Device for despatching a secure output command

Details Device for despatching a secure output command Device for despatching a secure output command

2005-10-05

2009-06-23

Paladini, Albert W (Department: 2836)

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

C307S010200, C307S010300, C307S010400, C307S009100, C340S005100, C340S005200, C340S005210, C340S005260

Reexamination Certificate

active

07550868

ABSTRACT:
The invention aims to provide a compact device for despatching a command. For this purpose, the invention proposes a novel type of output stage. A secure verification device of the despatching of a binary command signal from at least one conductor has an input terminal and an output terminal. Means of insertion despatch a verification message on said conductor. At least one optical coupler has an emission diode coupled to the conductor so as to copy the verification message when the binary signal is in a first state and not to copy it when it is in a second state different from the first state.

REFERENCES:
patent: 4747120 (1988-05-01), Foley
patent: 4782510 (1988-11-01), Szlam
patent: 5825790 (1998-10-01), Lawandy
patent: 5901156 (1999-05-01), Botzenhardt et al.
patent: 1 453 072 (2004-09-01), None
patent: 2 704 370 (1994-10-01), None

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