Patent
1996-06-11
1998-09-15
Auve, Glenn A.
G06F 1300
Patent
active
058092560
ABSTRACT:
A soft power switch for insertion and removal of a logic unit in a system during continuing operation of the system, including a current switch for each supply voltage to the logic unit that is to be protected, each current switch having a current input connected from a corresponding system power source and a current output connected to the logic unit. The switch includes a gate drive delay connected to each current switch that provides a gate signal controlling the flow of current through each current switch, and a connector having staggered connector pins for sequenced connection of power and control signals as the logic unit is inserted or withdrawn, the soft switch responding to the sequence of control and power signals by controllably and gradually increasing or decreasing the current through the current switches as the logic unit is inserted or withdrawn.
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patent: 5511171 (1996-04-01), Bowman
patent: 5515515 (1996-05-01), Kennedy et al.
patent: 5625238 (1997-04-01), Ady et al.
patent: 5627416 (1997-05-01), Kantner
patent: 5636347 (1997-06-01), Muchnick
Auve Glenn A.
Clapp, Esq. Gary D.
Data General Corporation
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