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发明名称
PULSE WIDTH MODULATION TYPE ALTERNATING CONSTANT CURRENT CIRCUIT
摘要
申请公布号
JPH04340370(A)
申请公布日期
1992.11.26
申请号
JP19910110299
申请日期
1991.05.15
申请人
HITACHI LTD
发明人
OKAYAMA TSUTOMU
分类号
H02M5/27;H02M7/48
主分类号
H02M5/27
代理机构
代理人
主权项
地址
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