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

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  • 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

    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
  • Information Patent Application

    BONE CONDUCTION MAGNETIC RETENTION SYSTEM
    • Publication number 20230156416
    • Publication date May 18, 2023
    • Johan GUSTAFSSON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER AND ELECTRONIC DEVICE
    • Publication number 20230148010
    • Publication date May 11, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Keyong Zhou
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER AND ELECTRONIC APPARATUS
    • Publication number 20230128831
    • Publication date Apr 27, 2023
    • Beijing Xiaomi Mobile Software Co., Ltd.
    • Xiulu JIN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMPROVEMENTS IN AND RELATING TO LOUDSPEAKER MAGNET ASSEMBLIES
    • Publication number 20230117602
    • Publication date Apr 20, 2023
    • B&W GROUP LTD
    • Martial Andre Robert Rousseau
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCER AND LOUDSPEAKER, MICROPHONE AND ELECTRON...
    • Publication number 20230111935
    • Publication date Apr 13, 2023
    • LORENTZ AUDIO B.V.
    • Wouter DIEDEREN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20230037430
    • Publication date Feb 9, 2023
    • Alps Alpine Co., Ltd.
    • Haruki Uesugi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER WITH A FIN-REINFORCED VOICE COIL STRUCTURE
    • Publication number 20230019916
    • Publication date Jan 19, 2023
    • HAINING XIMINI TECHNOLOGY CO., LTD.
    • Wei Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AUDIO DEVICE TRANSDUCER AND ASSOCIATED SYSTEMS AND METHODS
    • Publication number 20230007376
    • Publication date Jan 5, 2023
    • Sonos, Inc.
    • Timothy Sheen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INTEGRATED TRANSDUCER
    • Publication number 20220394389
    • Publication date Dec 8, 2022
    • Norman Gerkinsmeyer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VOICE COIL ASSEMBLY AND LOUDSPEAKER
    • Publication number 20220386033
    • Publication date Dec 1, 2022
    • Goertek Inc.
    • Yue ZHAO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-INPUT-DRIVING LOUDSPEAKER
    • Publication number 20220369039
    • Publication date Nov 17, 2022
    • SUZHOU RUSHENG ELECTRONICS CO., LTD.
    • Jianming ZHOU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND-PRODUCING APPARATUS, ACOUSTIC MODULE PROVIDED WITH SOUND-PROD...
    • Publication number 20220345824
    • Publication date Oct 27, 2022
    • Goertek Inc.
    • Lianshan Ge
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CONDUCTIVE FILM FOR A SOUND GENERATION DEVICE AND THE SOUND GENERAT...
    • Publication number 20220345826
    • Publication date Oct 27, 2022
    • Goertek Inc.
    • Xiaodong GUO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND PRODUCTION DEVICE AND ELECTRONIC APPARATUS THEREFOR
    • Publication number 20220329949
    • Publication date Oct 13, 2022
    • Goertek, Inc.
    • Xiaodong Guo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE