专利名称：Coin detection apparatus发明人：Mark H. Leibu,Thierry J. Vivet申请号：US08/490637申请日：19950615公开号：US05579887A公开日：19961203
摘要：A differential type sensing unit which includes a winding core having a windingshaft is described. In one embodiment, a post extends from the winding shaft and islocated intermediate first and second winding ends of the winding shaft. The postfacilitates reversing the winding direction of a conductor wound on the winding shaft. Theconductor is wound such that the sensing unit includes a first sensing coil and a secondsensing coil formed in a series opposing configuration. The sensing unit may be
integrated with a driving unit to include driving coils formed over the top of the sensingcoils.
申请人：COIN ACCEPTORS, INC.
代理机构：Haverstock, Garrett & Roberts
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