Invention Application
US20160064639A1 PIEZOELECTRIC DRIVING APPARATUS AND PIEZOELECTRIC DRIVING METHOD
审中-公开
压电驱动装置和压电驱动方法
- Patent Title: PIEZOELECTRIC DRIVING APPARATUS AND PIEZOELECTRIC DRIVING METHOD
- Patent Title (中): 压电驱动装置和压电驱动方法
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Application No.: US14727933Application Date: 2015-06-02
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Publication No.: US20160064639A1Publication Date: 2016-03-03
- Inventor: Chan Woo PARK , Peter LIM , Joo Yul KO , Ho Kwon YOON
- Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
- Applicant Address: KR Suwon-Si
- Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
- Current Assignee Address: KR Suwon-Si
- Priority: KR10-2014-0114284 20140829
- Main IPC: H01L41/04
- IPC: H01L41/04 ; 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.
Information query
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