Transmitter for tire condition monitoring apparatus

Details Transmitter for tire condition monitoring apparatus Transmitter for tire condition monitoring apparatus

2007-05-01

2007-05-01

Swarthout, Brent A. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

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

C073S146500, C340S442000, C340S445000

Reexamination Certificate

active

10802189

ABSTRACT:
A transmitter of a tire condition monitoring apparatus has an acceleration sensor, a transmission circuit, an antenna and a transmission controller. The transmitter is provided in a tire of a vehicle. The acceleration sensor detects a running state of the vehicle. The transmission circuit generates a transmission signal containing data representing a condition of the tire and outputs the transmission signal. The antenna wirelessly transmits the transmission signal. The transmission controller changes a transmission power of the transmission circuit according to a detection result of the running state detection device. This is capable of transmitting signals with an appropriate transmission power.

REFERENCES:
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patent: 5838229 (1998-11-01), Robinson, III
patent: 6112585 (2000-09-01), Schrottle et al.
patent: 6518875 (2003-02-01), DeZorzi
patent: 6570462 (2003-05-01), Edmonson et al.
patent: 6691567 (2004-02-01), Walker et al.
patent: 6963274 (2005-11-01), Saheki et al.
patent: 37 03 128 (1988-08-01), None
patent: 2001-174357 (2001-06-01), None

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