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Uninterruptable power supply 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02J-007/00
출원번호 US-0274676 (1999-03-24)
우선권정보 JP0157662 (1998-06-05)
발명자 / 주소
  • Furukawa Noboru,JPX
  • Suzuki Keiji,JPX
출원인 / 주소
  • International Business Machine Corporation
대리인 / 주소
    Magistrale
인용정보 피인용 횟수 : 108  인용 특허 : 4

초록 ▼

Disclosed is an integrated uninterruptable power supply (UPS) for a computer powered by a commercial power supply. The uninterruptable power supply is operative to feed power from a normal power supply to a first load to be operated at a first DC voltage and a second DC voltage that is lower than th

대표청구항 ▼

[ What is claimed is:] [1.]1. An uninterruptable power supply for feeding power from a normal power supply as a first power supply to a first load to be operated within a defined DC voltage range comprising:a power supply unit, having an output connected to the first load, for converting a voltage o

이 특허에 인용된 특허 (4)

  1. Lee Chang-Hum,KRX, Battery powered electronic system with an improved power management.
    상세보기
  2. Kamioka Hideo,JPX ; Dendou Minoru,JPX ; Kohda Yoshimi,JPX ; Kobayashi Koji,JPX, Hub for local area network with backup power supply system.
    상세보기
  3. Kim Dong-Hwan,KRX, Power supply apparatus for portable computer and DC input selection circuit adapted to the same.
    상세보기
  4. Gephart Don A. (Delaware OH) Powell Jeffrey M. (Galena OH), UPS apparatus with control protocols.
    상세보기

이 특허를 인용한 특허 (108)

  1. Choe, Hun Yong, AC-DC power supply device and switching mode power supply device.
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  2. Choe, Hun Yong, AC-DC power supply device and switching mode power supply device.
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  3. MacDonald, Gilbert; Smith, Scott, AC/DC power converter.
    상세보기
  4. Frew, Louis; Bates, Colin, Analog combination regulator.
    상세보기
  5. Chapman, Patrick L.; Kuhn, Brian T.; Balog, Robert S.; Kimball, Jonathan W.; Krein, Philip T.; Gray, Alexander; Esram, Trishan, Apparatus and method for controlling DC-AC power conversion.
    상세보기
  6. Esram, Trishan; Gray, Alexander; Martina, Eric; Chapman, Patrick, Apparatus and method for controlling a power inverter.
    상세보기
  7. Esram, Trishan; Gray, Alexander; Martina, Eric; Chapman, Patrick L., Apparatus and method for controlling a power inverter.
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  8. Kimball, Jonathan W.; Krein, Philip T.; Benavides, Nicholas D., Apparatus and method for controlling a power supply.
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  9. Chapman, Patrick L.; Kuhn, Brian T.; Balog, Robert S.; Kimball, Jonathan W.; Krein, Philip T.; Gray, Alexander, Apparatus for converting direct current to alternating current using a frequency converter.
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  10. Kraus,Rudy, Apparatus for providing high quality power.
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