Tire air pressure warning system and method for warning...

Details Tire air pressure warning system and method for warning... Tire air pressure warning system and method for warning...

2007-02-06

2007-02-06

Wu, Daniel (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

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

C340S443000, C340S444000, C340S445000, C340S446000, C340S447000, C340S539100, C340S539220, C340S539230, C340S426180, C340S426230, C073S146200, C073S146300, C073S146400, C073S146500

Reexamination Certificate

active

11065460

ABSTRACT:
To issue a warning against an improper (a lowered) air pressure in accordance with a vehicle state and driver's presence/absence, the warning system includes air pressure measuring means for measuring an air pressure of a tire of a vehicle; air pressure judging means for judging whether or not the air pressure is proper; warning issuing means for issuing, if a result of the judgment is negative, a warning; and driver on-board judging means for judging whether or not a driver is on board the vehicle; and driver detecting means for detecting whether or not the driver is in the proximity to the vehicle. If the results of the judgments by the air pressure judging means and the driver on-board judging means are negative and a result of the detection by the driver detecting means is positive, the warning issuing means issues the warning outside the vehicle.

REFERENCES:
patent: 4398172 (1983-08-01), Carroll et al.
patent: 6441732 (2002-08-01), Laitsaari et al.
patent: 6535116 (2003-03-01), Zhou
patent: 6650236 (2003-11-01), Ghabra et al.
patent: 6937144 (2005-08-01), Drake et al.
patent: 2716335 (1997-11-01), None
patent: 11-20427 (1999-01-01), None
patent: 11-321254 (1999-11-01), None

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