Method for controlled locking/unlocking of a system using a lock

Details Method for controlled locking/unlocking of a system using a lock Method for controlled locking/unlocking of a system using a lock

1995-08-22

1996-11-26

Harvey, Jack B.

G06F 132

Patent

active

055795234

ABSTRACT:
A power controlling apparatus turns off a power to an apparatus whose connection to a central apparatus has been cut by a connection change, thus selectively turning off a power to an apparatus not required by the central apparatus. A locking/unlocking apparatus determines a value of the locking timer in the interrupt timer routine and, when the value has exceeded a predetermined level, takes a slave apparatus out of the locked state, thereby simplifying programming.

REFERENCES:
patent: 4926332 (1990-05-01), Fomuro et al.
patent: 4989113 (1991-01-01), Hull, Jr. et al.
patent: 5125093 (1992-06-01), McFarland
patent: 5163144 (1992-11-01), Ikeno
patent: 5276847 (1994-01-01), Kohn
patent: 5327566 (1994-07-01), Forsyth

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