Electronic wireless tire pressure monitoring apparatus

Details Electronic wireless tire pressure monitoring apparatus Electronic wireless tire pressure monitoring apparatus

2006-02-07

2006-02-07

Oen, William (Department: 2855)

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

Reexamination Certificate

active

06993962

ABSTRACT:
An electronic wireless tire pressure monitoring apparatus is provided to install on an inflation valve on a tire for a direct signal transmission and a reliable detection. A pressure sensor is configured as a chip type semiconductor sensor and directly wire-bonded to a circuit board. Meanwhile, the pressure sensor is fixed by the pinch pin and the pinch pin holder in place, thereby defining an airtight chamber to allow for an accurate detection of the tire pressure with the pressure sensor. Moreover, the pinch pin and the pinch pin holder are used as electrically conducting means for power supply when the tire pressure detector is screwed on the tire valve. A disconnection is easily achieved when unscrewed. Therefore, the power-saving effect is achieved and no signals are falsely transmitted.

REFERENCES:
patent: 5889464 (1999-03-01), Huang

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