Original language | English |
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Patent number | US 9,723,411 B2 |
State | Published - 1 Aug 2017 |
PIEZOELECTRIC SPEAKER DRIVING SYSTEM AND METHOD THEREOF
Jin-Chern Chiou (Inventor)
Research output: Patent
Jin-Chern Chiou (Inventor)
Research output: Patent
Original language | English |
---|---|
Patent number | US 9,723,411 B2 |
State | Published - 1 Aug 2017 |