Reset signal generating circuit

Details Reset signal generating circuit Reset signal generating circuit

1988-11-16

1990-02-20

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307594, 3072965, H03K 1720, H03K 1722, H03K 5153, H03K 17687

Patent

active

049029070

ABSTRACT:
A reset signal generating circuit has a voltage dividing circuit for dividing a power source voltage into a divided voltage, a first switching part controlled responsive to the divided voltage from the voltage dividing circuit and turned ON when the power source voltage rises to a value in a vicinity of a predetermined value with an arbitrary rising speed, a second switching part controlled responsive to an output signal of the first switching part and turned ON during a time in which the first switching part is ON, and a charging and discharging part including a capacitor supplied with an output signal of the second switching part for starting a charging operation from a first time when the second switching part turns ON. The charging anc discharging part outputs a reset signal for a constant time from the first time to a second time and stops to output the reset signal after the second time.

REFERENCES:
patent: 4013902 (1977-03-01), Payne
patent: 4140930 (1979-02-01), Tanaka
patent: 4581552 (1986-04-01), Womack et al.
patent: 4634904 (1987-01-01), Wong
patent: 4716322 (1987-12-01), D'Arrigo et al.
patent: 4717840 (1988-01-01), Ouyang et al.
patent: 4812679 (1989-03-01), Mahabadi

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