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  • CPC
  • H04R2499/01
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HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups

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H04R2499/01General technical reviews, overviews, tutorials
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic device with sealing structure
    • Patent number 11,924,595
    • Issue date Mar 5, 2024
    • Samsung Electronics Co., Ltd.
    • Wontae Jeong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Speaker and electronic device
    • Patent number 11,871,200
    • Issue date Jan 9, 2024
    • VIVO MOBILE COMMUNICATION CO., LTD.
    • Xu Chen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic device with sealing structure
    • Patent number 11,849,270
    • Issue date Dec 19, 2023
    • Samsung Electronics Co., Ltd.
    • Wontae Jeong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Audio demonstration kit
    • Patent number 10,134,295
    • Issue date Nov 20, 2018
    • Bose Corporation
    • Lee Zamir
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents