Patent ID: 7667583

Claim:
A tire pressure gauge, comprising: a housing; a port fixed on the housing, and adapted to couple to and having a bore having a threaded interior surface to sealingly engage with and be mounted on a threaded vehicle tire valve stem and to open a valve in the valve stem; a chamber in the housing and in physical communication with said port; a pressure transducer in said chamber for detecting a pressure of a fluid within the vehicle tire and providing an output signal representative of the detected pressure; a processor in the housing, and physically coupled to said pressure transducer for receiving said output signal, and for providing a processor output signal indicative of a value of the detected pressure; a wake circuit in the housing for receiving a wireless wake signal and being physically coupled to the processor for providing a signal causing the processor to change from a powered down state to an activated state; and a display on the housing and physically coupled to said processor for providing a visible indication of detected pressure value in accordance with the processor output signal.