US PATENT SUBCLASS 340 / 445
.~.~.~ With particular telemetric coupling

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

425.5  DF  LAND VEHICLE ALARMS OR INDICATORS {11}
438  DF  .~ Internal alarm or indicator responsive to a condition of the vehicle {13}
442  DF  .~.~ Tire deflation or inflation {2}
445.~.~.~ With particular telemetric coupling {3}
446  DF  .~.~.~.~> Acoustic wave
447  DF  .~.~.~.~> Radio wave
448  DF  .~.~.~.~> Inductive

DEFINITION

Classification: 340/445

With particular telemetric coupling:

(under subclass 442) Subject matter including systems in which a signal, generated by a sensor on the rotating wheel, is transmitted to an alarm or indicator on a nonrotating portion of the vehicle by means other than direct conduction of electricity.