专利名称：Device for controlling an electric motor and
method for monitoring an abnormaloperation of an electric motor
发明人：Watanabe, Hiroto,Uchiyama, Mikiyasu,Kishi,
Tomoaki
申请号：EP05015907.8申请日：20050721公开号：EP1619375B1公开日：20161116
摘要：Device for controlling an electric motor comprising a terminal control sectiongenerating a control signal to control the motor, a driving section generating a drivingsignal based on the control signal to drive the motor, a counting section counting periodsof the driving signal output from the driving section, and an abnormality judging sectionjudging whether or not the driving section is in an abnormal operating condition based onthe control signal and a counting result of the counting section.
申请人：YAMAHA HATSUDOKI KABUSHIKI KAISHA
代理机构：Grünecker Patent- und Rechtsanwälte PartG mbB
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