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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

Patents Applicationslast 30 patents

  • Information Patent Application

    Loudspeaker and housing configuration
    • Publication number 20240422463
    • Publication date Dec 19, 2024
    • Elettromedia s.p.a.
    • Luca GIROTTI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICES
    • Publication number 20240422475
    • Publication date Dec 19, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Liwei WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20240414477
    • Publication date Dec 12, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Chao Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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 ASSEMBLY WITH MECHANICALLY-COUPLED MAGNET
    • Publication number 20240414481
    • Publication date Dec 12, 2024
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    • Patrick GROLEAU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT APPARATUS, EARPHONE AND ULTRA-LINEAR MULTI-MAGNETIC...
    • Publication number 20240406616
    • Publication date Dec 5, 2024
    • Shenzhen Dancing Future Technology Ltd.
    • Chuanbo WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20240406635
    • Publication date Dec 5, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Chao Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCER
    • Publication number 20240406637
    • Publication date Dec 5, 2024
    • Audio-Technica Corporation
    • Hiromichi OZAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20240406639
    • Publication date Dec 5, 2024
    • SUNG JU SOUND CORP.
    • Jong-Dae WON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electrodynamic actuator with vibration compensation and method of t...
    • Publication number 20240406636
    • Publication date Dec 5, 2024
    • Sound Solutions International (Zhenjiang) Co., Ltd.
    • Friedrich Reining
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MINIATURE LOUDSPEAKER
    • Publication number 20240397254
    • Publication date Nov 28, 2024
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • Jingui Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCERS, LOUDSPEAKERS, AND ACOUSTIC OUTPUT DEVICES
    • Publication number 20240397265
    • Publication date Nov 28, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Guangyuan ZHU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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