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US20080074251 Tire monitor system having tire valve antenna  
A tire monitor system includes a tire monitor sensor unit that has a tire pressure detector, a coupler and a tire valve. The tire valve operates as an antenna to transmit tire data from the tire...
US20090207011 Auto-charging alert device for rotatable pneumatic object  
An auto-charging alert device for a rotatable pneumatic object includes an alert unit for generating a warning signal when an interior pressure of the rotatable pneumatic object is below a...
US20100102944 Tire pressure sensing devices, systems and methods employing an acoustic amplifier  
A pressure sensing device, such as a tire pressure monitoring unit comprises a pressure sensor for measuring pressure of a fluid, such as air or an inert gas, in an environment external to the...
Matches 1 - 3 out of 3