发明名称 Hand-held computer keyboard
摘要 This invention relates to a hand-held computer keyboard, which is composed of two separate keyboards. On each keyboard, there is a stage and a clamping apparatus for fixing the keyboard on any suitable surface. On the stage, there is a stick-like handle having five plats, allowing a user to click different buttons to key in specific functions. The hand-held computer keyboard can help users to utilize their thumbs and the other four fingers more efficiently, and it is space efficient in comparison to a traditional keyboard.
申请公布号 US6712533(B2) 申请公布日期 2004.03.30
申请号 US20030339391 申请日期 2003.01.10
申请人 CHEN TE-CHUAN 发明人 CHEN TE-CHUAN
分类号 G06F3/02;G06F3/023;(IPC1-7):B41J5/16 主分类号 G06F3/02
代理机构 代理人
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