Title:
DRIVE ELEMENT
Document Type and Number:
WIPO Patent Application WO/2023/021777
Kind Code:
A1
Abstract:
A drive element (1) is provided with a fixed part (10), a diaphragm (20), and a drive part (31). The diaphragm (20) is connected to the fixed part (10). The diaphragm (20) has a movable part (24) that rotates about a rotation axis (R10). The drive part (31) is disposed on the diaphragm (20). The drive part (31) drives the diaphragm (20). The diaphragm (20) includes a first material having a positive linear expansion coefficient and a second material having a negative linear expansion coefficient.
Inventors:
OKAMOTO SHOJI
Application Number:
PCT/JP2022/014164
Publication Date:
February 23, 2023
Filing Date:
March 24, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B26/10; B81B3/00; G02B26/08
Domestic Patent References:
| WO2020045152A1 | 2020-03-05 |
Foreign References:
| JP2013003523A | 2013-01-07 | |||
| JP2014048571A | 2014-03-17 | |||
| US20090067034A1 | 2009-03-12 | |||
| US20150253196A1 | 2015-09-10 | |||
| JP2017523645A | 2017-08-17 | |||
| JP2010026069A | 2010-02-04 | |||
| JP2012212022A | 2012-11-01 | |||
| JP2016114715A | 2016-06-23 |
Attorney, Agent or Firm:
SHIBANO, Masanori et al. (JP)
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