发明名称 Keyboard configuration
摘要 The present invention is a keyboard configuration comprising a plurality of key matrixes and a plurality of sets of keys. A first set of keys disposed in the key matrix has a ↑-character key, a ↓-character key, a <--character key and a ->-character key. A second set of keys disposed in the key matrix has a W-character key, an A-character key, an S-character key and a D-character key. A third set of keys disposed in the key matrix has an I-character key, a J-character key, a K-character key and an L-character key. A fourth set of keys disposed in the key matrix has a 4-character key, a 5-character key, a 6-character key and an 8-character key. A fifth set of keys disposed in the key matrix has a 2-character key, the 4-character key, the 6-character key and the 8-character key. Both each scan line and each return line could be any character key in any set of keys are different from the other scan lines and return lines are the other relative characters in a same set.
申请公布号 US2007212152(A1) 申请公布日期 2007.09.13
申请号 US20060370930 申请日期 2006.03.09
申请人 CHEN CHIEN-TSUNG 发明人 CHEN CHIEN-TSUNG
分类号 B41J5/00 主分类号 B41J5/00
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