发明名称 Condensed keyboard for electronic devices
摘要 Methods, apparatuses, systems, and media for generating characters for electronic devices using condensed keyboards are disclosed. Embodiments comprise a method of manipulating a set of keys adapted to be manipulated using fingers of a left hand and a right hand of a user, each of the keys capable of generating multiple characters. A variation of the method includes using one or more keys adapted to be used by thumbs of the user to generate other characters and/or control characters. Other embodiments comprise keyboards, apparatuses, and portable electronic devices that comprise two sets of keys for manipulation and desired character generation. The keyboards generally have four or more keys for each hand, and the keyboards may be located on the back and/or sides of portable the systems.
申请公布号 US7378991(B2) 申请公布日期 2008.05.27
申请号 US20060278554 申请日期 2006.04.04
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 DIETZ TIMOTHY A.;HOLLOWAY LANE T.;TJONPIANGI DAVID C.
分类号 H03K17/94 主分类号 H03K17/94
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