发明名称 |
Multi-functional, rotary dial input device for portable computers |
摘要 |
A multiple switch assembly acts as an input device for computers. The switch assembly is comprised of a first input device which defines a circumference. A second input device is positioned within the circumference of the first input device. An interface is connected to the first input device and the second input device for producing output signals responsive to the first and second input devices. A portable computer utilizing such an input device is also disclosed.
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申请公布号 |
US6225980(B1) |
申请公布日期 |
2001.05.01 |
申请号 |
US19980020103 |
申请日期 |
1998.02.06 |
申请人 |
CARNEGIE MELLON UNIVERSITY |
发明人 |
WEISS LEE E.;STIVORIC JOHN MICHAEL;NEPLOTNIK GENNADY YAKOVIEVITCH;CAPE SCOTT J.;KASABACH CHRIS |
分类号 |
G06F3/033;H01H25/06;(IPC1-7):G09G5/08 |
主分类号 |
G06F3/033 |
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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