- 专利标题: Input device including a ratchet system with an electromagnetic actuator
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申请号: US16844897申请日: 2020-04-09
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公开(公告)号: US11625159B2公开(公告)日: 2023-04-11
- 发明人: Baptiste Merminod , Davin O'Mahony , Antoine Merminod
- 申请人: Logitech Europe S.A.
- 申请人地址: CH Lausanne
- 专利权人: Logitech Europe S.A.
- 当前专利权人: Logitech Europe S.A.
- 当前专利权人地址: CH Lausanne
- 代理机构: Kilpatrick Townsend & Stockton LLP
- 主分类号: G06F3/04847
- IPC分类号: G06F3/04847 ; G06F3/0362 ; G06F3/02 ; G06F3/038 ; G05G5/06 ; G05G1/10 ; G05G5/03 ; H03K17/96 ; G05G1/02 ; H01H3/00 ; G05G1/08 ; G06F3/041 ; H01H19/14
摘要:
In certain embodiments, an electronic input device includes a knob assembly defining an annular cavity and including a magnetically attractable armature. The electronic input device also includes a ratchet assembly disposed within the annular cavity and includes a ring magnet. The electronic input device includes a clutch mechanism that has a friction disc assembly, and an electromagnet configured to generate a magnetic field that shifts the friction disc assembly between a first position in which the friction disc assembly prevents rotation of the ratchet assembly and a second position in which the ratchet assembly is free to rotate with the knob assembly. The ring magnet of the ratchet assembly interacts with the magnetically attractable armature to generate a ratcheting feedback in response to rotation of the knob assembly when the friction disc assembly is in the first position.
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