Title:
SENSOR-EQUIPPED PIEZOELECTRIC COIL AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/007841
Kind Code:
A1
Abstract:
[Problem] To provide a technology relating to a piezoelectric coil or the like capable of displacement sensing. [Solution] A sensor-equipped piezoelectric coil according to the present technology comprises a piezoelectric coil and a sensor. The piezoelectric coil has a coiled core and one or more first piezoelectric members that are helical relative to the core, and is capable of expanding and contracting in an expanding/contracting direction. The sensor detects a displacement caused by the expanding and contracting of the piezoelectric coil.
Inventors:
NAGAI NOBUYUKI (JP)
KITADE SHUTA (JP)
UDAKA TORU (JP)
ENDO MIKI (JP)
ISHIDA YUICHI (JP)
KITADE SHUTA (JP)
UDAKA TORU (JP)
ENDO MIKI (JP)
ISHIDA YUICHI (JP)
Application Number:
PCT/JP2022/013956
Publication Date:
February 02, 2023
Filing Date:
March 24, 2022
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
H02N2/04
Foreign References:
| JPH06216424A | 1994-08-05 | |||
| JP2011072181A | 2011-04-07 | |||
| JP2007318960A | 2007-12-06 | |||
| JP2011072180A | 2011-04-07 | |||
| JP2003518752A | 2003-06-10 | |||
| JP2019110196A | 2019-07-04 | |||
| JP2008216074A | 2008-09-18 | |||
| JP2009142950A | 2009-07-02 |
Attorney, Agent or Firm:
MINAMI AOYAMA PATENT AND TRADEMARK ATTORNEYS (JP)
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