公开(公告)号：US20160064639A1

公开(公告)日：2016-03-03

申请号：US14727933

申请日：2015-06-02

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Chan Woo PARK ,  Peter LIM ,  Joo Yul KO ,  Ho Kwon YOON

IPC: H01L41/04 ,  H01L41/083

CPC classification number: H01L41/042 ,  H01L41/0474 ,  H01L41/083

Abstract: A piezoelectric driving apparatus according to an exemplary embodiment includes: a waveform synthesizer outputting a digital value; a digital-to-analog converter outputting an analog value corresponding to the digital value; and an output unit applying an offset voltage to the analog value to generate and output an asymmetrical driving signal.

Abstract translation: 根据示例性实施例的压电驱动装置包括：输出数字值的波形合成器; 输出对应于数字值的模拟值的数/模转换器; 以及输出单元，将偏移电压施加到所述模拟值以产生和输出不对称驱动信号。