发明名称 |
Object position detector with noise suppression feature |
摘要 |
<p>A method for suppressing noise in a touchpad cursor control device which operates by scanning at one of a plurality of scanning frequencies a number of inputs associated with a touchpad, comprises the steps of measuring the noise level at each one of said plurality of scanning frequencies and setting the scanning frequency of the touchpad cursor control device to the one of the plurality of scanning frequencies having the lowest noise level. <IMAGE></p> |
申请公布号 |
EP0818751(A1) |
申请公布日期 |
1998.01.14 |
申请号 |
EP19970304153 |
申请日期 |
1997.06.13 |
申请人 |
SYNAPTICS, INCORPORATED |
发明人 |
PRITCHARD, JEFFREY O.;ALLEN, TIMOTHY P.;GILLESPIE, DAVID W.;LEROY, LIEVEN P. |
分类号 |
G06F3/033;G06F3/044;(IPC1-7):G06K11/16 |
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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