Tire-interior monitoring apparatus
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United States of America Patent
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-
Mar 16, 1993
Grant Date -
N/A
app pub date -
Aug 13, 1991
filing date -
Sep 26, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for monitoring the tire interior by supplying electric power from a power source on a chassis side to a tire-side sensor via a power-supplying coil and a power-receiving coil, and by transmitting a sensor output via a signal-transmitting coil and a signal-receiving coil. The signal-transmitting coil and the power-receiving coil, as well as the signal-receiving coil and the power-supplying coil, are respectively arranged to be substantially concentric in a respective substantially identical plane, and an electromagnetic shielding is provided so as to prevent noise from being mixed in the sensor output. The arrangement makes compact a coupling portion on the chassis side and a coupling portion on the tire side.
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