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"LI HUAIZI"
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"LI HUAIZI"
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Novel in-ear earphone
by
LI HUAIZI
Year of Publication
31.10.2023
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Novel headphone
by
LI HUAIZI
Year of Publication
22.08.2023
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3
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Novel head-mounted structure of earphone
by
LI HUAIZI
,
LIU ZISHENG
Year of Publication
06.02.2024
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Headphone convenient to disassemble and assemble
by
LI HUAIZI
,
LIU ZISHENG
Year of Publication
24.10.2023
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Stepless adjustment earplug
by
CHEN KEJI
,
WEI TIANZHEN
,
LI HUAIZI
Year of Publication
12.07.2024
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Wireless earphone capable of being continuously charged
by
LI HUAIZI
,
LIU ZISHENG
Year of Publication
27.09.2022
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Headphone capable of being freely assembled and disassembled
by
LI HUAIZI
,
LIU ZISHENG
Year of Publication
27.09.2022
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Measurement device for NOISE -CANCELLING HEADPHONES
by
LI HUAIZI
Year of Publication
16.11.2018
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Inside contains earphone of audio frequency branching unit
by
LI HUAIZI
Year of Publication
02.11.2018
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10
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Head-mounted Bluetooth earphone capable of rotatably switching internal and external modes
by
MO ZHUHAI
,
LI HUAIZI
Year of Publication
24.10.2023
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Headphone capable of adaptively switching ANC function
by
MO ZHUHAI
,
LI HUAIZI
Year of Publication
24.10.2023
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Noise reduction headphone and method for testing and adjusting noise reduction parameters of headphone
by
LI HUAIZI
Year of Publication
18.09.2018
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Test method for denoising earphones
by
LI HUAIZI
Year of Publication
21.08.2018
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Mechanical wind noise prevention structure of active noise reduction earphone and earphone
by
LI HUAIZI
,
LIU ZISHENG
Year of Publication
30.11.2021
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Cover-free USB protection socket structure
by
LI HUAIZI
,
LIU ZISHENG
Year of Publication
30.11.2021
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Audio compensation method and system and electronic equipment
by
YUAN DEZHONG
,
LI HUAIZI
,
LI JIANJUN
Year of Publication
12.08.2022
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Audio compensation method and system of audio compensation type earphone and electronic equipment
by
WU SHIJUN
,
YUAN DEZHONG
,
XIE JIANLAN
,
LI HUAIZI
,
LI JIANJUN
Year of Publication
10.06.2022
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NOISE -CANCELLING HEADPHONES with prevent function of uttering long and high -pitched sounds
by
LI HUAIZI
,
MI ZHIHONG
,
JIN SUFENG
,
LIU ZISHENG
Year of Publication
10.10.2017
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Earmuff improved generation NOISE -CANCELLING HEADPHONES
by
LI HUAIZI
,
MI ZHIHONG
,
JIN SUFENG
,
LIU ZISHENG
Year of Publication
26.09.2017
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electricity
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deaf-aid sets
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loudspeakers, microphones, gramophone pick-ups or likeacoustic electromechanical transducers
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