TREA

Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

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  • H04R1/24
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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 H04R1/00Details of transducers, loudspeakers or microphones

Current Industry

H04R1/24Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ACOUSTIC OUTPUT APPARATUS
    • Publication number 20250039591
    • Publication date Jan 30, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICES
    • Publication number 20250039597
    • Publication date Jan 30, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Guangyuan ZHU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    ACOUSTIC OUTPUT APPARATUS AND METHODS THEREOF
    • Publication number 20250030969
    • Publication date Jan 23, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
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    EARPHONE AND TERMINAL DEVICE
    • Publication number 20250030974
    • Publication date Jan 23, 2025
    • Huawei Technologies Co., Ltd
    • Tienan Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    SPEAKER MEGAPHONE
    • Publication number 20250030997
    • Publication date Jan 23, 2025
    • Marc Linton
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD AND SYSTEM FOR PROVIDING AUDIO OUTPUT WITH THREE-DIMENSIONAL...
    • Publication number 20250024192
    • Publication date Jan 16, 2025
    • Sin Man Samuel Tsun
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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    TUNABLE RESONANCE GENERATOR
    • Publication number 20250024193
    • Publication date Jan 16, 2025
    • Delton Hyatt
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    NOISE REDUCING TWS EARPHONE WITH MULTI-SPEAKERS
    • Publication number 20250016493
    • Publication date Jan 9, 2025
    • Dongguan Roker Electronics Co., Limited
    • KEQIANG LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HEADSET EARPHONE FOR REDUCING NOISE AND WITH COAXIAL PLANAR SPEAKER
    • Publication number 20250016494
    • Publication date Jan 9, 2025
    • Dongguan Roker Electronics Co., Limited
    • KEQIANG LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT APPARATUS
    • Publication number 20250016487
    • Publication date Jan 9, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    AUDIO PROCESSING DEVICE AND METHOD
    • Publication number 20250008268
    • Publication date Jan 2, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Qingyuan TIAN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRONIC DEVICE HAVING MULTIPLE SPEAKERS CONTROLLED BY A SINGLE F...
    • Publication number 20240430618
    • Publication date Dec 26, 2024
    • RICHTEK TECHNOLOGY CORP.
    • Tsung-Han Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPEN EARPHONE
    • Publication number 20240422466
    • Publication date Dec 19, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICES
    • Publication number 20240422475
    • Publication date Dec 19, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Liwei WANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER ASSEMBLY FOR HEADREST
    • Publication number 20240414474
    • Publication date Dec 12, 2024
    • PSS BELGIUM N.V.
    • David Corynen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT APPARATUS
    • Publication number 20240406611
    • Publication date Dec 5, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    HIGH FIDELITY BONE CONDUCTION SPEAKERS AND HEADPHONES
    • Publication number 20240406614
    • Publication date Dec 5, 2024
    • Finnovate Group, LLC
    • Kari Kristian Rauhala
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICE
    • Publication number 20240388831
    • Publication date Nov 21, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    IMPROVEMENTS RELATING TO LOUDSPEAKER SYSTEMS
    • Publication number 20240381016
    • Publication date Nov 14, 2024
    • B & W GROUP LTD
    • Ali Salehzadeh Nobari
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT APPARATUS
    • Publication number 20240365055
    • Publication date Oct 31, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TWS INCLUDING PLANAR SPEAKER INCORPORATING CIRCUIT-EMBEDDED VIBRATO...
    • Publication number 20240365046
    • Publication date Oct 31, 2024
    • BUJEON CO., LTD.
    • Minkoo PARK
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Hybrid Receiver Having a Bracket for Installing a Driver
    • Publication number 20240348970
    • Publication date Oct 17, 2024
    • EM-TECH. Co., Ltd.
    • Young Seok Noh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Earphone
    • Publication number 20240348967
    • Publication date Oct 17, 2024
    • Honor Device Co., Ltd.
    • Chuanguo Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER UNIT FOR EARPHONE
    • Publication number 20240348983
    • Publication date Oct 17, 2024
    • ALMUS Corp.
    • Jong Won LEE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER BOX STRUCTURE AND ELECTRONIC DEVICE
    • Publication number 20240348975
    • Publication date Oct 17, 2024
    • GUANGZHOU SHIYUAN ELECTRONIC TECHNOLOGY COMPANY LIMITED
    • Weiyong YUE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COAXIAL SPEAKER TWEETER TEMPERATURE PROTECTION METHOD AND SYSTEM, A...
    • Publication number 20240340582
    • Publication date Oct 10, 2024
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Yuheng Jiang
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    COAXIAL SPEAKER PROTECTION METHOD, COAXIAL SPEAKER PROTECTION SYSTE...
    • Publication number 20240340590
    • Publication date Oct 10, 2024
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Yuheng Jiang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COAXIAL SPEAKER
    • Publication number 20240340572
    • Publication date Oct 10, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Tao Shao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AUDIO OUTPUT DEVICE
    • Publication number 20240340573
    • Publication date Oct 10, 2024
    • ALPS ALPINE CO., LTD.
    • Ryo ITO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    COAXIAL SPEAKER PROTECTION METHOD, COAXIAL SPEAKER PROTECTION SYSTE...
    • Publication number 20240340579
    • Publication date Oct 10, 2024
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Yuheng Jiang
    • G06 - COMPUTING CALCULATING COUNTING