专利名称：Absolute signal detecting method and
absolute encoder
发明人：Shigeo Seki申请号：US08/560575申请日：19951120公开号：US05774068A公开日：19980630
摘要：A code plate has an m-bit signal track read out in parallel for providing thestarting position of an AC servo motor for commencing rotation when power is firstturned ON. An n-bit signal track accompanied by an incremental signal track is providedon the code plate with the n- bit track read out serially, converted to pure binary inparallel, and used once rotation of the servo motor commences to provide the initialabsolute value of the encoder. To this n-bit initial value is added signals from theincremental track upon continued rotation of the code plate.
申请人：TAMAGAWA SEIKI KABUSHIKI KAISHA
代理机构：Brooks Haidt Haffner & Delahunty
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