发明名称 |
Power unit and power source switching apparatus for a computer |
摘要 |
In a removable power supply unit for a computer, a power source switching FET provided in a protective circuit of a main battery and a second battery is enabled in response to a signal from the computer to switch power paths from each of the main battery and the second battery to a DC-DC converter of the computer, thereby reducing the number of such power source switching FETs provided in an internal circuit of the computer.
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申请公布号 |
US6396243(B2) |
申请公布日期 |
2002.05.28 |
申请号 |
US20010814977 |
申请日期 |
2001.03.22 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
ODAOHHARA SHIGEFUMI |
分类号 |
G06F1/26;H02J7/00;(IPC1-7):H01M10/46 |
主分类号 |
G06F1/26 |
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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