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Plane diaphragms

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HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R7/00Diaphragms for electromechanical transducers Cones

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H04R7/04Plane diaphragms
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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

    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

    ULTRASONIC TRANSDUCER AND PARAMETRIC SPEAKER INCLUDING THE SAME
    • Publication number 20250175745
    • Publication date May 29, 2025
    • Murata Manufacturing Co., Ltd.
    • Hironari YAMAMOTO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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

    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

    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

    FOUNDRY-COMPATIBLE PROCESS FOR A MEMS AUDIO DEVICE
    • Publication number 20250159423
    • Publication date May 15, 2025
    • Vibrant Microsystems Inc.
    • Joseph DOLL
    • 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

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

    RIBBON SPEAKER
    • Publication number 20250133360
    • Publication date Apr 24, 2025
    • SABLE CORPORATION
    • HUI-CHENG CHEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND-GENERATING DEVICE
    • Publication number 20250133332
    • Publication date Apr 24, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20250133343
    • Publication date Apr 24, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-FUNCTIONAL SOUND-GENERATING DEVICE
    • Publication number 20250126414
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND DEVICE
    • Publication number 20250126413
    • Publication date Apr 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250126401
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Offset-Soft Mount For Speaker Induced Force Reduction
    • Publication number 20250119683
    • Publication date Apr 10, 2025
    • Apple Inc.
    • Bao Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250113142
    • Publication date Apr 3, 2025
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Yao Hui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EYEWEAR COMPRISING A SPEAKER ASSEMBLY
    • Publication number 20250113133
    • Publication date Apr 3, 2025
    • Essilor International
    • Dallas THARRETT
    • 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

    FULL-BANDWIDTH DUAL-SIDED SPEAKER DEVICE
    • Publication number 20250106547
    • Publication date Mar 27, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250106564
    • Publication date Mar 27, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhaoyu Yin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHODS AND APPARATUS TO IMPROVE BASS RESPONSE OF SPEAKERS IN PORTA...
    • Publication number 20250097634
    • Publication date Mar 20, 2025
    • Intel Corporation
    • Avinash Manu Aravindan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCER
    • Publication number 20250097629
    • Publication date Mar 20, 2025
    • FUJIFILM CORPORATION
    • Tetsu Miyoshi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SYSTEMS AND METHODS FOR CONTROLLING PLATE LOUDSPEAKERS USING MODAL...
    • Publication number 20250097642
    • Publication date Mar 20, 2025
    • University of Rochester
    • David Allan ANDERSON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOT MODULE
    • Publication number 20250097646
    • Publication date Mar 20, 2025
    • MICHIHIRO CO.,Ltd
    • Kyungsu KIM
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COMPRESSION DRIVER WIDE BAND MICROSPEAKER
    • Publication number 20250088790
    • Publication date Mar 13, 2025
    • Google LLC
    • Mark William Starnes
    • 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