Patent ID: 6980121

Claim:
A method for operating a radio remote control system having a transmitting unit and a receiving unit, comprising: following the termination of a radio connection between the transmitting unit and the receiving unit, modifying at least one transmitting or receiving parameter of the transmitting unit or the receiving unit with respect to a standard value in such a way that the establishment of a new radio connection is only possible if the distance between the transmitting unit and the receiving unit does not exceed a predetermined value; for establishing a new radio connection, transmitting information composed of a sequence of packets each having a section with a defined bit pattern for testing purposes, comparing, in the receiving unit, the defined bit patterns with a stored bit pattern, and establishing the new radio connection and causing the receiving unit to generate a control signal only if the comparing step indicates correspondence between the defined bit pattern and the stored bit pattern; and following the establishment of the new radio connection with the modified parameter in effect, resetting the respective parameter to the standard value.