公开(公告)号：US20230004239A1

公开(公告)日：2023-01-05

申请号：US17732267

申请日：2022-04-28

Applicant: Wacom Co., Ltd.

Inventor： Masayuki MAEDA ,  Tomohiro KAMAI

IPC: G06F3/0354

Abstract: An electronic pen includes a central rod including an axis portion and a pen tip portion, the axis portion having a rod-shaped body and one or more grooves defined along a circumference of a side surface on one end side of the rod-shaped body, and the pen tip portion including a hole into which the one end side of the axis portion is plugged and including one or more protrusions defined on an inner wall surface of the hole, wherein the one or more protrusions are to be fitted to the one or more grooves of the axis portion. The electronic pen includes a casing that is a cylindrical body, that includes an opening at one end, and that includes an installation portion for the central rod inside. When a rear end side of the central rod is inserted into the opening of the casing and installed on the installation portion, at least one of the one or more grooves of the axis portion of the central rod are positioned outside the opening of the casing.

公开(公告)号：US20250138652A1

公开(公告)日：2025-05-01

申请号：US19003993

申请日：2024-12-27

Applicant: Wacom Co., Ltd.

Inventor： Kenichi NINOMIYA ,  Mamoru OGATA ,  Masayuki MAEDA ,  Takayuki ARAI

IPC: G06F3/0354 ,  B43K1/12

Abstract: Provided is an electronic pen including a housing having an opening portion on a pen tip side of the housing on a first end in an axial direction, the opening portion having a pillar-shaped space with a predetermined length in the axial direction as a center line direction of the space, the housing including, inside, a hollow portion communicating with the pillar-shaped space of the opening portion, a pen pressure detector arranged in the hollow portion, and a core body including a tip portion on the first end in the axial direction, part of the tip portion protruding outside of the housing from an opening on a pen tip side of the pillar-shaped space of the opening portion of the housing, the core body being installed such that a second end in the axial direction, in operation, transmits, to the pen pressure detector, pen pressure applied to the tip portion.