发明名称 |
BACKUP POWER SUPPLY DEVICE, AND POWER OUTPUT METHOD |
摘要 |
A backup power supply device configured to supply an electric power for backup to an optical encoder 11 when a main power supply 13 for driving the optical encoder 11 breaks down, the backup power supply device comprises: a battery 12 configured to storage a DC power; a capacitor 33 configured to storage a DC power, the capacitor 33 configured to supply an electric power for backup to the optical encoder 11 when the battery 12 cannot supply the electric power thereof; a discharge device 34 configured to discharge the electric power charged in the battery 12; and a periodical discharge controller 35 configured to perform control to intermittently output the electric power charged in the battery 12 to the discharge device 34 to consume the battery power.
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申请公布号 |
US2013015709(A1) |
申请公布日期 |
2013.01.17 |
申请号 |
US201113637695 |
申请日期 |
2011.03.07 |
申请人 |
TOSHIBA KIKAI KABUSHIKI KAISHA;MATSUNAGA WATARU;KATSUMATA KAZUHIRO;YAMAGUCHI YUTAKA |
发明人 |
MATSUNAGA WATARU;KATSUMATA KAZUHIRO;YAMAGUCHI YUTAKA |
分类号 |
H02J4/00;H02J9/00 |
主分类号 |
H02J4/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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