Patent ID: 8007055

Claim:
An electronic system to operate an electromechanical parking brake for a land vehicle, the system comprising: at least one input unit to detect a driver request for parking brake; at least two separate control units in connection with the input unit to evaluate the driver request for parking brake transmitted to the input unit; at least two actuators for activating the parking brake with each one of the actuators connected to one of the control units, each of the control units being operable to control a corresponding actuator; and an energy supply to feed the input unit, the control units and the at least two actuators, the system being operative, on occurrence of a single fault from a set of possible faults in the system, to supply at least one control unit and at least one actuator with energy and with the at least one supplied control unit being operative to control the at least one supplied actuator so that the land vehicle is fixed in a parked position when a corresponding driver request for parking brake is present.