ELECTRONIC PEN AND CORE BODY FOR ELECTRONIC PEN

Title:

ELECTRONIC PEN AND CORE BODY FOR ELECTRONIC PEN

Document Type and Number:

WIPO Patent Application WO/2024/004403

Kind Code:

A1

Abstract:

Provided is an electronic pen that can minimize fluffing even if a core body for the electronic pen is configured from axially bundled fibers such as felt.　The electronic pen comprises: a housing that is provided with an opening at a pen point side, being an axially one end side, and that has a hollow part thereinside; a writing pressure detection unit disposed in the hollow part of the housing; and a core body that has, at the axially one end side, a tip portion partially projectable to the outside from the opening at the pen point side of the housing and that has an axially other end attached, in a state of being able to transmit the writing pressure applied onto the tip portion, to the writing pressure detection unit disposed in the hollow part of the housing. In the tip portion of the core body, a contact portion which is formed from axially bundled fibers and which comes into contact with an input surface of a position detection sensor is in a state where the axially bundled fibers are exposed, and at least a section of the tip portion that faces the inner circumferential wall of the opening at the pen point side of the housing is covered with a material harder than the axially bundled fibers.

Inventors:

NINOMIYA KENICHI (JP)
OGATA MAMORU (JP)
MAEDA MASAYUKI (JP)
ARAI TAKAYUKI (JP)

Application Number:

PCT/JP2023/017913

Publication Date:

January 04, 2024

Filing Date:

May 12, 2023

Export Citation:

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Assignee:

WACOM CO LTD (JP)

International Classes:

G06F3/03; G06F3/046

Domestic Patent References:

WO2021157517A1

2021-08-12

Foreign References:

JPH0816300A	1996-01-19
JP2010020406A	2010-01-28
JP2021093040A	2021-06-17
JP2012108896A	2012-06-07
JP2015005106A	2015-01-08
JPH10161796A	1998-06-19