Fail safe circuit for multi-signal transmission system

Details Fail safe circuit for multi-signal transmission system Fail safe circuit for multi-signal transmission system

1984-08-16

1987-01-06

Fleming, Michael R.

Excavating

371 67, 371 68, G06F 1110

Patent

active

046352570

ABSTRACT:
A fail safe circuit is provided in the receiver of a multi-signal transmission system which includes a transmitter and a receiver each of which incorporates a resettable power supply. The fail safe circuit comprises a signal check circuit which detects whether a check bit has been received or not and a power supply reset circuit which, when the check bit is not present, once shuts off and then resets both the power supplies incorporated in the receiver and the transmitter in order to initialize the transmitter and the receiver.

REFERENCES:
patent: 3483510 (1969-12-01), Widl
patent: 3795800 (1974-03-01), Nimmo
patent: 3824547 (1974-07-01), Green
patent: 3879577 (1975-04-01), Proger
patent: 4045661 (1977-08-01), Antoine
patent: 4270205 (1981-05-01), Deshon
patent: 4377862 (1983-03-01), Koford
patent: 4393501 (1983-07-01), Kellogg
patent: 4410991 (1983-10-01), Lenhart
patent: 4422171 (1983-12-01), Wortley

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