TREA

incorporating only one transducer

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Industry

  • CPC
  • H04R1/021
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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

H04R1/021incorporating only one transducer
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

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    OPEN EARPHONES
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    • Wesley SIU
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    MICROPHONE FRONT CHAMBER STRUCTURE AND VOICE RECEPTION DEVICE
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    • Merry Electronics(Shenzhen) Co., Ltd.
    • Kuei-Yuan Lin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    SPEAKER AND SHOWER
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    • VIVO MOBILE COMMUNICATION CO., LTD.
    • Xin LUO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    DISPLAY APPARATUS
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    • LG Display Co., Ltd.
    • Kwangho KIM
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    VIBRATION SENSOR
    • Publication number 20230362525
    • Publication date Nov 9, 2023
    • SHENZHEN SHOKZ CO., LTD.
    • Yongshuai YUAN
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    Waterproof Microspeaker
    • Publication number 20230353944
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    • EM-TECH. Co., Ltd.
    • Gang Tae Kim
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    MULTI-FUNCTIONAL SOUND PRODUCING APPARATUS
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    • AAC Microtech (Changzhou) Co., Ltd.
    • Xingzhi Huang
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    MAGNETICALLY ATTRACTABLE BLUETOOTH SPEAKER
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    • Publication date Aug 31, 2023
    • XIAOMIN ZHU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    ELECTRONIC APPARATUS
    • Publication number 20230209766
    • Publication date Jun 29, 2023
    • LENOVO (SINGAPORE) PTE. LTD.
    • Kosei Kimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    SOUND PRODUCTION USING SPEAKER ENCLOSURE WITH REDUCED INTERNAL PRES...
    • Publication number 20230171536
    • Publication date Jun 1, 2023
    • James J. Fallon
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    LOUDSPEAKER AND ASSEMBLY METHOD THEREFOR, VIBRATION MECHANISM, AND...
    • Publication number 20230156407
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    • Tang Band Industries Co., Ltd.
    • Hsin Min HUANG
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    SPEAKER BOX
    • Publication number 20230156383
    • Publication date May 18, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    LOUDSPEAKER MODULE
    • Publication number 20230116758
    • Publication date Apr 13, 2023
    • Goertek Inc.
    • Deyue WU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    TRANSPARENT SPEAKER FOR DISPLAYS, WINDOWS, AND LENSES
    • Publication number 20230096205
    • Publication date Mar 30, 2023
    • Meta Platforms Technologies, LLC
    • Maik Andre Scheller
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    PROTECTIVE MICROPHONE ENCLOSURE FOR AUTOMOTIVE EXTERIOR
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    • MAGNA INTERNATIONAL INC.
    • Julian KNUTZEN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    SPEAKER
    • Publication number 20230077560
    • Publication date Mar 16, 2023
    • MERRY ELECTRONICS (SUZHOU) CO., LTD.
    • PengJiang WEI
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    Microspeaker Enclosure Including Block Formed of Porous Particles
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    • Publication date Jan 26, 2023
    • Yong Hee Oh
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    SPEAKER BOX
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    • Publication date Jan 5, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Huhu Yang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    MAGNETICALLY ATTRACTABLE BLUETOOTH SPEAKER
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    • Shenzhen Hali-Power Industrial Co., Ltd.
    • XIAOMIN ZHU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    Covering structure, sound producing package and related manufacturi...
    • Publication number 20220386000
    • Publication date Dec 1, 2022
    • XMEMS TAIWAN CO., LTD.
    • Hai-Hung Wen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    TRANSPARENT SPEAKER FOR DISPLAYS, WINDOWS, AND LENSES
    • Publication number 20220353592
    • Publication date Nov 3, 2022
    • Meta Platforms Technologies, LLC
    • Maik Andre Scheller
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    SPEAKER BOX
    • Publication number 20220345810
    • Publication date Oct 27, 2022
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
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    ACOUSTIC DEVICE AND ELECTRONIC APPARATUS
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    Speaker-Integration System for an Electronic Device, and Associated...
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    • Google LLC
    • Cindy Ngoc-Tran Au
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    VEHICLE-MOUNTED WOOFER DEVICE
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    • Publication date Jul 14, 2022
    • FOSTER ELECTRIC COMPANY, LIMITED
    • Takayuki Tabata
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