发明名称 Power supply circuit
摘要 There is provided a power supply circuit having a simple configuration which is capable of eliminating an adverse effect due to pumping operation. The capacitor-input positive and negative power supply circuit is comprised of diodes, switching circuits connected in parallel with the diodes, and control circuits that control the switching circuits such that the switching circuits conduct during a time period over which the diodes conduct.
申请公布号 EP1434341(A2) 申请公布日期 2004.06.30
申请号 EP20030029855 申请日期 2003.12.24
申请人 YAMAHA CORPORATION 发明人 NORO, MASAO
分类号 H02M3/335;H02M7/12;H02M1/00;H02M7/217 主分类号 H02M3/335
代理机构 代理人
主权项
地址