UNINTERRUPTIBLE POWER SUPPLY UNIT

申请公布号：JP2003304651(A)

申请号：JP20030030038

申请日期：2003.02.06

申请公布日期：2003.10.24

申请人：

NTT DATA CORP

发明人：HANEDA SHOJI

分类号：H02J7/34;H02J9/00;H02J9/06;(IPC1-7):H02J9/00

主分类号：H02J7/34

摘要：<p><P>PROBLEM TO BE SOLVED: To provide an uninterruptible power supply unit, capable of protecting apparatuses from external noise and damages due to thunder and preventing degradations in power efficiency caused by conversion of AC into DC. <P>SOLUTION: When there is no power failure, a commercial AC output outputted by a commercial power source is converted into a DC output. A DC power supply, equipped with a battery 12 charged with the DC output, is connected to a load. When there is power failure, the battery 12 is connected to the load, and when a failure occurs in the DC power supply equipped with the battery 12, the commercial power supply unit is connected to the load. <P>COPYRIGHT: (C)2004,JPO</p>

COVER MEMBER

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DEVICE FOR SYNCHRONIZED INJECTION AND ASPIRATION

DECODING DEVICE AND DECODING METHOD, AND ENCODING DEVICE AND ENCODING METHOD

INDIRECT BOILING FOR WATER TREATMENT

METHOD FOR TRANSMITTING AND RECEIVING RANDOM ACCESS RESPONSE, AND APPARATUS THEREFOR

NRAS ASSAY

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