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Microphone
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Patent number 11,057,693
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Issue date Jul 6, 2021
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AAC Acoustic Technologies (Shenzhen) Co., Ltd.
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Peng Zeng
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B81 - MICRO-STRUCTURAL TECHNOLOGY
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MEMS microphone device
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Patent number 9,699,538
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Issue date Jul 4, 2017
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AAC Acoustic Technologies (Shenzhen) Co. Ltd.
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Guojun Liu
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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MEMS microphone device
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Patent number 9,510,109
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Issue date Nov 29, 2016
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AAC Acoustic Technologies (Shenzhen) Co. Ltd.
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Guojun Liu
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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