One-shot delay timer

Details One-shot delay timer One-shot delay timer

1983-06-30

1985-12-24

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307246, 307247R, 361196, H03K 513, H01M 4718

Patent

active

045608920

ABSTRACT:
A one-shot delay timer 4 is provided by a pair of comparator timers 14 and 18. The first comparator timer 14 responds to an input signal and provides a delayed output initiating the output pulse. The second comparator timer 18 provides a delayed output terminating the output pulse. The delayed output pulse of controlled length is generated for each input signal except when a second input signal occurs before the termination of the one-shot output pulse. The delayed output pulse is generated regardless of the duration of the input signal, even if the input signal lasts longer than the termination of the output pulse. Timer 4 is ideal for proximity switch applications, particularly photoelectric type proximity switches, for providing a delayed output signal following a given sensed condition.

REFERENCES:
patent: 3755695 (1973-08-01), Krick et al.
patent: 3794857 (1974-02-01), Milovancevic
patent: 3950657 (1976-04-01), Sheng et al.
patent: 4047058 (1977-09-01), Green

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