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Patent Application
VIBRATION MEMBRANE ASSEMBLY FOR SPEAKER, SPEAKER AND METHOD FOR PRO...
Publication number
20160205487
Publication date
Jul 14, 2016
Knowles IPC (M) Snd. Bhd.
Gary Hsieh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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APPARATUS WITH A SPEAKER USED AS SECOND MICROPHONE
Publication number
20150139428
Publication date
May 21, 2015
Knowles IPC (M) Snd. Bhd.
Friedrich Reining
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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