TREA

Magnetic circuit

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  • CPC
  • H04R9/025
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Parent Industries

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

    Sound-producing device and electronic terminal
    • Patent number 12,149,907
    • Issue date Nov 19, 2024
    • GOERTEK INC.
    • Jianbin Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Voice-controlled electronic device
    • Patent number 12,147,610
    • Issue date Nov 19, 2024
    • Apple Inc.
    • Craig M. Stanley
    • G06 - COMPUTING CALCULATING COUNTING
  • 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

    Damper and sound-producing device
    • Patent number 12,149,909
    • Issue date Nov 19, 2024
    • GOERTEK INC.
    • Jianbin Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,149,910
    • Issue date Nov 19, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yang Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,143,796
    • Issue date Nov 12, 2024
    • SHENZHEN LUXSHARE ACOUSTICS TECHNOLOGY LTD.
    • ZhiHua Tong
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Micro speaker
    • Patent number 12,143,792
    • Issue date Nov 12, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yao Hui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Diaphragm for high pressure waterproof microspeaker and high pressu...
    • Patent number 12,143,793
    • Issue date Nov 12, 2024
    • EM-TECH CO., LTD.
    • Byung Min Yu
    • 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

    Earphone with duct unit dividing pressure equilibrium hole and back...
    • Patent number 12,137,311
    • Issue date Nov 5, 2024
    • EM-TECH CO., LTD.
    • Jun Hee Han
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Thin loudspeaker
    • Patent number 12,133,059
    • Issue date Oct 29, 2024
    • National Central University
    • Po-Lei Lee
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Display apparatus
    • Patent number 12,133,034
    • Issue date Oct 29, 2024
    • HISENSE VISUAL TECHNOLOGY CO., LTD.
    • Hui Zhou
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generating device
    • Patent number 12,126,978
    • Issue date Oct 22, 2024
    • GoerTek Inc.
    • Huawei Liu
    • 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

    Electroacoustic drivers and loudspeakers containing same
    • Patent number 12,126,979
    • Issue date Oct 22, 2024
    • BRANE AUDIO, LLC
    • Joseph F. Pinkerton
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 12,126,980
    • Issue date Oct 22, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Chaowu Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coaxial speaker
    • Patent number 12,120,495
    • Issue date Oct 15, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 12,120,482
    • Issue date Oct 15, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Yongjian Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Magnetic-potential loudspeaker and electronic device using the same
    • Patent number 12,114,145
    • Issue date Oct 8, 2024
    • GoerTek Inc.
    • Chunfa Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generating device
    • Patent number 12,108,232
    • Issue date Oct 1, 2024
    • GoerTek Inc.
    • Jie Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Eyeglasses
    • Patent number 12,105,357
    • Issue date Oct 1, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Yueqiang Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Shaker for electronic device
    • Patent number 12,107,472
    • Issue date Oct 1, 2024
    • Apple Inc.
    • Onur I. Ilkorur
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional acoustic device
    • Patent number 12,108,231
    • Issue date Oct 1, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic output devices
    • Patent number 12,108,208
    • Issue date Oct 1, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Liwei Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibration generating device
    • Patent number 12,103,040
    • Issue date Oct 1, 2024
    • Alps Alpine Co., Ltd.
    • Kunio Sato
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Loudspeaker apparatus
    • Patent number 12,108,234
    • Issue date Oct 1, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Chaowu Li
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Systems, methods, and devices for acoustic output
    • Patent number 12,108,203
    • Issue date Oct 1, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker module and portable electronic device
    • Patent number 12,101,596
    • Issue date Sep 24, 2024
    • Huawei Technologies Co., Ltd.
    • Wentao Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker with a fin-reinforced voice coil structure
    • Patent number 12,101,617
    • Issue date Sep 24, 2024
    • HAINING XIMINI TECHNOLOGY CO., LTD.
    • Wei Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,101,616
    • Issue date Sep 24, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Huhu Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20240388837
    • Publication date Nov 21, 2024
    • SHENZHEN WANHONG APPLE ELECTRONICSCO., LTD
    • Xinde Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND-OUTPUT DEVICE
    • Publication number 20240388843
    • Publication date Nov 21, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BONE CONDUCTION SPEAKER AND COMPOUND VIBRATION DEVICE THEREOF
    • Publication number 20240388852
    • Publication date Nov 21, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Xin QI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKERS AND METHODS OF USE THEREOF
    • Publication number 20240388854
    • Publication date Nov 21, 2024
    • CLEAN ENERGY LABS, LLC
    • Joseph F. Pinkerton
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATION DEVICE, A BONE CONDUCTION HEADPHONE, AND AN INTELLIGENT H...
    • Publication number 20240381031
    • Publication date Nov 14, 2024
    • Suzhou Thor Electronic Technology Co., Ltd.
    • Juan Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DISPLAY APPARATUS
    • Publication number 20240381021
    • Publication date Nov 14, 2024
    • LG Display Co., Ltd.
    • Sungtae LEE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATING DIAPHRAGM AND LOUDSPEAKER
    • Publication number 20240381028
    • Publication date Nov 14, 2024
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • Huaming Wan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER WITH IMPROVED BL CHARACTERISTICS AND ELECTRONIC DEVICE INCL...
    • Publication number 20240381033
    • Publication date Nov 14, 2024
    • Samsung Electronics Co., Ltd.
    • Seongkwan YANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER STRUCTURE AND LOUDSPEAKER DEVICE
    • Publication number 20240373170
    • Publication date Nov 7, 2024
    • LUXSHARE ELECTRONIC TECHNOLOGY (KUNSHAN) LTD.
    • Kai YANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCERS, LOUDSPEAKERS, AND ACOUSTIC OUTPUT DEVICES
    • Publication number 20240365050
    • Publication date Oct 31, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT APPARATUS
    • Publication number 20240365055
    • Publication date Oct 31, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCERS, LOUDSPEAKERS, AND ACOUSTIC OUTPUT DEVICES
    • Publication number 20240365068
    • Publication date Oct 31, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Guangyuan ZHU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DISPLAY APPARATUS
    • Publication number 20240365037
    • Publication date Oct 31, 2024
    • LG Display Co., Ltd.
    • Yongjoon KIM
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    TRANSDUCERS, LOUDSPEAKERS, AND ACOUSTIC OUTPUT DEVICES
    • Publication number 20240365067
    • Publication date Oct 31, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Guangyuan ZHU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCERS, LOUDSPEAKERS, AND ACOUSTIC OUTPUT DEVICES
    • Publication number 20240365069
    • Publication date Oct 31, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Guangyuan ZHU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    GLASSES
    • Publication number 20240361616
    • Publication date Oct 31, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Yueqiang WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCERS, LOUDSPEAKERS, AND ACOUSTIC OUTPUT DEVICES
    • Publication number 20240365049
    • Publication date Oct 31, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER MODULE AND ELECTRONIC DEVICE
    • Publication number 20240365066
    • Publication date Oct 31, 2024
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • Liguo RAO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PACKAGE STRUCTURE OF MICRO SPEAKER
    • Publication number 20240357294
    • Publication date Oct 24, 2024
    • Fortemedia, Inc.
    • Yu-Xuan XU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Double-sided Sounding Device
    • Publication number 20240348980
    • Publication date Oct 17, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Long Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20240348982
    • Publication date Oct 17, 2024
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • Yuanyuan ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20240348985
    • Publication date Oct 17, 2024
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • Yuanyuan ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Earphone
    • Publication number 20240348967
    • Publication date Oct 17, 2024
    • Honor Device Co., Ltd.
    • Chuanguo Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20240348979
    • Publication date Oct 17, 2024
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • Yuanyuan ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROACOUSTIC CONVERSION DEVICE
    • Publication number 20240348984
    • Publication date Oct 17, 2024
    • Panasonic Automotive Systems Co., Ltd.
    • Satoshi ITOH
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20240348981
    • Publication date Oct 17, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Huhu Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20240340592
    • Publication date Oct 10, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhaoyu Yin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MINIATURE SPEAKER
    • Publication number 20240340594
    • Publication date Oct 10, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20240340591
    • Publication date Oct 10, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhaoyu Yin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SYSTEMS AND METHODS FOR IMPROVED ACOUSTO-HAPTIC SPEAKERS
    • Publication number 20240334115
    • Publication date Oct 3, 2024
    • Immerz, Inc.
    • Shahriar AFSHAR
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE