| 摘要 |
This invention is concerned with an interface for a computer system. This interface is characterized in such a way that it includes an assembly of elements (C2, C2') capable of performing an AND function, controlling modules (K1, K1') for monitoring the function of these elements (C2, C2'), the outputs of which modules are tied to a command system associated with the computer system D1, D1'), and means (K2, K2') to test the monitoring modules (K1, K1'), the command sytem being equipped with means to compare the states of the elements (C2, C2') that perform and AND function, as indicated by the control modules (K1, K1') with the command state. The warranting, means to inhibit the sending of a command signal is inhibited when the two states do not match. The invention is applicable to situations where a security interface is required.
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