Title:
ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/151996
Kind Code:
A1
Abstract:
The purpose of the present invention is to prevent a spiral spring from being wound up and fully extended in an electronic device mounted with a rotary power generation device using an electret. An electronic device has: at least one first rotating member supported rotatably and having the center of gravity shifted from the center of rotation; at least one second rotating member supported rotatably; an elastic member for elastically connecting said first and second rotating members to each other for the rotational movements thereof; and a fixing member provided facing said second rotating member. The electronic device is equipped with a power generation mechanism (6) in which an electret film is provided on the surface of either said second rotating member or said fixing member.
Inventors:
MATSUMOTO KENSAKU (JP)
IHARA TAKASHI (JP)
WATANABE MAKOTO (JP)
IZUMI AKIRA (JP)
IHARA TAKASHI (JP)
WATANABE MAKOTO (JP)
IZUMI AKIRA (JP)
Application Number:
PCT/JP2015/059376
Publication Date:
October 08, 2015
Filing Date:
March 26, 2015
Export Citation:
Assignee:
CITIZEN HOLDINGS CO LTD (JP)
CITIZEN WATCH CO LTD (JP)
CITIZEN WATCH CO LTD (JP)
International Classes:
H02N1/08; G04C10/00; G04G19/00
Domestic Patent References:
| WO2011052106A1 | 2011-05-05 |
Foreign References:
| JP2013135544A | 2013-07-08 | |||
| JP2013059149A | 2013-03-28 | |||
| JP2010041813A | 2010-02-18 | |||
| JP2013219897A | 2013-10-24 | |||
| US20130241346A1 | 2013-09-19 |
Other References:
See also references of EP 3128666A4
Attorney, Agent or Firm:
HARUKA PATENT & TRADEMARK ATTORNEYS (JP)
Patent business corporation far international patent firm (JP)
Patent business corporation far international patent firm (JP)
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