发明授权
- 专利标题: Position indicator
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申请号: US18176990申请日: 2023-03-01
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公开(公告)号: US11940301B2公开(公告)日: 2024-03-26
- 发明人: Masamitsu Ito
- 申请人: Wacom Co., Ltd.
- 申请人地址: JP Saitama
- 专利权人: Wacom Co., Ltd.
- 当前专利权人: Wacom Co., Ltd.
- 当前专利权人地址: JP Saitama
- 代理机构: Seed IP Law Group LLP
- 优先权: JP 20148971 2020.09.04
- 主分类号: G01D5/20
- IPC分类号: G01D5/20 ; G01L1/14 ; G06F3/0354
摘要:
Provided is a position indicator of an electromagnetic induction type including a position indicator cartridge housed in a hollow portion of a housing, in which the position indicator cartridge includes a first resonant circuit including a first coil wound around a magnetic core arranged on one end of the position indicator cartridge in an axial direction of the position indicator cartridge and a first capacitor, a second coil that is independent of the position indicator cartridge provided outside of the position indicator cartridge, at a position where the second coil, in operation, is magnetically coupled to the first coil of the position indicator cartridge, and a switch turned on and off by an operation portion provided outside of the position indicator cartridge, the operation portion, in operation, receiving an operation of a user, and a closed circuit including the second coil is formed when the switch is turned on.
公开/授权文献
- US20230204391A1 POSITION INDICATOR 公开/授权日:2023-06-29
信息查询
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