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Douglas E Jewett, Phil Webster, Dave Aldridge, Peter C Norwood, Nikhil A Mehta: Fault-tolerant computer system with auto-restart after power-fall. Tandem Computers Incorporated, Graham & James, May 31, 1994: US05317752 (210 worldwide citation)

A fault-tolerant computer system employs a power supply system including a battery backup so that upon AC power failure the system can execute an orderly shutdown, saving state to disk. A restart procedure restores the state existing at the time of power failure if the AC power has been restored by ...


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Jewett Douglas E, Bereiter Tom, Vetter Brian, Randall G Banton, Richard W Cutts Jr, Donald C Westbrook, Kiran W Fey Jr, John Pozdro, Kenneth C Debacker, Nikhil A Mehta, Phil Webster, Dave Aldridge, Peter C Norwood: Fault-tolerant computer with one-line re-incorporation and shutdown/restart. Tandem Comput, July 26, 1994: JP1994-208477

PURPOSE: To improve the reliability of a fault-tolerant computer by securing the operating ability of the computer at a high level by detecting the component of a system which gets out of order and setting the component in an off-line state so that the component can be reincorporated without shuttin ...


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Jewett Douglas E, Bereiter Tom, Vetter Brian, Randall G Banton, Richard W Katz Jr, Donald C Westbrooke, Kiran W Faye Jr, John Poslow, Kenneth C Dubacker, Mehta Nikhil A, Phil Webster, Aldridge Dave, Peter C Norwood: Computer system provided with countermeasure against power supply fault and its driving method. Tandem Comput, April 21, 2000: JP2000-112584

PROBLEM TO BE SOLVED: To obtain an improved fault allowable highly reliable system by automatically interrupting a backup power supply when main power supply is not restored within prescribed time to stop the execution of a central processing part.SOLUTION: In a time series of interruption and resta ...