US 7,321,840 B2
Apparatus for monitoring tire pressure
Daniel Yves Abramovitch, Palo Alto, Calif. (US)
Assigned to Avago Technologies General IP Pte. Ltd., Singapore (Singapore)
Filed on Jun. 06, 2005, as Appl. No. 11/146,672.
Prior Publication US 2006/0276990 A1, Dec. 07, 2006
Int. Cl. G01L 17/00 (2006.01); G06F 15/00 (2006.01)
U.S. Cl. 702—138 15 Claims
OG exemplary drawing
 
1. A tire monitor comprising
an in-tire controller that stores a target inflation pressure representing the pressure to which said tire should be inflated when said tire is at a standard temperature; and
a communication link for coupling said in-tire controller to a processor external to said tire,
wherein said in-tire controller transmits said target inflation pressure to said external processor when said external processor is connected to said in-tire controller;
a sensor array comprising a pressure sensor and a temperature sensor mounted in said tire; and
a memory that stores sensor readings including said pressure and temperature values generated by said pressure sensor and temperature sensor, respectively,
wherein said in-tire controller causes said temperature and pressure values to be stored in said memory and wherein said in-tire controller transmits said stored pressure and temperature readings to said external processor; and
a motion sensor for generating a motion signal when said tire is moving.