TREA

Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups

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Industry

  • CPC
  • H04R2209/00
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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

Current Industry

H04R2209/00Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups

Sub Industries

H04R2209/021Reduction of eddy currents in the magnetic circuit of electrodynamic loudspeaker transducer H04R2209/022Aspects regarding the stray flux internal or external to the magnetic circuit H04R2209/024Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers H04R2209/026Transducers having separately controllable opposing diaphragms H04R2209/027Electrical or mechanical reduction of yoke vibration H04R2209/041Voice coil arrangements comprising more than one voice coil unit on the same bobbin H04R2209/043Short circuited voice coils driven by induction
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • 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

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

    SPEAKER DEVICE
    • Publication number 20240397266
    • Publication date Nov 28, 2024
    • Sonos, Inc.
    • Timothy Ruben Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DOUBLE GAP DOUBLE COIL DRIVEN SPEAKER
    • Publication number 20240381032
    • Publication date Nov 14, 2024
    • Juluen Enterprise Co., Ltd.
    • Ching-Hui HUANG
    • 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

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

    MAGNETIC RETENTION SYSTEM
    • Publication number 20240323623
    • Publication date Sep 26, 2024
    • COCHLEAR LIMITED
    • Johan GUSTAFSSON
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    LINE DAMPER BELLOWS DUAL OPPOSING DRIVER SPEAKER
    • Publication number 20240298117
    • Publication date Sep 5, 2024
    • Mayht Holding B.V.
    • Mattias Jeffrey Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Audio Transducer With Forced Ventilation of Motor and Method
    • Publication number 20240251205
    • Publication date Jul 25, 2024
    • Polk Audio, LLC
    • Sean O'Brien
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-INPUT-DRIVING LOUDSPEAKER
    • Publication number 20240244380
    • Publication date Jul 18, 2024
    • Suzhou Sonavox Electronics Co., Ltd
    • Jianming ZHOU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCERS AND MANUFACTURING METHODS THEREOF
    • Publication number 20240223956
    • Publication date Jul 4, 2024
    • Tymphany HK Limited
    • Andrew Trippier Holt
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER TRANSDUCER
    • Publication number 20240214743
    • Publication date Jun 27, 2024
    • Mayht Holding B.V.
    • Timothy Ruben Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTIFUNCTIONAL SOUND DEVICE
    • Publication number 20240205576
    • Publication date Jun 20, 2024
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Lubin Mao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACTUATOR MODULE WITH IMPROVED DAMAGE RESISTANCE
    • Publication number 20240040320
    • Publication date Feb 1, 2024
    • Google LLC
    • Neil John Harris
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20240022845
    • Publication date Jan 18, 2024
    • PIONEER CORPORATION
    • Kazuaki Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DUAL FUNCTION TRANSDUCER
    • Publication number 20240007796
    • Publication date Jan 4, 2024
    • Apple Inc.
    • Rebecca J. Mikolajczyk
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICES WITH DUAL-TRANSDUCERS
    • Publication number 20230421961
    • Publication date Dec 28, 2023
    • Hewlett-Packard Development Company, L.P.
    • Yen-Hsin HO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER WITH IMPROVED FREQUENCY RESPONSE AND RELATED ELECTRONIC SOU...
    • Publication number 20230403512
    • Publication date Dec 14, 2023
    • Sound Solutions International (Zhenjiang) Co., Ltd.
    • Hong-Bi Dong Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electroacoustic Transducer
    • Publication number 20230388701
    • Publication date Nov 30, 2023
    • Bose Corporation
    • Ryan C. Struzik
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRODYNAMIC VIBRATION EXCITER
    • Publication number 20230372971
    • Publication date Nov 23, 2023
    • Continental Engineering Services GmbH
    • Philipp Neubauer
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20230362536
    • Publication date Nov 9, 2023
    • Kaetel Systems GmbH
    • Klaus KAETEL
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COIL WITH DIFFERENT WINDINGS
    • Publication number 20230353945
    • Publication date Nov 2, 2023
    • KNOWLES ELECTRONICS, LLC
    • Yahui Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VOICE COIL ACTUATOR AND LOUDSPEAKERS CONTAINING SAME
    • Publication number 20230239625
    • Publication date Jul 27, 2023
    • CLEAN ENERGY LABS, LLC
    • Joseph F. Pinkerton
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DOUBLE-SIDED SPEAKER
    • Publication number 20230232156
    • Publication date Jul 20, 2023
    • Shenzhen Luxshare Acoustics Technology Ltd.
    • ZhiHua TONG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DOUBLE-SIDED SPEAKER
    • Publication number 20230224641
    • Publication date Jul 13, 2023
    • Shenzhen Luxshare Acoustics Technology Ltd.
    • ZhiHua TONG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20230199395
    • Publication date Jun 22, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Weimin Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Audio Transducer With Forced Ventilation of Motor and Method
    • Publication number 20230199394
    • Publication date Jun 22, 2023
    • Polk Audio, LLC
    • Sean O'Brien
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20230199399
    • Publication date Jun 22, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Hongjian Hu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DUAL AXIAL MAGNETIC FLUX INDUCTION SPEAKER
    • Publication number 20230164492
    • Publication date May 25, 2023
    • Hector QUERRY
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER