About 40 results
https://drivepatents.com/patents/1000628 · 4 Jul 2012
Disclosed herein are an apparatus and a method for automatically recognizing a position of a wheel of a vehicle. The apparatus includes a rotation sensor unit sensing a variation in rotation of the wheel of the vehicle; a pressure sensor unit sensing a rat...
https://drivepatents.com/patents/1013587 · 27 Apr 2011
A tire monitoring system and associated method is disclosed. The tire monitoring system includes a plurality of tire sensor modules configured to transmit tire data in a wireless fashion at a predetermined time interval. The system also includes a vehicle ...
https://drivepatents.com/patents/1066417 · 14 Jun 2006
The method involves equipping a magnetic sensor e.g. low frequency antenna (4) to each wheel (2) of a vehicle. A signal is measured at the terminals of the sensors to deliver a signal representing variations of magnetic field values detected by them. Infor...
https://drivepatents.com/patents/1069583 · 1 Mar 2006
A tire condition monitoring apparatus comprises transmitters (15) and a receiver (16). Each transmitter (15) is provided in a tire (14) and the receiver (16) is provided in a body frame (13) of a vehicle (12). The apparatus further comprises initiators (22...
https://drivepatents.com/patents/1070731 · 18 Jan 2006
To recognize the positions of wheel modules (M1-M4), at a vehicle (F), the condition values of the wheels (R1-R4) are established and signals giving data (11-14) are transmitted on signal paths (S1-S4) as an enhanced wheel identification to a signal receiv...
https://drivepatents.com/patents/1070724 · 18 Jan 2006
A tire air pressure monitoring system is provided that comprises a transmitting device (21, 22, 23 or 24, and 121, 122, 123 or 124), a receiving device (52), and a tire identification number registration device (70). The transmitting device (21, 22, 23 or ...
https://drivepatents.com/patents/1072662 · 9 Nov 2005
The system has transmission control units (18, 19, 18`, 19`) controlling transmission of pressure signals from transmitters (13) when their associated wheels present predetermined orientations. A calculation module calculates the distance covered by each w...
https://drivepatents.com/patents/1076312 · 29 Jun 2005
In a vehicular smart entry system, it is to shorten a delay time from the time a trigger occurred to the time a locking/unlocking operation of a door is performed. When a request signal is transmitted from a transmission antenna at a position where the tri...
https://drivepatents.com/patents/1081942 · 1 Dec 2004
The transmitter (30) has a transmission circuit generating a signal containing data that represents a measured air pressure. A magnetic ring (72) magnetizes magnetic pieces (62a, 62b), where the position of the ring relative to the pieces is changed. A mag...
https://drivepatents.com/patents/1082375 · 17 Nov 2004
A vehicle-state obtaining apparatus having (a) a sensing device (10-16) including at least one sensor (50) detecting a state of a vehicle and operable to transmit, by radio communication, sensor information including the vehicle state detected by the senso...