专利名称：Eddy wheel edge sensor
发明人：MARK KENDALL CORNWALL,KAREN MARIE
OWENS,KEITH GRATEFUL,JOHN EDWARDBUFFINGTON
申请号：AU8826991申请日：19911128公开号：AU650921B2公开日：19940707
摘要：A method for detecting a marked element on an eddy wheel in proximity to asensor is described. The method includes the steps of accumulating sensor outputsignals over a selected time period. The number of sensor output signal over a first andsecond time period are determined. From that number an average value is calculated. Athreshold value is established for the average for determining whether the marked ispresent. The threshold value is compared to the average value. If the average value isgreater than the threshold value, an output signal is generated to indicate the presenceof the mark.
申请人：AMRPLUS PARTNERS
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