发明名称 |
Keypad for computer system |
摘要 |
A keypad for interacting with a computer system having a display screen. The keypad includes a substantially planar base surface. A numeric/control key cluster is positioned on a first half of said planar base surface. The numeric/control key cluster incudes a 10-digit numeric key set, a plurality of cursor movement keys, and a plurality of control keys. A screen select key cluster is positioned on a second half of said planar base surface. The screen select key cluster includes a plurality of control keys for controlling display of information on the display screen.
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申请公布号 |
US5243331(A) |
申请公布日期 |
1993.09.07 |
申请号 |
US19920993904 |
申请日期 |
1992.12.18 |
申请人 |
AUTOMATED MARKET SYSTEMS, L.P. |
发明人 |
MCCAUSLAND, ROBERT G.;KEARNS, RICHARD F. |
分类号 |
G06F3/023;G06Q40/00 |
主分类号 |
G06F3/023 |
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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