Excavating
Patent
1983-11-03
1986-11-25
Atkinson, Charles E.
Excavating
371 62, G06F 1100
Patent
active
046253092
ABSTRACT:
A capacitor (12) which, by its charge or discharge, times the interval between successive signals at a computer output point which is being monitored so as to provide a reset signal to the computer when the interval exceeds a predetermined normal value, is held in a charge condition which produces a reset signal to the computer component, for a predetermined time after power is turned on. In one embodiment a transistor in circuit with resistances and another capacitance is used for that function and in another embodiment an additional comparator responsive to the rise of the supply voltage up to a threshold value provides that function. The circuit can be designed to provide reset signals of either logic value (0 or 1).
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Atkinson Charles E.
Robert & Bosch GmbH
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