Applicant: Texas Instruments Inc, USA
This patent covers a tyre-monitoring device and method. It describes a device to accurately identify the wheel position. Installed on each tyre is a radio wave transmitter, using a simple and compact configuration. This tyre-pressure monitoring system (TPMS) has sensor modules (14A, 14B, 14C & 14D) installed on the vehicle’s (10) tyres (12FL, 12FR, 12RL & 12RR) for transmitting data, and the main receiver unit (16). The main receiver unit is composed of a group of two antennas (18, 20), receiver system (22) and a display (24). The two antennas are arranged appropriately to receive the radio waves transmitted by each of sensor modules (with a phase difference between them).
Patent number: WO/2009/015265
Inventor: T. Watasue
Publication date: 29 January 2009
Taken from Condition Monitor - January 2011
Taken from Condition Monitor - January 2011
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