发明名称 Capacitive touch keyboard
摘要 A touch sensor is provided which detects manual contact by a user to actuate a controlled device. The touch sensor includes a substrate, an RF signal transmitter including a plurality of first conductors, and an RF signal receiver including a plurality of second conductors. The first and second conductors are located in spaced, interdigitated alignment with one another on the substrate, to form a key having a geometry which affords substantial coverage thereof by a human appendage. The RF signal receiver includes an RF signal amplifier electrically coupled to the second conductors. A processor is electrically coupled to the RF signal receiver to detect variations in signal strength corresponding to coverage of the key by a human appendage to selectively actuate the controlled device.
申请公布号 US6657616(B2) 申请公布日期 2003.12.02
申请号 US20010809974 申请日期 2001.03.16
申请人 INVENSYS APPLIANCE CONTROLS COMPANY 发明人 SIMS MICHAEL J.
分类号 G06F3/02;G06F3/023;H03K17/96;(IPC1-7):B06K11/06 主分类号 G06F3/02
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