Tire inflation pressure sensing apparatus with command...

Details Tire inflation pressure sensing apparatus with command... Tire inflation pressure sensing apparatus with command...

2008-01-01

2008-01-01

Crosland, Donnie L. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S444000, C073S146500

Reexamination Certificate

active

07315240

ABSTRACT:
A tire inflation pressure sensing apparatus according to the present invention includes a transmitter, a receiver, and a command signal receiver. The transmitter is provided on a wheel of a vehicle and includes a pressure sensor configured to sense the inflation pressure of a tire on the wheel and generate a pressure signal indicative of the sensed inflation pressure. The receiver is provided on the body of the vehicle and works to receive the pressure signal and determine the inflation pressure of the tire based on the pressure signal. The command signal receiver is operatively connected to the transmitter and works to receive command signals that indicate instructions for the transmitter. The command signal receiver has a variable receiver sensitivity so as to prevent the command signal receiver and transmitter from being activated by noises while ensuring reliable activation of the command signal receiver and transmitter by “true” command signals.

REFERENCES:
patent: 5880363 (1999-03-01), Meyer et al.
patent: 7032441 (2006-04-01), Kanatani et al.
patent: 2003/0179082 (2003-09-01), Ide
patent: 196 32 150 (1998-02-01), None
patent: 1197356 (2002-04-01), None
patent: 1 205 317 (2002-05-01), None
patent: 2004-145623 (2004-05-01), None
Search Report from European Patent Office issued on Jan. 18, 2007 for the corresponding European patent application No. 05027920.7-2425 (a copy thereof).

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