发明名称 Input device
摘要 An input device with a number of key sets is described. The input device has a first state when the key sets are configured in different levels, and a second state when the key sets are configured to be side-by-side.
申请公布号 US2002175957(A1) 申请公布日期 2002.11.28
申请号 US20020154996 申请日期 2002.05.24
申请人 HUANG MAO-SUNG;HSU CHIEN-SHIH 发明人 HUANG MAO-SUNG;HSU CHIEN-SHIH
分类号 G06F3/02;(IPC1-7):G09G5/00 主分类号 G06F3/02
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