About 2 results
https://drivepatents.com/patents/993988 · 16 Jan 2013
The method involves measuring air pressure present in vehicle tires by a pressure sensor, and transmitting pressure information by a high-frequency transmitter. Interrogation signals (10) are received by a low-frequency receiver, where transmission activit...
https://drivepatents.com/patents/1015443 · 23 Feb 2011
The method involves measuring air pressure present in vehicle tires by a pressure sensor, and transmitting pressure information by a high-frequency transmitter. Interrogation signals (10) are received by a low-frequency receiver, where transmission activit...