, 2025
    • TIINLAB CORPORATION
    • Xiaochao Gong
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,192,729
    • Issue date Jan 7, 2025
    • Merry Electronics(Shenzhen) Co., Ltd.
    • Tsai Ti Lai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic devices and magnetic circuit assemblies thereof
    • Patent number 12,192,732
    • Issue date Jan 7, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Liwei Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound device
    • Patent number 12,192,721
    • Issue date Jan 7, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Long Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sound device
    • Patent number 12,192,730
    • Issue date Jan 7, 2025
    • AAC Technologies (Nanjing) Co., Ltd.
    • Yun Tang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional acoustic device
    • Patent number 12,192,727
    • Issue date Jan 7, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound device
    • Patent number 12,192,728
    • Issue date Jan 7, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Dijiang Tong
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sounding device
    • Patent number 12,185,074
    • Issue date Dec 31, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Huhu Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER MODULE AND ASSEMBLING METHOD THEREOF
    • Publication number 20250080917
    • Publication date Mar 6, 2025
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Haijuan Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIAPHRAGM AND ELECTROACOUSTIC TRANSDUCER
    • Publication number 20250080914
    • Publication date Mar 6, 2025
    • Panasonic Automotive Systems Co., Ltd.
    • Keitaro OTOMO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER MODULE
    • Publication number 20250071473
    • Publication date Feb 27, 2025
    • ACER INCORPORATED
    • Jia-Ren CHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICES
    • Publication number 20250071471
    • Publication date Feb 27, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DUST CAP, DIAPHRAGM, AND ELECTROACOUSTIC TRANSDUCER
    • Publication number 20250071484
    • Publication date Feb 27, 2025
    • Panasonic Automotive Systems Co., Ltd.
    • Mitsukazu KUZE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER AND VOICE COIL MODULE THEREOF
    • Publication number 20250063306
    • Publication date Feb 20, 2025
    • Eastech (Huizhou) Co., Ltd.
    • Junming CHEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICES
    • Publication number 20250063292
    • Publication date Feb 20, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRONIC DEVICE
    • Publication number 20250063307
    • Publication date Feb 20, 2025
    • MERRY ELECTRONICS (SUZHOU) CO.,LTD.
    • LiGuo RAO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICES
    • Publication number 20250063293
    • Publication date Feb 20, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRONIC DEVICE
    • Publication number 20250063309
    • Publication date Feb 20, 2025
    • MERRY ELECTRONICS (SUZHOU) CO.,LTD.
    • LiGuo RAO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AUDIO TRANSDUCER SYSTEMS FOR ELECTRONIC DEVICES WITH DISPLAYS
    • Publication number 20250063282
    • Publication date Feb 20, 2025
    • Apple Inc.
    • Aneesh R. KUDEKAR
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATION EXCITER WITH ELASTIC BRACKETS
    • Publication number 20250056154
    • Publication date Feb 13, 2025
    • NINGBO KEPO ELECTRONICS CO., LTD.
    • BING WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MAGNET ASSEMBLY FOR INCLUSION WITHIN A MOTOR ASSEMBLY
    • Publication number 20250054667
    • Publication date Feb 13, 2025
    • Systematic Audio, LLC
    • Jacob Aaron Fuller
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VIBRATION-DAMPING RECTANGULAR MAGNETIC ASSEMBLY
    • Publication number 20250056153
    • Publication date Feb 13, 2025
    • FORTUNE GRAND TECHNOLOGY INC.
    • PING-YU LEE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sounding Device
    • Publication number 20250056163
    • Publication date Feb 13, 2025
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Wei Song
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    FLUX TRACKED VOICE-COIL SPEAKER
    • Publication number 20250056161
    • Publication date Feb 13, 2025
    • Tymphany HK Limited
    • Solal BOUCHET
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Acoustic Unit for a Sound Transducer Unit
    • Publication number 20250048034
    • Publication date Feb 6, 2025
    • USound GmbH
    • Andrea Rusconi Clerici Beltrami
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VOICE-CONTROLLED ELECTRONIC DEVICE
    • Publication number 20250044879
    • Publication date Feb 6, 2025
    • Apple Inc.
    • Craig M. Stanley
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250039609
    • Publication date Jan 30, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Chaowu LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICES
    • Publication number 20250039597
    • Publication date Jan 30, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Guangyuan ZHU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND ACTUATOR WITH ROBUST POSITIONING OF MAGNETIC POLE PLATE PACKETS
    • Publication number 20250030983
    • Publication date Jan 23, 2025
    • Continental Engineering Services GmbH
    • Philipp Neubauer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electrodynamic actuator with improved magnet system
    • Publication number 20250030984
    • Publication date Jan 23, 2025
    • Sound Solutions International (Zhenjiang) Co.,Ltd.
    • Manuel Mefleh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250030985
    • Publication date Jan 23, 2025
    • Shenzhen Luxshare Acoustics Technology Ltd.
    • ZhiHua TONG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250030986
    • Publication date Jan 23, 2025
    • Shenzhen Luxshare Acoustics Technology Ltd.
    • ZhiHua TONG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EYEGLASSES
    • Publication number 20250020947
    • Publication date Jan 16, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Yueqiang WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250024191
    • Publication date Jan 16, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Yongjian LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250024205
    • Publication date Jan 16, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Chaowu LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER MODULE AND ELECTRONIC DEVICE
    • Publication number 20250020946
    • Publication date Jan 16, 2025
    • Huawei Technologies Co., Ltd
    • Li Guo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER APPARATUS
    • Publication number 20250024204
    • Publication date Jan 16, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Chaowu LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    GLASSES
    • Publication number 20250013078
    • Publication date Jan 9, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Yueqiang WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE