Process for recognizing the movement of a motor vehicle

Details Process for recognizing the movement of a motor vehicle Process for recognizing the movement of a motor vehicle

2006-09-05

2006-09-05

Black, Thomas G. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

C701S047000, C340S429000, C340S426240, C340S426250, C340S441000, C340S658000, C180S272000

Reexamination Certificate

active

07103454

ABSTRACT:
A process and system are provided for recognizing the movement of a motor vehicle as well as a process for using an acceleration sensor in a device for blocking the starting of a motor vehicle. Reliable information is obtained on whether or not the motor vehicle was moved. In the process for recognizing the movement of a motor vehicle, the accelerating forces acting on the motor vehicle are measured for this purpose as time-dependent functions and are subjected to a discrete Fourier analysis. If the majority of the frequencies determined is below a preset limit frequency, e.g., 0.3 Hz, movement of the motor vehicle is assumed, and an irrelevant vibration is otherwise assumed. An acceleration sensor is used in a device for blocking the starting of a motor vehicle and/or to demonstrate an inadmissible circumventing of the blocking.

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