TREA

Voice coil arrangements comprising more than one voice coil unit on the same bobbin

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Industry

  • CPC
  • H04R2209/041
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R2209/00Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups

Current Industry

H04R2209/041Voice coil arrangements comprising more than one voice coil unit on the same bobbin
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DUAL FUNCTION TRANSDUCER
    • Publication number 20240007796
    • Publication date Jan 4, 2024
    • Apple Inc.
    • Rebecca J. Mikolajczyk
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    SPEAKER WITH IMPROVED FREQUENCY RESPONSE AND RELATED ELECTRONIC SOU...
    • Publication number 20230403512
    • Publication date Dec 14, 2023
    • Sound Solutions International (Zhenjiang) Co., Ltd.
    • Hong-Bi Dong Nguyen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    COIL WITH DIFFERENT WINDINGS
    • Publication number 20230353945
    • Publication date Nov 2, 2023
    • KNOWLES ELECTRONICS, LLC
    • Yahui Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VOICE COIL ACTUATOR AND LOUDSPEAKERS CONTAINING SAME
    • Publication number 20230239625
    • Publication date Jul 27, 2023
    • CLEAN ENERGY LABS, LLC
    • Joseph F. Pinkerton
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DOUBLE-SIDED SPEAKER
    • Publication number 20230224641
    • Publication date Jul 13, 2023
    • Shenzhen Luxshare Acoustics Technology Ltd.
    • ZhiHua TONG
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    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
  • Information Patent Application

    SPEAKER
    • Publication number 20230199399
    • Publication date Jun 22, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Hongjian Hu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCER AND LOUDSPEAKER, MICROPHONE AND ELECTRON...
    • Publication number 20230111935
    • Publication date Apr 13, 2023
    • LORENTZ AUDIO B.V.
    • Wouter DIEDEREN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER WITH A FIN-REINFORCED VOICE COIL STRUCTURE
    • Publication number 20230019916
    • Publication date Jan 19, 2023
    • HAINING XIMINI TECHNOLOGY CO., LTD.
    • Wei Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INTEGRATED TRANSDUCER
    • Publication number 20220394389
    • Publication date Dec 8, 2022
    • Norman Gerkinsmeyer
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VOICE COIL ASSEMBLY AND LOUDSPEAKER
    • Publication number 20220386033
    • Publication date Dec 1, 2022
    • Goertek Inc.
    • Yue ZHAO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-INPUT-DRIVING LOUDSPEAKER
    • Publication number 20220369039
    • Publication date Nov 17, 2022
    • SUZHOU RUSHENG ELECTRONICS CO., LTD.
    • Jianming ZHOU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER UNIT WITH DUAL DIAPHRAGMS AND DUAL COILS
    • Publication number 20220217471
    • Publication date Jul 7, 2022
    • COTRON CORPORATION
    • Bill Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VOICE COIL PLATE HAVING MULTI-PATTERNED COIL, AND FLAT PANEL SPEAKE...
    • Publication number 20210337313
    • Publication date Oct 28, 2021
    • Sung Jin LEEM
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Flat Plate Transducer
    • Publication number 20210195305
    • Publication date Jun 24, 2021
    • F. Bruce Thigpen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRO-ACOUSTIC TRANSDUCER DIAPHRAGM WITH INTEGRATED STRUCTURAL FE...
    • Publication number 20210120344
    • Publication date Apr 22, 2021
    • Apple Inc.
    • Christopher Wilk
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DUAL FUNCTION TRANSDUCER
    • Publication number 20210099804
    • Publication date Apr 1, 2021
    • Apple Inc.
    • Rebecca J. Mikolajczyk
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Flat Plate Transducer
    • Publication number 20210058688
    • Publication date Feb 25, 2021
    • F. Bruce Thigpen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER WITH DYNAMICALLY CONTROLLED PAIRS OF VOICE COIL SECTIONS
    • Publication number 20210058725
    • Publication date Feb 25, 2021
    • Tymphany Acoustic Technology Limited
    • Ruben Minoru Tuemp Millyard
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Speaker
    • Publication number 20210029464
    • Publication date Jan 28, 2021
    • AAC Technologies Pte. Ltd.
    • Kaitai Pan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICRO-SPEAKER
    • Publication number 20200267476
    • Publication date Aug 20, 2020
    • Luxshare-ICT Co., LTD.
    • Jiin-Tarng Huang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker
    • Publication number 20200213749
    • Publication date Jul 2, 2020
    • AAC Technologies Pte. Ltd.
    • Minmin Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20200213744
    • Publication date Jul 2, 2020
    • AAC Technologies Pte. Ltd.
    • Xiaojiang Gu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20200213745
    • Publication date Jul 2, 2020
    • AAC Technologies Pte. Ltd.
    • Chengming Cao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker
    • Publication number 20200213748
    • Publication date Jul 2, 2020
    • AAC Technologies Pte. Ltd.
    • Xiaodong Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker Integrated Electronic Device with Speaker Driven Passive Co...
    • Publication number 20200112792
    • Publication date Apr 9, 2020
    • NETGEAR, Inc.
    • John Kui Yin Ramones
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INVERTED MOTOR TRANSDUCER WITH FRONT SPIDER
    • Publication number 20200092654
    • Publication date Mar 19, 2020
    • HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    • Toni Otto LILIENTHAL
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20200053467
    • Publication date Feb 13, 2020
    • SOUND FUN CORPORATION
    • Kazunori SATO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIFFERENTIAL SPEAKER APPARATUS HAVING MOTION FEEDBACK FUNCTION
    • Publication number 20190141453
    • Publication date May 9, 2019
    • Joong Bae KIM
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SYSTEM AND METHOD FOR APPLYING A SOUND SIGNAL TO A MULTI COIL ELECT...
    • Publication number 20180279052
    • Publication date Sep 27, 2018
    • Sound Solutions International Co., Ltd.
    • Friedrich Reining
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE