Power supply system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6018204
SERIAL NO

09007047

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A power supply system is made up of a plurality of power supply devices including M (M is a positive integer number) redundant power supply devices. The power supply system includes redundant abnormality detecting means for detecting that an abnormality occurs in at least one of the M redundant power supply devices in accordance with first signals outputted from the power supply devices. Each of the first signals indicates corresponding one of the power supply devices is in an abnormal state.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NEC CORPORATIONTOKYO10615

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuruma, Akio Tokyo, JP 2 16

Cited Art Landscape

Patent Info (Count) # Cites Year
 
MARCONI INTELLECTUAL PROPERTY (RINGFENCE) INC. (1)
* 5726506 Hot insertion power arrangement 153 1995
 
POWERWARE CORPORATION (1)
* 5381554 Uninterrupted power supply (UPS) system interfacing with communications network 111 1994
 
OMRON CORPORATION (1)
* 5616968 Expandable AC power supply device 53 1994
 
LANart Corporation (1)
* 5745670 Fault tolerant power supply system 72 1996
 
Kabushiki Kaisha Aichi Denki Seisakusho (1)
* 5621254 Uninterruptible power switching method and apparatus 13 1995
 
DELL USA, L.P. (1)
* 5668417 Method and apparatus for distinguishing between failure of a power supply versus failure of its power source from the secondary of the power supply 22 1995
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (3)
* 6735704 Autonomic control of power subsystems in a redundant power system 42 2000
* 6728601 Multiple host power control system and method 14 2001
* 2003/0018,921 Multiple host power control system and method 2 2001
 
KOHLER CO. (1)
7005760 Automatic transfer switch system capable of governing the supply of power from more than two power sources to a load 16 2003
 
NEC PLATFORMS, LTD. (1)
9627887 Power supply state monitoring device, power supply state monitoring method, and program 0 2012
 
EMC IP HOLDING COMPANY LLC (1)
* 6904541 Methods and apparatus for providing power to electronic circuitry 9 2001
 
BEIJING XIAOMI MOBILE SOFTWARE CO., LTD. (2)
* 6747369 Power system including redundant power supplies 16 2002
* 2004/0036,359 Power system including redundant power supplies 4 2002
 
ASUSTEK COMPUTER INC. (2)
* 8214664 Power supply system and power supplying control method 1 2009
* 2009/0327,771 POWER SUPPLY SYSTEM AND POWER SUPPLYING CONTROL METHOD 0 2009
 
AVIEM SYSTEMS LTD (2)
* 8330297 UPS system 2 2006
* 2010/0156,187 UPS System 1 2006
 
TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION (2)
* 7061141 Parallel operation method for an uninterruptible power supply apparatus 15 2002
* 2003/0184,160 Parallel operation method for an uninterruptible power supply apparatus 8 2002
 
FUJITSU LIMITED (1)
* 6815843 Power supply device 14 2000
 
TEND SKIN INTERNATIONAL, INC. (1)
* 2004/0018,158 Topical compositions including sunscreen compositions 0 2003
 
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. (2)
* 8338988 Adaptation of an active power supply set using an event trigger 2 2009
* 2010/0264,741 ADAPTATION OF AN ACTIVE POWER SUPPLY SET USING AN EVENT TRIGGER 2 2009
* Cited By Examiner