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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

  • Information Patent Grant

    Line damper bellows dual opposing driver speaker
    • Patent number 12,267,662
    • Issue date Apr 1, 2025
    • Mayt Holding B.V.
    • Mattias Jeffrey Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Display apparatus
    • Patent number 12,267,657
    • Issue date Apr 1, 2025
    • LG Display Co., Ltd.
    • YeongRak Choi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker module and assembling method thereof
    • Patent number 12,267,661
    • Issue date Apr 1, 2025
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Haijuan Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic transducer, acoustic apparatus, and ultrasonic oscillator
    • Patent number 12,256,194
    • Issue date Mar 18, 2025
    • Ricoh Company, Ltd.
    • Wataru Yokota
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Diaphragm for sound producing device, sound producing device, and m...
    • Patent number 12,256,206
    • Issue date Mar 18, 2025
    • GOERTEK INC.
    • Fengguang Ling
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    MEMS capacitance microphone and manufacturing method thereof
    • Patent number 12,250,519
    • Issue date Mar 11, 2025
    • Qsensing Microelectronics Co., Ltd
    • Chien-Hsing Huang
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Piezoelectric transducer and flat panel speaker with improved frequ...
    • Patent number 12,245,000
    • Issue date Mar 4, 2025
    • FLORA INNOVATIONS INC.
    • Tung Thanh Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Top notch slit profile for MEMS device
    • Patent number 12,238,478
    • Issue date Feb 25, 2025
    • Taiwan Semiconductor Manufacturing Company, Ltd
    • Ting-Jung Chen
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Speaker box
    • Patent number 12,238,474
    • Issue date Feb 25, 2025
    • AAC Technologies Pte. Ltd.
    • Yao Hui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker unit
    • Patent number 12,238,501
    • Issue date Feb 25, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yang Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound-producing device
    • Patent number 12,225,347
    • Issue date Feb 11, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Zhen Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Actuator module with improved damage resistance
    • Patent number 12,219,338
    • Issue date Feb 4, 2025
    • Google LLC
    • Neil John Harris
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,219,339
    • Issue date Feb 4, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Hongjian Hu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Apparatus for outputting a sound
    • Patent number 12,219,335
    • Issue date Feb 4, 2025
    • LG Display Co., Ltd.
    • Jaehun Ye
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    MEMS structure
    • Patent number 12,207,052
    • Issue date Jan 21, 2025
    • FORTEMEDIA, INC.
    • Chun-Kai Mao
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Panel speaker
    • Patent number 12,207,045
    • Issue date Jan 21, 2025
    • DENSO TEN Limited
    • Shinichi Ikeda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker and earphone
    • Patent number 12,200,463
    • Issue date Jan 14, 2025
    • GOERTEK INC.
    • Xiaodong Guo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sot module
    • Patent number 12,200,443
    • Issue date Jan 14, 2025
    • MICHIHIRO CO., Ltd
    • Kyungsu Kim
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Active sounding device integrated into flat panel display
    • Patent number 12,200,460
    • Issue date Jan 14, 2025
    • Glass Acoustic Innovations Co., Ltd.
    • Yao-Sheng Chou
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound-producing apparatus, acoustic module provided with sound-prod...
    • Patent number 12,192,731
    • Issue date Jan 7, 2025
    • GOERTEK INC.
    • Lianshan Ge
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound device
    • Patent number 12,185,056
    • Issue date Dec 31, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yang Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coaxial speaker
    • Patent number 12,160,723
    • Issue date Dec 3, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Tao Shao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Double-sided loudspeaker
    • Patent number 12,160,725
    • Issue date Dec 3, 2024
    • FORTUNE GRAND TECHNOLOGY INC.
    • Ping-Yu Lee
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coaxial speaker
    • Patent number 12,160,721
    • Issue date Dec 3, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coaxial speaker
    • Patent number 12,155,992
    • Issue date Nov 26, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microphone assembly with disturbance compensation
    • Patent number 12,156,003
    • Issue date Nov 26, 2024
    • Knowles Electronics, LLC
    • Jakob Kenn Toft
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Coaxial speaker
    • Patent number 12,156,007
    • Issue date Nov 26, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    MEMS optical microphone
    • Patent number 12,155,997
    • Issue date Nov 26, 2024
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Taimoor Ali
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Linear motor magnet assembly and loudspeaker unit
    • Patent number 12,156,010
    • Issue date Nov 26, 2024
    • Mayht Holding B.V.
    • Timothy Ruben Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 12,149,905
    • Issue date Nov 19, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Junichi Ikeda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • 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
  • Information Patent Application

    Serrated Waveguide
    • Publication number 20250080901
    • Publication date Mar 6, 2025
    • Barefood Sound LLC
    • Thomas Barefoot
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER MODULE AND ASSEMBLING METHOD THEREOF
    • Publication number 20250080917
    • Publication date Mar 6, 2025
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Haijuan Yang
    • 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

    SPEAKER MODULE AND ASSEMBLING METHOD THEREOF
    • Publication number 20250080916
    • Publication date Mar 6, 2025
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.
    • Haijuan Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PARYLENE ELECTRET CONDENSER MICROPHONE BACKPLATE
    • Publication number 20250063310
    • Publication date Feb 20, 2025
    • Shure Acquisition Holdings, Inc.
    • Benjamin Jay Grigg
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    FOUNDRY-COMPATIBLE THROUGH SILICON VIA PROCESS FOR INTEGRATED MICRO...
    • Publication number 20250059023
    • Publication date Feb 20, 2025
    • Vibrant Microsystems Inc.
    • Joseph Doll
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    ELECTRONIC DEVICE
    • Publication number 20250063309
    • Publication date Feb 20, 2025
    • MERRY ELECTRONICS (SUZHOU) CO.,LTD.
    • LiGuo RAO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sounding Device
    • Publication number 20250056163
    • Publication date Feb 13, 2025
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Wei Song
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCER INCLUDING PIEZOELECTRIC ELEMENT AND METHOD OF PRODUCING...
    • Publication number 20250048032
    • Publication date Feb 6, 2025
    • ALPS ALPINE CO., LTD.
    • Ryo ITO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LAMINATED VEHICLE GLASS STRUCTURES INCLUDING THREE-DIMENSIONAL PRIN...
    • Publication number 20250031579
    • Publication date Jan 23, 2025
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Julien P. Mourou
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250030985
    • Publication date Jan 23, 2025
    • Shenzhen Luxshare Acoustics Technology Ltd.
    • ZhiHua TONG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250030986
    • Publication date Jan 23, 2025
    • Shenzhen Luxshare Acoustics Technology Ltd.
    • ZhiHua TONG
    • 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

    FOUNDRY-COMPATIBLE PROCESS FOR INTEGRATED MICRO-SPEAKER AND MICROPHONE
    • Publication number 20250030998
    • Publication date Jan 23, 2025
    • Vibrant Microsystems Inc.
    • Joseph Doll
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    LOW PROFILE LOUDSPEAKER DEVICE
    • Publication number 20250024194
    • Publication date Jan 16, 2025
    • Mayht Holding B.V.
    • Mattias Jeffrey Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DUAL-DIAPHRAGM SPEAKER AND ELECTRONIC DEVICE
    • Publication number 20250008269
    • Publication date Jan 2, 2025
    • HUAWEI TECHNOLOGIES CO., LTD.
    • Haohao ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER SYSTEM AND PASSIVE RADIATOR MODULE THEREOF
    • Publication number 20250008258
    • Publication date Jan 2, 2025
    • Eastech (Huizhou) Co., Ltd.
    • QIAO-LIN REN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE