发明名称 Piezoelectric user interface
摘要 The invention relates to an apparatus (1) comprising a keypad (2), and means for generating a tactile response to a user of the apparatus when a key in said keypad is pressed. In order accomplish a simple construction requiring a minimum of space, said means for generating a tactile response include at least one piezoelectric element (3) arranged to generate vibration which is forwarded to the user via a key when said key is pressed.
申请公布号 US2005054390(A1) 申请公布日期 2005.03.10
申请号 US20040496601 申请日期 2004.05.25
申请人 TUOVINEN JUHANI 发明人 TUOVINEN JUHANI
分类号 G06F3/02;B06B1/02;B06B1/06;B41J5/08;H01H13/84;H01L41/09;H03K17/96;(IPC1-7):H04M1/00;H04M9/00;H04B1/38 主分类号 G06F3/02
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