Time switch circuit having a switch-back time delay

Details Time switch circuit having a switch-back time delay Time switch circuit having a switch-back time delay

1974-10-01

1976-03-09

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307105, 307246, 317 9B, 340 52E, H03K 513, H02J 102, H02M 112, B60Q 100

Patent

active

039433854

ABSTRACT:
This relates to a circuit for use in a car interlock and permits restarting of the motor for about three minutes after the unfastening of the safety belt. The circuit contains a difference amplifier, a first input switching the supply voltage of a capacitor charging circuit and a second input directly switching the charging circuit.

REFERENCES:
patent: 3757293 (1973-09-01), Petersen
patent: 3859627 (1975-01-01), Ouantz
patent: 3860904 (1975-01-01), Andersen
patent: 3862441 (1975-01-01), Nabetani

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