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.
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
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