Tire pressure monitoring device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 5, 2000
Grant Date -
N/A
app pub date -
Sep 5, 1996
filing date -
Sep 18, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tire pressure monitoring device for a vehicle having several wheels comprises a central receiving and evaluation device at the vehicle. Each a receiving antenna (A, B, C, . . . N) is arranged stationarily at the vehicle structure adjacent to at least each active wheel and thus attributed to said specific wheel. All said receiving antennas (A, B, C, . . . N) being connected via each a distinctive connecting line (a, b, c, . . . n) with a single receiver means. Said receiver means comprises a multiplexer-circuit connecting per time interval only one single selected receiving antenna or several selected receiving antennas with said receiving means. Further, said receiver means sensing a field strength of each specific radiogram and thus selecting said specific receiving antenna comprising the highest field strength of a received radiogram during said specific time interval. Thus, central evaluation means may attribute a specific radiogram to said specific wheel being arranged adjacent to said receiving antenna comprising the highest field strength of a received radiogram during said specific time interval.
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