发明名称 KEYPAD HAVING KEYS WITH ANGLED ENGAGEMENT SURFACES, AND ASSOCIATED HANDHELD ELECTRONIC DEVICE
摘要 An improved keypad for a handheld electronic device has keys wherein the engagement surface thereof is oriented oblique to the actuation axis of the key. The oblique arrangement of the engagement surfaces visually and tactually distinguishes one key from another, which facilitates their incorporation into various handheld electronic devices with relatively small form factors.
申请公布号 US2008101594(A1) 申请公布日期 2008.05.01
申请号 US20060554331 申请日期 2006.10.30
申请人 RAK ROMAN P;GRIFFIN JASON T 发明人 RAK ROMAN P.;GRIFFIN JASON T.
分类号 H04M1/00;H04M9/00 主分类号 H04M1/00
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