Device for verifying disturbances in signal transmission in motor vehicles
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United States of America Patent
Stats
-
Oct 31, 1995
Grant Date -
N/A
app pub date -
Jan 26, 1993
filing date -
Jan 30, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device is disclosed which can detect and document tampering in the signal transmission path between speed measurement and/or mileage counting devices and the speed transmitters which are associated with these devices using the simplest possible means and so as to be suitable for large-scale series manufacture. The device provides that at least one movement transmitter, which senses forces which are typical of driving, is arranged inside the respective measurement device, and that an evaluating circuit is also provided, which delivers a signal which controls a recording arrangement when signals of a speed transmitter do not correspond with those of the movement transmitter.
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