发明名称 |
THERMAL MOVEMENT SENSOR |
摘要 |
A transducer for detecting movement of an article mounted for movement in a plane, the transducer comprising: a heater facing the plane of movement of the article and having a temperature dependent resistance; and, an edge defined in the article between regions of different thermal conductivity; wherein, as the article describes the movement, the edge moves relative to the heater producing a corresponding variation in heat loss from the heater and a corresponding variation in resistance of the heater. |
申请公布号 |
EP1532069(B1) |
申请公布日期 |
2009.01.14 |
申请号 |
EP20030791130 |
申请日期 |
2003.08.22 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BINNIG, GERD, K.;DESPONT, MICHEL;LANTZ, MARK, A.;VETTIGER, PETER |
分类号 |
B81B3/00;G01Q60/58;G11B9/00;G11B9/12 |
主分类号 |
B81B3/00 |
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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