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Diaphragm extensions, not necessarily integrally formed

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  • CPC
  • H04R2207/021
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HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R2207/00Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00

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H04R2207/021Diaphragm extensions, not necessarily integrally formed
Industries

Patents Grantslast 30 patents

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    Low profile loudspeaker device
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    • Issue date Jul 16, 2024
    • Mayht Holding B.V.
    • Mattias Jeffrey Scheek
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    Loudspeaker with a non-uniform suspension and an enforcement element
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    • Issue date Jun 4, 2024
    • Purifi APS
    • Bruno Putzeys
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Conductive film for a sound generation device and the sound generat...
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    • Issue date Apr 9, 2024
    • GoerTek Inc.
    • Xiaodong Guo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Underwater speaker
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    • SHENZHEN HAIKE INNOVATION ELECTRONICS CO., LTD.
    • Gangbin Wan
    • F21 - LIGHTING
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    Radially arcuated unistructural speaker cone with segmented dome
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    • Alexander Faraone
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    Non-planar polycrystalline diamond body
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    • Benjamin Wickham
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    Micrometric loudspeaker
    • Patent number 11,785,391
    • Issue date Oct 10, 2023
    • Commissariat a l'Energie Atomique et Aux Energies Alternatives
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    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Micro-filter and acoustic device
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    • Weifang Goertek Microelectronics Co., Ltd.
    • Yujing Lin
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    Sensitive diaphragm with rim structure and sensor
    • Patent number 11,363,384
    • Issue date Jun 14, 2022
    • WEIFANG GOERTEK MICROELECTRONICS CO., LTD.
    • Maoqiang Dang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Speaker unit and speaker device
    • Patent number 11,356,781
    • Issue date Jun 7, 2022
    • Shenzhen Xinqi Science and Technology Co., Ltd.
    • Yongchun Zhang
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  • Information Patent Grant

    Metamaterial loudspeaker diaphragm
    • Patent number 11,289,786
    • Issue date Mar 29, 2022
    • ACOUSTIC METAMATERIALS LLC
    • Gopal P. Mathur
    • H01 - BASIC ELECTRIC ELEMENTS
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    Loudspeaker structure
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    • Issue date Jul 6, 2021
    • Dario Cinanni
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    Variable shape surround device for a high excursion speaker drive
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    • Issue date Jun 29, 2021
    • Jacob Aaron Fuller
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    System and method for an optical MEMS transducer
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    • Infineon Technologies AG
    • Ulf Bartl
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
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    Vibration membrane
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    • AAC Technologies Pte. Ltd.
    • Meiwei Wu
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    Diaphragm assembly, transducer and method of manufacture
    • Patent number 10,638,230
    • Issue date Apr 28, 2020
    • Genelec Oy
    • Jussi Väisänen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Dome tweeter
    • Patent number 10,506,346
    • Issue date Dec 10, 2019
    • TYMPHANY ACOUSTIC TECHNOLOGY (HUIZHOU) CO., LTD.
    • Zhiwen Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Vibration diaphragm and manufacturing method thereof
    • Patent number 10,397,718
    • Issue date Aug 27, 2019
    • Goertek Inc.
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibration diaphragm
    • Patent number 10,362,390
    • Issue date Jul 23, 2019
    • AAC Technologies Pte. Ltd.
    • Xiaojiang Gu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    MEMS microphone
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    • Junkai Zhan
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    Method for manufacturing a speaker diaphragm
    • Patent number 10,327,075
    • Issue date Jun 18, 2019
    • Onkyo Corporation
    • Takeshi Fujitani
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    Vibration diaphragm
    • Patent number 10,291,987
    • Issue date May 14, 2019
    • AAC Technologies Pte. Ltd.
    • Xiaojiang Gu
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  • Information Patent Grant

    Vibration diaphragm
    • Patent number 10,291,989
    • Issue date May 14, 2019
    • AAC Technologies Pte. Ltd.
    • Xiaojiang Gu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibration diaphragm
    • Patent number 10,182,295
    • Issue date Jan 15, 2019
    • AAC Technologies Pte. Ltd.
    • Xiaojiang Gu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electroacoustic transducer
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    • Issue date Jan 15, 2019
    • Yamaha Corporation
    • Akihiko Nozaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    MEMS device and process
    • Patent number 10,123,129
    • Issue date Nov 6, 2018
    • Cirrus Logic, Inc.
    • Tsjerk Hoekstra
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Low-profile loudspeaker
    • Patent number 10,034,094
    • Issue date Jul 24, 2018
    • GP Acoustics (UK) Limited
    • George Perkins
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    System and method for an optical MEMS transducer
    • Patent number 9,973,860
    • Issue date May 15, 2018
    • Infineon Technologies AG
    • Ulf Bartl
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Compact electrodynamic loudspeaker having a convex diaphragm
    • Patent number 9,967,675
    • Issue date May 8, 2018
    • Devialet
    • Pierre-Emmanuel Calmel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 9,942,664
    • Issue date Apr 10, 2018
    • AAC Technologies Pte. Ltd.
    • Lubin Mao
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Patents Applicationslast 30 patents