Wireless vehicle parameter monitoring system

Details Wireless vehicle parameter monitoring system Wireless vehicle parameter monitoring system

1995-03-31

1997-08-26

Teska, Kevin J.

Boots, shoes, and leggings

B60K 3100

Patent

active

056616511

ABSTRACT:
A wireless system for monitoring vehicle parameters, such as tire pressure, using radio frequency (RF) signals transmitted from transmitters close in proximity to an associated parameter sensor, to a centrally located receiver. The transmitted RF signals from the transmitters may be distinguished by the frequency of the respective transmitted RF signals. To detect the presence of an RF signal having a particular frequency, the wireless vehicle parameter monitoring system of one embodiment includes a digitally controlled tuner or a plurality of parallel bandpass filters, which pass different ranges of frequencies corresponding to the frequencies of the RF signals output from the transmitters. In this manner, RF signals transmitted from different tires may be distinguished based upon the frequency of the transmitted signal. The receiver of this system may be implemented in the receiver of a trainable transmitter such that a dedicated receiver need not be provided.

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Gail Marino, Pager and Garage Door Combination, Mar. 1990, Motorola Technical Developments, vol. 10, p. 36 (1 page).

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