Sequential control signal generator

Details Sequential control signal generator Sequential control signal generator

1977-10-03

1979-08-14

Truhe, J. V.

Electrical transmission or interconnection systems

Switching systems

Plural switches

179 6E, 179 90K, H04M 1100

Patent

active

041646630

ABSTRACT:
A sequential control signal generator which has at least first and second key switches and is adapted to provide a sequential control signal composed of control signals based on the actuation of the first and second key switches only when the second key switch is actuated after actuation of the first key switch. A further sequential control signal is provided only when the first key switch is actuated and then the second key switch is actuated within a predetermined time after completion of the first key switch actuation.

REFERENCES:
patent: 3045069 (1962-07-01), Sontheimer
patent: 3725589 (1973-04-01), Golden

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