Aspects regarding the stray flux internal or external to the magnetic circuit

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    • SENSONIC DESIGN ZRT.
    • Dávid Vilmos JÁVORI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    LOUDSPEAKERS AND ELECTRONIC DEVICES

    • Publication number 20250175726
    • Publication date May 29, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    LOUDSPEAKERS AND ELECTRONIC DEVICES

    • Publication number 20250159413
    • Publication date May 15, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Lei ZHANG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Double-sided Sounding Device

    • Publication number 20240348980
    • Publication date Oct 17, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Long Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    MAGNETIC RETENTION SYSTEM

    • Publication number 20240323623
    • Publication date Sep 26, 2024
    • COCHLEAR LIMITED
    • Johan GUSTAFSSON
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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    Audio Transducer With Forced Ventilation of Motor and Method

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    • Publication date Jul 25, 2024
    • Polk Audio, LLC
    • Sean O'Brien
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    ELECTRODYNAMIC VIBRATION EXCITER

    • Publication number 20230372971
    • Publication date Nov 23, 2023
    • Continental Engineering Services GmbH
    • Philipp Neubauer
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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    Audio Transducer With Forced Ventilation of Motor and Method

    • Publication number 20230199394
    • Publication date Jun 22, 2023
    • Polk Audio, LLC
    • Sean O'Brien
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    BONE CONDUCTION MAGNETIC RETENTION SYSTEM

    • Publication number 20230156416
    • Publication date May 18, 2023
    • Johan GUSTAFSSON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    LOUDSPEAKER AND ELECTRONIC APPARATUS

    • Publication number 20230128831
    • Publication date Apr 27, 2023
    • Beijing Xiaomi Mobile Software Co., Ltd.
    • Xiulu JIN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    IMPROVEMENTS IN AND RELATING TO LOUDSPEAKER MAGNET ASSEMBLIES

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    • Publication date Apr 20, 2023
    • B&W GROUP LTD
    • Martial Andre Robert Rousseau
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    AUDIO DEVICE TRANSDUCER AND ASSOCIATED SYSTEMS AND METHODS

    • Publication number 20230007376
    • Publication date Jan 5, 2023
    • Sonos, Inc.
    • Timothy Sheen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    SOUND-PRODUCING APPARATUS, ACOUSTIC MODULE PROVIDED WITH SOUND-PROD...

    • Publication number 20220345824
    • Publication date Oct 27, 2022
    • Goertek Inc.
    • Lianshan Ge
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    SPEAKER

    • Publication number 20220312123
    • Publication date Sep 29, 2022
    • ALPS ALPINE CO., LTD.
    • Hiroki Toita
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    BONE CONDUCTION MAGNETIC RETENTION SYSTEM

    • Publication number 20220021991
    • Publication date Jan 20, 2022
    • Johan GUSTAFSSON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    BONE CONDUCTION DEVICE INCLUDING A BALANCED ELECTROMAGNETIC ACTUATO...

    • Publication number 20210306776
    • Publication date Sep 30, 2021
    • Kristian Asnes
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    LOUDSPEAKER ASSEMBLY, SOUND GENERATING APPARATUS AND ELECTRONIC DEVICE

    • Publication number 20200404426
    • Publication date Dec 24, 2020
    • HYTERA COMMUNICATIONS CORPORATION LIMITED
    • WEIQIANG LEI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    SOUND GENERATOR AND ELECTRONIC PRODUCT

    • Publication number 20200404425
    • Publication date Dec 24, 2020
    • Goertek Inc.
    • Guodong Zhao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    LOUDSPEAKER

    • Publication number 20200275212
    • Publication date Aug 27, 2020
    • Paradigm Electronics Inc.
    • Oleg BOGDANOV
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    HYBRID SPEAKER

    • Publication number 20190268688
    • Publication date Aug 29, 2019
    • EARBRIDGE INC.
    • Okjeong YOO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    MAGNET ASSEMBLY FOR A LOUDSPEAKER AND LOUDSPEAKER WITH SUCH A MAGNE...

    • Publication number 20190246210
    • Publication date Aug 8, 2019
    • Harman Becker Automotive Systems GmbH
    • Guenther Weber
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    BONE CONDUCTION DEVICE INCLUDING A BALANCED ELECTROMAGNETIC ACTUATO...

    • Publication number 20190215625
    • Publication date Jul 11, 2019
    • Kristian Asnes
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    ELECTRIC MOTOR

    • Publication number 20190182598
    • Publication date Jun 13, 2019
    • Curtis E Graber
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sound Transducer

    • Publication number 20190141454
    • Publication date May 9, 2019
    • Nokia Technologies Oy
    • Shengrong SHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    MAGNETIC FIELD SHIELDING APPARATUS

    • Publication number 20180235112
    • Publication date Aug 16, 2018
    • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT INSTITUTE
    • Byung Chan KIM
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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    ELECTRIC MOTOR

    • Publication number 20180070182
    • Publication date Mar 8, 2018
    • Curtis E Graber
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    LOUDSPEAKER STRUCTURE

    • Publication number 20180063643
    • Publication date Mar 1, 2018
    • Premium Loudspeakers (Hui Zhou) Co., Ltd.
    • GUO CHANGLIN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Loudspeaker

    • Publication number 20180007470
    • Publication date Jan 4, 2018
    • AAC Technologies Pte. Ltd.
    • Huanbin Liao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    ELECTROMAGNETIC TRANSDUCER WITH SPECIFIC INTERNAL GEOMETRY

    • Publication number 20170325035
    • Publication date Nov 9, 2017
    • Marcus ANDERSSON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Sound Transducer

    • Publication number 20170134864
    • Publication date May 11, 2017
    • Nokia Technologies Oy
    • Shengrong SHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE