Tire monitoring and keyless entry system

Details Tire monitoring and keyless entry system Tire monitoring and keyless entry system

2006-03-28

2006-03-28

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Land vehicle alarms or indicators

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

C340S447000

Reexamination Certificate

active

07019628

ABSTRACT:
Door opening and closing control information transmitted from a portable transmitter3is received at a receiving apparatus20to drive a door locking mechanism4. A tire sensor unit10mounted on each tire2detects tire pressure and tire internal temperature and radio-transmits those data and identification information. A signal transmitted from the tire sensor unit10is received at the receiving device20to be supplied to a display device30. A tire abnormality judging section31lights a warning lamp32when the air pressure drops to the lower level than an air pressure drop detecting threshold value and the temperature is higher than a temperature rise detecting threshold value. The tire abnormality judging section31also sounds an alarm buzzer33to inform the tire abnormality.

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