TREA

Transducers of moving-coil, moving-strip, or moving-wire type

Follow

Industry

  • CPC
  • H04R9/00
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

Current Industry

H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type

Sub Industries

H04R9/02Details H04R9/022Cooling arrangements H04R9/025Magnetic circuit H04R9/027Air gaps using a magnetic fluid H04R9/04Construction, mounting, or centering of coil H04R9/041Centering H04R9/042by pressurised air H04R9/043Inner suspension or damper H04R9/045Mounting H04R9/046Construction H04R9/047in which the windings of the moving coil lay in the same plane H04R9/048of the ribbon type H04R9/06Loudspeakers H04R9/063using a plurality of acoustic drivers H04R9/066using the principle of inertia H04R9/08Microphones H04R9/10Telephone receivers H04R9/12Gramophone pick-ups using a stylus Recorders using a stylus H04R9/14comprising two or more styli or transducers H04R9/16signals recorded or played back by vibration of a stylus in two orthogonal directions simultaneously H04R9/18Resonant transducers
Industries

Patents Grantslast 30 patents

  • 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

    Conductive film for sound producing apparatus and sound producing a...
    • Patent number 12,219,337
    • Issue date Feb 4, 2025
    • GOERTEK INC.
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Actuator module with improved damage resistance
    • Patent number 12,219,338
    • Issue date Feb 4, 2025
    • Google LLC
    • Neil John Harris
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,219,339
    • Issue date Feb 4, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Hongjian Hu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electronic device comprising speaker unit
    • Patent number 12,212,905
    • Issue date Jan 28, 2025
    • Samsung Electronics Co., Ltd.
    • Changi Park
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker illumination apparatus and method
    • Patent number 12,212,909
    • Issue date Jan 28, 2025
    • Vertical WWT LLC
    • Sensheng Xu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Internal venting mechanisms for audio system with non-porous membrane
    • Patent number 12,212,906
    • Issue date Jan 28, 2025
    • Apple Inc.
    • Jiahui Liang
    • 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

    Acoustic device
    • Patent number 12,207,034
    • Issue date Jan 21, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei Zhang
    • G06 - COMPUTING CALCULATING COUNTING
  • 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

    Speaker
    • Patent number 12,207,072
    • Issue date Jan 21, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yang Shi
    • 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

    Loudspeaker and earphone
    • Patent number 12,200,463
    • Issue date Jan 14, 2025
    • GOERTEK INC.
    • Xiaodong Guo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Mobile terminal
    • Patent number 12,200,157
    • Issue date Jan 14, 2025
    • Huawei Technologies Co., Ltd.
    • Shizhe Li
    • 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

    Active sounding device integrated into flat panel display
    • Patent number 12,200,460
    • Issue date Jan 14, 2025
    • Glass Acoustic Innovations Co., Ltd.
    • Yao-Sheng Chou
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibrating diaphragm of sound-producing apparatus and sound-producin...
    • Patent number 12,200,459
    • Issue date Jan 14, 2025
    • GOERTEK INC.
    • Shuqiang Wang
    • 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

    Sound-producing apparatus, acoustic module provided with sound-prod...
    • Patent number 12,192,731
    • Issue date Jan 7, 2025
    • GOERTEK INC.
    • Lianshan Ge
    • 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

Patents Applicationslast 30 patents

  • 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 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

    VOICE COIL STRUCTURE, METHOD FOR MANUFACTURING THE SAME, AND LOUDSP...
    • Publication number 20250056162
    • Publication date Feb 13, 2025
    • TRANSOUND ELECTRONICS CO., LTD.
    • TSENG-FENG WEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CAP ILLUMINATION
    • Publication number 20250056144
    • Publication date Feb 13, 2025
    • Harman Becker Automotive Systems GmbH
    • Marcel PILGAARD HAVEMANN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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

    MULTI-LAYER BOARD ACTUATOR HAVING A PLANAR MAGNET AND VOICE COIL
    • Publication number 20250048035
    • Publication date Feb 6, 2025
    • Apple Inc.
    • Stuart M. Nevill
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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 APPARATUS
    • Publication number 20250039591
    • Publication date Jan 30, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • 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

    AIRFLOW SENSORS FOR SPEAKERS
    • Publication number 20250039624
    • Publication date Jan 30, 2025
    • Apple Inc.
    • Daniel W. MAIER
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT APPARATUS AND METHODS THEREOF
    • Publication number 20250030969
    • Publication date Jan 23, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • 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

    SPEAKER DEVICE
    • Publication number 20250024191
    • Publication date Jan 16, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Yongjian LI
    • 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 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

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

    LOW PROFILE LOUDSPEAKER DEVICE
    • Publication number 20250024194
    • Publication date Jan 16, 2025
    • Mayht Holding B.V.
    • Mattias Jeffrey Scheek
    • 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
  • Information Patent Application

    NOISE REDUCING TWS EARPHONE WITH MULTI-SPEAKERS
    • Publication number 20250016493
    • Publication date Jan 9, 2025
    • Dongguan Roker Electronics Co., Limited
    • KEQIANG LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HEADSET EARPHONE FOR REDUCING NOISE AND WITH COAXIAL PLANAR SPEAKER
    • Publication number 20250016494
    • Publication date Jan 9, 2025
    • Dongguan Roker Electronics Co., Limited
    • KEQIANG LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC MODULE AND ELECTRONIC DEVICE
    • Publication number 20250016505
    • Publication date Jan 9, 2025
    • VIVO MOBILE COMMUNICATION CO., LTD.
    • Xinkun CHENG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT APPARATUS
    • Publication number 20250016487
    • Publication date Jan 9, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING