| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a power management system and a power device whose service life is long. <P>SOLUTION: An electric charge storage circuit 200 includes: a charging input anode terminal 201 connected to a pulse voltage generating circuit for generating a pulse type voltage; a charging input cathode terminal 202 connected to the pulse voltage generating circuit; a first path A having a plurality of diodes connected in series between the charging input anode terminal 201 and a discharging output anode terminal 203 to supply a current in one direction; a second path B for connecting the charging input cathode terminal 202 to a discharging output cathode terminal 204; a secondary battery 206 having one end connected to the first path A and the other end connected to the second path B; capacitors 210 and 214; a secondary battery 208 having one end connected to the first path A and the other end connected to the charging input anode terminal 201; and a capacitor 212. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
