Patent ID: 7343790

Claim:
An apparatus for detecting a tire deformation of a vehicle tire, comprising: a tire pressure sensor for sensing a tire pressure; a state unit for providing a state information indicating whether the vehicle is in a parking state or in a moving state; and a signal processor adapted to determine a first pressure value describing a tire pressure in a first vehicle state out of the parking state and the moving state, to determine a second pressure value describing a tire pressure in a second vehicle state out of the parking state and the moving state, wherein the second vehicle state is different from the first vehicle state, and to provide a signal indicating the deformation of the tire based on a difference between the first pressure value and the second pressure value, wherein the signal processor is controlled by the state information to indicate, whether the first value and the second value describe a tire pressure in the parking state or the moving state, or wherein the signal processor is operational to perform a decision on the basis of the state information whether a vehicle state change has occurred, and to provide the signal indicating the tire deformation on the basis of the decision.