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

    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
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICE AND COMPONENTS THEREOF
    • Publication number 20240323579
    • Publication date Sep 26, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    EARPHONES
    • Publication number 20240314482
    • Publication date Sep 19, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EARPHONES
    • Publication number 20240298103
    • Publication date Sep 5, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DUAL-CONE SMALL SPEAKER
    • Publication number 20240298106
    • Publication date Sep 5, 2024
    • Suzhou Sonavox Electronics Co., Ltd
    • Jianming ZHOU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE AND HEADPHONE
    • Publication number 20240292145
    • Publication date Aug 29, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    KERNEL OF SPEAKER MODULE, SPEAKER MODULE, AND EARPHONE
    • Publication number 20240284111
    • Publication date Aug 22, 2024
    • Beijing Honor Device Co., Ltd.
    • Yunhai LI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Acoustic Device
    • Publication number 20240284095
    • Publication date Aug 22, 2024
    • ALPS ALPINE CO., LTD.
    • Ryo Ito
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Microphone module
    • Publication number 20240284093
    • Publication date Aug 22, 2024
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Jinyu Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20240284092
    • Publication date Aug 22, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Ronglin Linghu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Bollard Speaker with Inground Subwoofer
    • Publication number 20240267671
    • Publication date Aug 8, 2024
    • Origin Acoustics, LLC
    • Joseph Whitaker
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ACOUSTIC OUTPUT DEVICE
    • Publication number 20240251202
    • Publication date Jul 25, 2024
    • SHENZHEN SHOKZ CO., LTD.
    • Junjiang FU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD AND ARRANGEMENT FOR PRODUCING SOUND IN AN ELECTRONIC DEVICE
    • Publication number 20240244366
    • Publication date Jul 18, 2024
    • PS AUDIO DESIGN OY
    • Petri SORONEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE