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Title:
ROTATION DETECTION DEVICE AND STYLUS PEN
Document Type and Number:
WIPO Patent Application WO/2023/047649
Kind Code:
A1
Abstract:
This rotation detection device comprises an annular operation member rotatable about a rotation center axis, a base member placed on the inner side of the operation member, and a switch that is placed on the base member such that the rotation direction of the operation member is set to a direction for pressing the switch, and is pressed by rotation of the operation member.

Inventors:
OHARA HIROSHI (JP)
Application Number:
PCT/JP2022/011414
Publication Date:
March 30, 2023
Filing Date:
March 14, 2022
Export Citation:
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Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
G05G1/015; G05G1/10; G05G5/03; G05G5/05; G06F3/03; H01H19/02
Domestic Patent References:
WO2019209213A22019-10-31
Foreign References:
JP2003108301A2003-04-11
JP2018532196A2018-11-01
JPH09274830A1997-10-21
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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