Patent ID: 7054722

Claim:
A device for reliably generating a signal in a motor vehicle, comprising: at least one switching element; at least one first control arrangement which is supplied at least one control signal, the at least one first control arrangement generating at least one trigger signal as a function of the at least one control signal in order to trigger the at least one switching element; an emergency-operating arrangement, which, in an emergency operation, generates the at least one trigger signal as a function of the at least one control signal; and a testing arrangement which tests an operativeness of the emergency-operating arrangement by selective triggering the emergency operating arrangement, wherein the emergency-operating arrangement is one of activated and deactivated in response to an edge change of the at least one control signal, wherein the emergency-operating arrangement is one of first activated and first deactivated for a specifiable time span after a defined time span has elapsed with respect to the edge change of the at least one control signal.