Power-up sequencing apparatus

Details Power-up sequencing apparatus Power-up sequencing apparatus

1986-05-16

1988-04-05

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

307 9, 307 35, 307 38, 363 49, 323901, H02J 1300

Patent

active

047361166

ABSTRACT:
A power-up sequencing apparatus for successively energizing a plurality of associated subsystems in a host system, including a series of interconnected sequencing circuits, each sequencing circuit interconnected with a subsystem and including first switching means responsive to an initial system power-up for disabling its associated subsystem; second switching means responsive to an initial system power-up for suppressing the start command to the next sequencing circuit in the series; and third switching means responsive to a start command for operating the first switching means to enable its associated subsystem and for operating the second switching means to introduce a start command to the next sequencing circuit in the series.

REFERENCES:
patent: 3305726 (1967-02-01), Goodman et al.
patent: 3651335 (1972-03-01), Shimizu et al.
patent: 3725675 (1973-04-01), Olson
patent: 3826970 (1974-07-01), Oka et al.
patent: 4274503 (1981-06-01), Mackintosh
patent: 4441031 (1984-04-01), Moriya et al.
patent: 4463821 (1984-08-01), Falamak
patent: 4500970 (1985-02-01), Daemmer

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