Method and device for detecting tyre wear or the like
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 24, 2008
Grant Date -
Aug 12, 2004
app pub date -
Nov 19, 2001
filing date -
Nov 20, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
When the tire reaches a limit of wear level, tire wear indicators generate an acoustic signal by knocking the ground. Magnetic, optical and mechanical versions exist.A detector made of a microphone located under the vehicle and a processing central unit switches on a warning included in the dashboard.In a more sophisticated version, the detector recognizes the incriminated wheel using the phase of the acoustic signal and the information from the ABS.TM.. Application to the detection of the decay of a tire, or any other type of wear surface such as pad, or similar, and to the detection of the presence of snow chains or spikes.
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