Method, apparatus and program for alarming abnormality in...

Details Method, apparatus and program for alarming abnormality in... Method, apparatus and program for alarming abnormality in...

2006-11-21

2009-08-11

Goins, Davetta W (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

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

C340S443000

Reexamination Certificate

active

07573376

ABSTRACT:
A method, an apparatus and a program for alarming abnormality in tire air-pressure which enables to prevent issuing a erroneous alarm or no alarm when only one tire is replaced with a new tire can be provided. The method of alarming abnormality in tire air-pressure includes a step of detecting whether or not a new tire has been mounted by comparing the difference between determinate values to judge a decrease in air-pressure before and after enlargement of a diameter of the new tire with a set threshold value when solely one tire is replaced with the new tire with the use of a phenomenon that a diameter of a new tire on a vehicle enlarges after running.

REFERENCES:
patent: 5900543 (1999-05-01), Oshiro
patent: 63-305011 (1988-12-01), None
patent: 9-18114 (1997-01-01), None
patent: 2002-211220 (2002-07-01), None
patent: 20022211220 (2002-07-01), None

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