发明名称 |
Interchangeable keyboard defining means |
摘要 |
A computer interactive device supports a planar keyboard and a display panel. A resilient keyboard overlay may be inserted to and removed from a position overlying the keyboard. The keyboard is surrounded by an inwardly projecting lip defining a pair of opposed openings near the keyboard center which facilitate overly interchange.
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申请公布号 |
US4439757(A) |
申请公布日期 |
1984.03.27 |
申请号 |
US19810319001 |
申请日期 |
1981.11.06 |
申请人 |
MATTEL, INC. |
发明人 |
GROSS, RAYMOND J.;HOGG, FREDRICK W. |
分类号 |
G06F3/02;G06F3/023;H01H13/02;(IPC1-7):G06F3/02 |
主分类号 |
G06F3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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