Switching circuit with a time delay device

Details Switching circuit with a time delay device Switching circuit with a time delay device

1983-06-02

1985-02-05

Pellinen, A. D.

Electrical transmission or interconnection systems

Switching systems

Repetitive make and break

3071414, 307598, 361195, 377 44, H01H 4300

Patent

active

044980191

ABSTRACT:
A switching circuit with a time-delay device comprises a pulse generator, and a counter which receives pulses therefrom. The overflow output of the counter transmits a counter signal after receiving a predetermined number of pulses. The counter is provided with a holding circuit for maintaining the counter signal up to the time of resetting and renewed start of the counting operation. The resetting input of the counter receives a signal either by way of an inverter or directly. The overflow output of the counter is connected with the output of the time delay device, either directly to obtain a delayed start or by way of an inverter to obtain a delayed termination.

REFERENCES:
patent: 3050708 (1962-08-01), Alstyne et al.
patent: 3950657 (1976-04-01), Sheng et al.
patent: 4260912 (1981-04-01), Bjorke
patent: 4344000 (1982-08-01), Schornack et al.
patent: 4354747 (1982-10-01), Borowski et al.

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