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公开(公告)号:US09030214B2
公开(公告)日:2015-05-12
申请号:US13549515
申请日:2012-07-15
申请人: Wangsheng Mei , Paulo C. Knirsch
发明人: Wangsheng Mei , Paulo C. Knirsch
CPC分类号: G06F3/044
摘要: A sensor for sensing proximity or touch of an object includes a sensing region, an oscillating signal generator for generating an oscillating signal having an oscillation period, a gating signal generator for generating a gating signal having a gating duration, a controller for controlling the oscillation period or the gating duration and a processor for determining a number N of oscillation periods over the gating duration. The number N is indicative of the object's contact with, or proximity to, the sensing region. The sensor is calibrated by determining an optimal value for the oscillation period or gating duration such that an optimal number N over the gating duration is expected.
摘要翻译: 用于感测对象的接近或触摸的传感器包括感测区域,用于产生具有振荡周期的振荡信号的振荡信号发生器,用于产生具有选通持续时间的选通信号的选通信号发生器,用于控制振荡周期的控制器 或门控持续时间以及用于在选通持续时间内确定振荡周期数N的处理器。 数字N表示物体与感测区域的接触或接近感测区域。 通过确定振荡周期或门控持续时间的最佳值来校准传感器,使得预期在门控持续时间上的最佳数量N。