Apparatus, method and program for alarming decrease in tire...

Details Apparatus, method and program for alarming decrease in tire... Apparatus, method and program for alarming decrease in tire...

2006-11-22

2009-08-25

Goins, Davetta W (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

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

C340S442000

Reexamination Certificate

active

07579943

ABSTRACT:
To provide an apparatus, method and program for alarming decrease in tire air-pressure which enable to detect decrease in air-pressure of all of four-wheels tires at reduced costs. The apparatus for alarming decrease in tire air-pressure includes means of (1) detecting decrease in tire air-pressure by measuring change of parameter in relation to resonance condition in the tire, and (2) detecting decrease in tire air-pressure by making relative comparison of dynamic loaded radii of tires, wherein the means (1) is included in one to three-wheel tires on a four-wheel vehicle.

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“Su et al., Tire Pressure Monitoring Technology, Beijing Automotive Engineering, No. 1, pp. 23-25, Feb. 2005.”

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