Title:
APPARATUS AND METHOD FOR DRIVING PIEZOELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2019/103411
Kind Code:
A1
Abstract:
The present invention presents an apparatus and a method for driving a piezoelectric actuator, the apparatus comprising: a signal generation unit for generating a first driving signal for driving a piezoelectric actuator; a level detection unit for detecting a level of the piezoelectric actuator; a signal control unit for generating a control signal for controlling the first driving signal according to a detected level; and a signal combination unit for controlling the first driving signal according to the control signal so as to output a second driving signal.
Inventors:
PARK SUNG CHOL (KR)
LEE SEUNG HWAN (KR)
LEE YU HYEONG (KR)
PARK WAN (KR)
LEE SEUNG HWAN (KR)
LEE YU HYEONG (KR)
PARK WAN (KR)
Application Number:
PCT/KR2018/014153
Publication Date:
May 31, 2019
Filing Date:
November 16, 2018
Export Citation:
Assignee:
MODA INNOCHIPS CO LTD (KR)
International Classes:
H02N2/18
Foreign References:
KR100300245B1 | 2001-09-06 | |||
KR20160088526A | 2016-07-26 | |||
KR20170019754A | 2017-02-22 | |||
JP2013070134A | 2013-04-18 | |||
KR20150077935A | 2015-07-08 |
Attorney, Agent or Firm:
NAM, Seung-Hee (KR)
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