| 摘要 |
A conductive object position detector (200) for indicating a desired user interface task includes a conductive touch sensor (210) and a processor (250). The conductive touch sensor (210) includes first electrodes (212, 320, 520) disposed along a first substantially closed loop, each first electrode (212, 320, 520) being connected to a first supply voltage, and one or more second electrodes (214, 340, 540) disposed proximate the one or more first electrodes (212, 320, 520) and connected to a second supply voltage different from the first supply voltage. The processor (250) is coupled to the conductive touch sensor (210) and is configured to determine position and relative motion information about the conductive object, where the relative motion information is representative of a difference between a first position and second position of the conductive object. At least one of the position and relative motion information indicates the desired user interface task. |
