Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2008-07-29
2008-07-29
Puente, Emerson C (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S022000, C713S300000
Reexamination Certificate
active
07406623
ABSTRACT:
In the case where there coexist general loads requiring backup only for a short duration and a specific load requiring backup for a longer duration, uninterruptible power with higher reliability is supplied to the specific load with the adoption of a simple configuration. A DC backup power supply system comprises an AC/DC converter for normally supplying DC power to loads in while (the general loads and the specific load, included), and a control circuit for supplying DC output backing up the loads in whole for relatively short time only from a battery at the time of a power outage, while supplying DC output backing up the specific load, such as a cache memory and so forth, for relatively long time. Thus, it is possible to implement an uninterruptible power supply system small in size and low in cost, provided with a function for proper use depending on a prevailing situation.
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Hamaogi Masahiro
Kanouda Akihiko
Nemoto, legal representative Isao
Takahashi Fumikazu
Takahashi Yoshihide
Antonelli, Terry Stout & Kraus, LLP.
Hitachi Computer Peripherals Co., Ltd.
Puente Emerson C
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