<p>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.</p>
申请公布号
WO2004020328(A1)
申请公布日期
2004.03.11
申请号
WO2003IB03749
申请日期
2003.08.22
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION;BINNIG, GERD, K.;DESPONT, MICHEL;LANTZ, MARK, A.;VETTIGER, PETER
发明人
BINNIG, GERD, K.;DESPONT, MICHEL;LANTZ, MARK, A.;VETTIGER, PETER