TREA

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

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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

Patents Applicationslast 30 patents

  • Information Patent Application

    SOUND-PRODUCING DEVICE
    • Publication number 20250184661
    • Publication date Jun 5, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Zhen WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250184668
    • Publication date Jun 5, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Qun Xiang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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

    DIAPHRAGM FOR MINIATURE SOUND GENERATION DEVICE AND MINIATURE SOUND...
    • Publication number 20250171569
    • Publication date May 29, 2025
    • Goertek Inc.
    • Bing HUI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER CONE WITH A FLEXIBLE CIRCUIT BOARD
    • Publication number 20250175742
    • Publication date May 29, 2025
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    • Marcel PILGAARD HAVEMANN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIAPHRAGM AND SPEAKER INCLUDING THE SAME
    • Publication number 20250175753
    • Publication date May 29, 2025
    • AAC TECHNOLOGIES PTE. LTD
    • Juha Backman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    LOUDSPEAKER APPARATUS
    • Publication number 20250175732
    • Publication date May 29, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Yongjian LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUNDING DEVICE
    • Publication number 20250168545
    • Publication date May 22, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Xingzhi Huang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Loudspeaker voice coil bobbins
    • Publication number 20250168570
    • Publication date May 22, 2025
    • GP ACOUSTICS (UK) LIMITED
    • Mark Alexander Dodd
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND PRODUCTION MODULE AND TERMINAL DEVICE
    • Publication number 20250168569
    • Publication date May 22, 2025
    • Goertek Inc.
    • Xiaodong CAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCER AND HEADPHONE
    • Publication number 20250159410
    • Publication date May 15, 2025
    • Audio-Technica Corporation
    • Daisuke YONEYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER APPARATUS
    • Publication number 20250159415
    • Publication date May 15, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Chaowu LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PHASED-ARRAY MAPPING FOR BEAMSPACE PROCESSING AND BEAMSPACE PROCESSOR
    • Publication number 20250158713
    • Publication date May 15, 2025
    • Phase Sensitive Innovations, Inc
    • Janusz Murakowski
    • 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 AND ELECTRONIC DEVICES
    • Publication number 20250159413
    • Publication date May 15, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CORE MODULES AND EARPHONES
    • Publication number 20250159794
    • Publication date May 15, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Gong YUE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BONE CONDUCTION SPEAKER
    • Publication number 20250159414
    • Publication date May 15, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei Zhang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SYSTEMS FOR BONE CONDUCTION SPEAKER
    • Publication number 20250159420
    • Publication date May 15, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Fengyun LIAO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LINEAR MOTOR MAGNET ASSEMBLY AND LOUDSPEAKER UNIT
    • Publication number 20250159416
    • Publication date May 15, 2025
    • Mayht Holding B.V.
    • Timothy Ruben Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Earphone core
    • Publication number 20250150750
    • Publication date May 8, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Ronglin Linghu
    • 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

    FLAT LOUDSPEAKER MODULE AND ARRANGEMENT HAVING SOUND-INFLUENCING MO...
    • Publication number 20250150738
    • Publication date May 8, 2025
    • Svetlomir ALEKSANDROV
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER WITH ROLLING SUSPENSION DEVICE
    • Publication number 20250150761
    • Publication date May 8, 2025
    • POWERSOFT S.P.A.
    • CLAUDIO LASTRUCCI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EARPHONES
    • Publication number 20250150746
    • Publication date May 8, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Zeying ZHENG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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

    COAXIAL SPEAKER
    • Publication number 20250142259
    • Publication date May 1, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250142261
    • Publication date May 1, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COAXIAL LOUDSPEAKER
    • Publication number 20250142248
    • Publication date May 1, 2025
    • Tymphany HK Limited
    • George Albert BULLIMORE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE