Internal-to-vehicle mechanism for monitoring the air pressure of a tire of a vehicle
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United States of America Patent
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Apr 25, 2000
Grant Date -
N/A
app pub date -
Nov 18, 1997
filing date -
Nov 28, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An internal-to-vehicle mechanism for monitoring the air pressure of a tire of a vehicle includes a sensor, detecting the tire pressure, which rotates, together with an electrotechnical first device, synchronously with the wheel and which, as a function of the tire air pressure that is determined, modifies parameters of the first device, namely the energy uptake of the first device. A stationary electrotechnical second device radiates an electric and/or magnetic, in particular electromagnetic, field through which the first device passes at, preferably, each wheel rotation with an uptake of energy from the field. A monitoring device detects the energy uptake and/or energy release of the second device.
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