专利名称：PWM Inverter device
发明人：Masakazu Kohata,Hideki Hayashi,Ichiro
Miyashita
申请号：US06/167235申请日：19800710公开号：US04366533A公开日：19821228
摘要：An inverter device operating under pulse width modulation (PWM) principle inwhich chopping pulse is formed by crossing points of a triangle waveform and a functionwaveform in order that pulse width of the inverter input current decreases towards laterhalf of pulse train in each period of pulse repetition series.
申请人：TOYO DENKI SEIZO KABUSHIKI KAISHA
代理机构：Phillips, Moore, Lempio & Finley
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