发明名称 OSCILLATOR AND PORTABLE DEVICE
摘要 An oscillation device includes a first oscillator (120), a second oscillator (112), and a control unit (50). The first oscillator (120) includes a first piezoelectric vibrator, and the second oscillator (112) includes a second piezoelectric vibrator. The control unit (50) inputs an audio signal of an audible sound to the first piezoelectric vibrator included in the first oscillator (120), and inputs a modulation signal of a parametric speaker to the second piezoelectric vibrator included in the second oscillator (112).
申请公布号 EP2637418(A1) 申请公布日期 2013.09.11
申请号 EP20110837696 申请日期 2011.09.09
申请人 NEC CORPORATION 发明人 ONISHI, YASUHARU;KURODA, JUN;KOMODA, MOTOYOSHI;KISHINAMI, YUICHIRO;SATOU, SHIGEO;MURATA, YUKIO;UCHIKAWA, TATSUYA
分类号 H04R3/00;G01S7/521;H04R1/02;H04R7/04;H04R17/00 主分类号 H04R3/00
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