TREA

Construction, mounting, or centering of coil

Follow

Industry

  • CPC
  • H04R9/04
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 H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type

Current Industry

H04R9/04Construction, mounting, or centering of coil
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker and terminal
    • Patent number 12,368,998
    • Issue date Jul 22, 2025
    • Huawei Technologies Co., Ltd.
    • Peng Huo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    High amplitude micro loudspeaker with a double suspension frame
    • Patent number 12,368,999
    • Issue date Jul 22, 2025
    • BESTAR HOLDING CO., LTD.
    • Zhang Yonglei
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sounding device
    • Patent number 12,363,482
    • Issue date Jul 15, 2025
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Wei Song
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,363,483
    • Issue date Jul 15, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xiwen Du
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Phantom powered FET circuit for audio application
    • Patent number 12,356,137
    • Issue date Jul 8, 2025
    • Cloud Microphones, LLC.
    • Rodger Cloud
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker box
    • Patent number 12,356,169
    • Issue date Jul 8, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Shasha Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sound device
    • Patent number 12,356,128
    • Issue date Jul 8, 2025
    • AAC Technologies (Nanjing) Co., Ltd.
    • Lubin Mao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Low profile loudspeaker device
    • Patent number 12,356,142
    • Issue date Jul 8, 2025
    • Mayht Holding B.V.
    • Mattias Jeffrey Scheek
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sounding device
    • Patent number 12,356,171
    • Issue date Jul 8, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Long Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound device
    • Patent number 12,356,173
    • Issue date Jul 8, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Li Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Transducer assembly and associated signal processing
    • Patent number 12,356,170
    • Issue date Jul 8, 2025
    • Dolby Laboratories Licensing Corporation
    • Pengfeng Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Voice coil and speaker without coil former
    • Patent number 12,348,946
    • Issue date Jul 1, 2025
    • The United States of America, as represented by the Secretary of the Navy
    • John Miesner
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic transducer systems and methods of operating acoustic trans...
    • Patent number 12,342,144
    • Issue date Jun 24, 2025
    • Audera Acoustics Inc.
    • John B. French
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generating device module
    • Patent number 12,342,145
    • Issue date Jun 24, 2025
    • GoerTek Inc.
    • Qizhong Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,335,712
    • Issue date Jun 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Huhu Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 12,335,710
    • Issue date Jun 17, 2025
    • AAC Technologies (Nanjing) Co., Ltd.
    • Lubin Mao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generator
    • Patent number 12,335,709
    • Issue date Jun 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xuedong Lv
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,335,705
    • Issue date Jun 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Dijiang Tong
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Double-sided speaker device
    • Patent number 12,335,707
    • Issue date Jun 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xudong Yan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 12,335,711
    • Issue date Jun 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 12,335,713
    • Issue date Jun 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Long Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Display apparatus
    • Patent number 12,328,546
    • Issue date Jun 10, 2025
    • LG Display Co., Ltd.
    • Jusang Rhim
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Hybrid ring-radiator headphone driver
    • Patent number 12,328,545
    • Issue date Jun 10, 2025
    • Voyetra Turtle Beach, Inc.
    • David Zepp
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Audio speaker dust cap illumination
    • Patent number 12,323,752
    • Issue date Jun 3, 2025
    • Harman International Industries, Incorporated
    • Henrik Kirkeby Jepsen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generation device and electronic apparatus
    • Patent number 12,323,781
    • Issue date Jun 3, 2025
    • GoerTek Inc.
    • Chunfa Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Elliptical ring radiator diaphragm, tweeter and damping method
    • Patent number 12,323,759
    • Issue date Jun 3, 2025
    • POLK AUDIO, LLC
    • Sean O'Brien
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Balanced armature receiver having improved frequency response
    • Patent number 12,317,045
    • Issue date May 27, 2025
    • Knowles Electronics, LLC
    • Christopher Monti
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibration sounding device
    • Patent number 12,317,047
    • Issue date May 27, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker module
    • Patent number 12,317,050
    • Issue date May 27, 2025
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Haijuan Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electrical device
    • Patent number 12,317,031
    • Issue date May 27, 2025
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shohei Kawagoe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER MODULE AND ELECTRONIC DEVICE
    • Publication number 20250240576
    • Publication date Jul 24, 2025
    • Honor Device Co., Ltd.
    • Dengcheng SUN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIAPHRAGM AND SPEAKER UNIT
    • Publication number 20250240574
    • Publication date Jul 24, 2025
    • Onkyo Corporation
    • Takeshi FUJITANI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20250240573
    • Publication date Jul 24, 2025
    • ASK Industries S.p.A.
    • Claudio PANNI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Variable Impedance Speaker Apparatus
    • Publication number 20250234136
    • Publication date Jul 17, 2025
    • AFCO, Inc.
    • Brad Diedrich
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SYSTEM, APPARATUS AND METHODS FOR COUPLING A VOICE COIL ASSEMBLY AN...
    • Publication number 20250227419
    • Publication date Jul 10, 2025
    • Tectonic Audio Labs, Inc.
    • Timothy C. Whitwell
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20250220355
    • Publication date Jul 3, 2025
    • Tymphany HK Limited
    • Andrew Trippier Holt
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND DEVICE
    • Publication number 20250211910
    • Publication date Jun 26, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DISPLAY DEVICE
    • Publication number 20250211884
    • Publication date Jun 26, 2025
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masahiro YUKAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250203259
    • Publication date Jun 19, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yang Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Vibration Motor
    • Publication number 20250203277
    • Publication date Jun 19, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Lubin Mao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20250203292
    • Publication date Jun 19, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Chao Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker and Electronic Device Using Same
    • Publication number 20250203294
    • Publication date Jun 19, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Chao Zhang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PLANAR VOICE COIL, PLANAR VOICE COIL SUBSTRATE, AND MANUFACTURING M...
    • Publication number 20250203293
    • Publication date Jun 19, 2025
    • PHOENIX PIONEER TECHNOLOGY CO., LTD.
    • PAO-HUNG CHOU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    HYBRID SOUND RADIATION DEVICE FOR VIBRATING A HEAVY-WEIGHT RIGID PL...
    • Publication number 20250193608
    • Publication date Jun 12, 2025
    • SENSONIC DESIGN ZRT.
    • Dávid Vilmos JÁVORI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND PRODUCTION DEVICE AND ELECTRONIC APPARATUS
    • Publication number 20250184669
    • Publication date Jun 5, 2025
    • Goertek Inc.
    • Xiaodong CAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

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

    SOUND GENERATING MODULE AND ELECTRONIC DEVICE
    • Publication number 20250159412
    • Publication date May 15, 2025
    • Goertek Inc.
    • Xiaodong CAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKERS
    • Publication number 20250150760
    • Publication date May 8, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Chaojie CUI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSDUCER DEVICES, CORE MODULES, AND ELECTRONIC DEVICES
    • Publication number 20250150762
    • Publication date May 8, 2025
    • SHENZHEN SHOKZ CO., LTD.
    • Junjiang FU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250142252
    • Publication date May 1, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250142260
    • Publication date May 1, 2025
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • LiGuo Rao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKERS AND METHODS OF USE THEREOF
    • Publication number 20250142262
    • Publication date May 1, 2025
    • Brane Audio, LLC
    • Joseph F. PINKERTON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20250133330
    • Publication date Apr 24, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DIAPHRAGM, LOUDSPEAKER, AND DIAPHRAGM MANUFACTURING METHOD
    • Publication number 20250133345
    • Publication date Apr 24, 2025
    • Panasonic Automotive Systems Co., Ltd.
    • Tetsushi ITANO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20250133347
    • Publication date Apr 24, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    RIBBON SPEAKER
    • Publication number 20250133360
    • Publication date Apr 24, 2025
    • SABLE CORPORATION
    • HUI-CHENG CHEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER BOX AND STYLUS
    • Publication number 20250133349
    • Publication date Apr 24, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND-GENERATING DEVICE
    • Publication number 20250126412
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-FUNCTIONAL SOUND-GENERATING DEVICE
    • Publication number 20250126414
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND DEVICE
    • Publication number 20250126413
    • Publication date Apr 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE