Transmitter for tire condition monitoring apparatus

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

2006-06-06

2006-06-06

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Tire, tread or roadway

C455S117000, C331S017000

Reexamination Certificate

active

07055380

ABSTRACT:
A transmitter is located in a tire of a vehicle and transmits data indicating a tire condition using a carrier wave. The transmitter has an oscillator circuit and a transmission controller. The oscillator circuit generates the carrier wave. The transmission controller compensates a deviation of the amplitude of the carrier wave generated by the oscillator circuit relative to a predetermined reference value such that the amplitude of the carrier becomes equal to the reference value. This is capable of maintaining a constant amplitude of a carrier wave.

REFERENCES:
patent: 6876265 (2005-04-01), Nantz et al.
patent: 2002/0163977 (2002-11-01), Kobayakawa
patent: 2003/0164741 (2003-09-01), Nantz et al.
patent: 2004/0180636 (2004-09-01), Li et al.
patent: 1 116 608 (2001-07-01), None
patent: 09-58230 (1997-03-01), None

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