发明申请
US20120154182A1 KEYS WITH TOUCH DETECTION FUNCTION AND ELECTRONIC APPARATUS WITH THE KEYS
审中-公开
具有触摸检测功能和电子设备与KEYS
- 专利标题: KEYS WITH TOUCH DETECTION FUNCTION AND ELECTRONIC APPARATUS WITH THE KEYS
- 专利标题(中): 具有触摸检测功能和电子设备与KEYS
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申请号: US13313048申请日: 2011-12-07
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公开(公告)号: US20120154182A1公开(公告)日: 2012-06-21
- 发明人: Yinong LIU , XueQiang LI
- 申请人: Yinong LIU , XueQiang LI
- 申请人地址: SE Lund
- 专利权人: SONY ERICSSON MOBILE COMMUNICATIONS AB
- 当前专利权人: SONY ERICSSON MOBILE COMMUNICATIONS AB
- 当前专利权人地址: SE Lund
- 优先权: CN201010612186.8 20101221
- 主分类号: H03M11/00
- IPC分类号: H03M11/00
摘要:
A key for electronic apparatus, e.g., a mobile phone, and electronic apparatus including such keys, the key combines touch detection function with mechanical key pressing function. The key includes a dome, contact points member, e.g., a gold key finger, on a circuit board of the electronic apparatus and below the dome; a plurality of SMT pads on the circuit board about the contact points member, the dome connected to at least two of the SMT pads, and the contact points member connected to one of the SMT pads, and wherein the dome is connected to a capacitive touch detection scan circuit and the capacitive touch detection scan circuit is configured to detect a capacitance change caused by a finger's touch on the key, so as to form a signal indicating touch position and/or movement of the finger by combining a position of the key.
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