发明授权
US07978173B2 Pointing device including a moveable puck with mechanical detents 失效
指向装置包括具有机械棘爪的可移动圆盘

Pointing device including a moveable puck with mechanical detents
摘要:
A pointing device includes a moveable puck that is capable of moving over a surface in a puck field of motion. The surface includes a detent feature defined within the puck field of motion for engaging with a detent feature of the moveable puck.
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