TREA

Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups

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Industry

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  • H04R2307/00
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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

H04R2307/00Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups

Sub Industries

H04R2307/021Diaphragms comprising cellulose-like materials H04R2307/023Diaphragms comprising ceramic-like materials H04R2307/025Diaphragms comprising polymeric materials H04R2307/027Diaphragms comprising metallic materials H04R2307/029Diaphragms comprising fibres H04R2307/201Damping aspects of the outer suspension of loudspeaker diaphragms by addition of additional damping means H04R2307/204Material aspects of the outer suspension of loudspeaker diaphragms H04R2307/207Shape aspects of the outer suspension of loudspeaker diaphragms
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ACOUSTIC TRANSDUCER
    • Publication number 20250133319
    • Publication date Apr 24, 2025
    • MMI SEMICONDUCTOR CO., LTD.
    • Ayumu MURAKAMI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIAPHRAGM, LOUDSPEAKER, AND DIAPHRAGM MANUFACTURING METHOD
    • Publication number 20250133345
    • Publication date Apr 24, 2025
    • Panasonic Automotive Systems Co., Ltd.
    • Tetsushi ITANO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Diaphragm for Speaker
    • Publication number 20250133344
    • Publication date Apr 24, 2025
    • Glass Acoustic Innovations Co., Ltd.
    • Kwun Kit CHAN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COMPOSITE DIAPHRAGM AND SOUND-GENERATING DEVICE
    • Publication number 20250126408
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhongwei Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MEMS Piezoelectric Speaker
    • Publication number 20250126409
    • Publication date Apr 17, 2025
    • AAC Kaitai Technologies (Wuhan) CO., LTD
    • Yu Shen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    RUBBER VOICE DIAPHRAGM AND METHOD FOR PREPARING THE SAME, AND SPEAKER
    • Publication number 20250109262
    • Publication date Apr 3, 2025
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Yuanwei Su
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIAMOND CANTILEVER-BASED OPTICAL MICROPHONES AND RELATED SYSTEMS AN...
    • Publication number 20250106568
    • Publication date Mar 27, 2025
    • ZHENGZHOU UNIVERSITY
    • Chongxin SHAN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATION DEVICE AND VIBRATION METHOD
    • Publication number 20250088799
    • Publication date Mar 13, 2025
    • AGC Inc.
    • Jun AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKERS
    • Publication number 20250088805
    • Publication date Mar 13, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Wenbing ZHOU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    GLASS-DIAPHRAGM-EQUIPPED VEHICLE BODY STRUCTURE
    • Publication number 20250074164
    • Publication date Mar 6, 2025
    • AGC Inc.
    • Kento SAKURAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DIAPHRAGM AND ELECTROACOUSTIC TRANSDUCER
    • Publication number 20250080914
    • Publication date Mar 6, 2025
    • Panasonic Automotive Systems Co., Ltd.
    • Keitaro OTOMO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DUST CAP, DIAPHRAGM, AND ELECTROACOUSTIC TRANSDUCER
    • Publication number 20250071484
    • Publication date Feb 27, 2025
    • Panasonic Automotive Systems Co., Ltd.
    • Mitsukazu KUZE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER AND VOICE COIL MODULE THEREOF
    • Publication number 20250063306
    • Publication date Feb 20, 2025
    • Eastech (Huizhou) Co., Ltd.
    • Junming CHEN
    • 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

    APPARATUS
    • Publication number 20250048033
    • Publication date Feb 6, 2025
    • LG Display Co., Ltd.
    • Kyungyeol RYU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electrostatic Transducer And Diaphragm
    • Publication number 20250048039
    • Publication date Feb 6, 2025
    • WARWICK ACOUSTICS LIMITED
    • Benjamin Martin LISLE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICROELECTROMECHANICAL DEVICE, MICROELECTROMECHANICAL MICROPHONE AN...
    • Publication number 20250030987
    • Publication date Jan 23, 2025
    • ROBERT BOSCH GmbH
    • Jochen Reinmuth
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    SELECTIVE HYDROPHOBIC LAYER REMOVAL USING UV IRRADIATION WITH NON-A...
    • Publication number 20240429324
    • Publication date Dec 26, 2024
    • InvenSense, Inc.
    • Jotaro Akiyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ATTACHABLE MICROPHONE AND MANUFACTURING METHOD THEREFOR
    • Publication number 20240417240
    • Publication date Dec 19, 2024
    • CENTER FOR ADVANCED SOFT ELECTRONICS
    • Kilwon CHO
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    METHOD OF MANUFACTURING SPEAKER DIAPHRAGM, SPEAKER DIAPHRAGM, AND S...
    • Publication number 20240422492
    • Publication date Dec 19, 2024
    • JVCKENWOOD CORPORATION
    • Kazuyuki INAGAKI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20240414479
    • Publication date Dec 12, 2024
    • BENQ CORPORATION
    • Tung-Ko Lu
    • 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 DIAPHRAGM AND SPEAKER WITH IMPROVED ACOUSTIC PERFORMANCE
    • Publication number 20240373167
    • Publication date Nov 7, 2024
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • Qingquan ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20240373168
    • Publication date Nov 7, 2024
    • PSS BELGIUM N.V.
    • Fabian Vuine
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ULTRASONIC TRANSDUCER AND PARAMETRIC SPEAKER INCLUDING THE SAME
    • Publication number 20240365071
    • Publication date Oct 31, 2024
    • Murata Manufacturing Co., Ltd.
    • Hironari YAMAMOTO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20240365052
    • Publication date Oct 31, 2024
    • OMVO TECHNOLOGY INC.
    • YUE SHIH JENG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20240323611
    • Publication date Sep 26, 2024
    • Panasonic Automotive Systems Co., Ltd.
    • Satoshi ITOH
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AUDIO TRANSDUCERS
    • Publication number 20240323612
    • Publication date Sep 26, 2024
    • Wing Acoustics Limited
    • David John Palmer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIAPHRAGM WITH EXCITER, AND VEHICLE WINDOW GLASS
    • Publication number 20240314478
    • Publication date Sep 19, 2024
    • AGC Inc.
    • Jun AKIYAMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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