System and method for remote tire pressure monitoring with low frequency initiation
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60C-02300
B60C-02302
G08B-01314
출원번호
US-0323546
(2002-12-18)
발명자
/ 주소
Ghabra, Riad
Nantz, John S.
Tang, Qingfeng
Khreizat, Salman
출원인 / 주소
Lear Corporation
인용정보
피인용 횟수 :
24인용 특허 :
115
초록▼
A system for remote monitoring of vehicle tire pressure includes monitors mounted in the tires, each including a tire pressure sensor, a transmitter for transmitting a tire pressure signal, a battery for the transmitter, and a receiver for receiving an initiation signal. Initiators are mounted on-bo
A system for remote monitoring of vehicle tire pressure includes monitors mounted in the tires, each including a tire pressure sensor, a transmitter for transmitting a tire pressure signal, a battery for the transmitter, and a receiver for receiving an initiation signal. Initiators are mounted on-board the vehicle, each initiator associated with one of the tire monitors. Each initiator is for use in generating a low frequency initiation signal for receipt by a tire receiver to cause the transmitter to transmit a tire pressure signal. A vehicle mounted controller activates the initiators in order to generate the low frequency initiation signals, and processes the tire pressure signals to convey tire pressure information to a user. The controller further activates the initiators in order to generate a low frequency electromagnetic field for use in recharging the batteries in the tire monitors.
대표청구항▼
1. A system for remote monitoring of tire pressure in a vehicle having a plurality of tires, the system comprising:a plurality of tire monitors, each monitor for mounting in one of the plurality of tires, each monitor comprising a sensor for sensing tire pressure, a transmitter for transmitting a si
1. A system for remote monitoring of tire pressure in a vehicle having a plurality of tires, the system comprising:a plurality of tire monitors, each monitor for mounting in one of the plurality of tires, each monitor comprising a sensor for sensing tire pressure, a transmitter for transmitting a signal representative of the sensed tire pressure, a battery for providing power to the transmitter, and a receiver for receiving an initiation signal; a plurality of initiators, each initiator for mounting on-board the vehicle for association with one of the plurality of tire monitors, each initiator for use in generating a low frequency initiation signal for receipt by an associated receiver, the initiation signal causing the associated transmitter to transmit a tire pressure signal; a vehicle receiver for mounting on-board the vehicle for receiving the tire pressure signals transmitted by the transmitters; and a controller for mounting on-board the vehicle, the controller to be provided in communication with the plurality of initiators and the receiver, the controller for activating each of the plurality of initiators in order to generate the low frequency initiation signal and for processing the tire pressure signals received by the vehicle receiver to convey tire pressure information to a user, the controller further for activating each initiator in order to generate a low frequency electromagnetic field for use in recharging the battery in the associated tire pressure monitor; wherein each transmitter transmits a low battery power status signal for receipt by the vehicle mounted receiver when the power of the associated battery falls below a predetermined threshold, and the controller activates the associated initiator to generate the low frequency electromagnetic field to recharge the associated battery in response to receipt of the low battery power status signal. 2. The system of claim 1 wherein each transmitter transmits a tire pressure signal only in response to an initiation signal.3. The system of claim 2 wherein the controller activates the plurality of initiators in a predetermined fashion to eliminate data collision.4. The system of claim 1 wherein each initiation signal comprises instructions for use in controlling transmission of tire pressure signals by the associated transmitter.5. The system of claim 4 wherein, to conserve battery power, the initiation signal instructions control tire pressure signal transmission according to a predetermined time period based on at least one vehicle parameter.6. The system of claim 1 wherein each of the plurality of tires has a location associated therewith, and the controller activates the plurality of initiators so that each tire pressure signal is automatically associated with one of the tire locations.7. The system of claim 6 further comprising a display for mounting in the vehicle, the display for use by the controller to covey tire pressure and location information to a user.8. A method for remote monitoring of tire pressure in a vehicle having a plurality of tires, the method comprising:providing a plurality of tire monitors, each monitor for mounting in one of the plurality of tires, each monitor comprising a sensor for sensing tire pressure, a transmitter for transmitting a signal representative of the sensed tire pressure, a battery for providing power to the transmitter, and a receiver for receiving an initiation signal; providing a plurality of initiators, each initiator for mounting on-board the vehicle for association with one of the plurality of tire monitors, each initiator for use in generating a low frequency initiation signal for receipt by an associated receiver, the initiation signal causing the associated transmitter to transmit a tire pressure signal; and providing a controller for mounting on-board the vehicle, the controller to be provided in communication with the plurality of initiators, the controller for activating each of the plurality of initiators in order to generate the low frequency initiation signal and for processing the tire pressure signals to convey tire pressure information to a user, the controller further for activating each initiator in order to generate a low frequency electromagnetic field for use in recharging the battery in the associated tire pressure monitors; wherein each transmitter transmits a low battery power status signal when the power of the associated battery falls below a predetermined threshold, and the controller activates the associated initiator to generate the low frequency electromagnetic field to recharge the associated battery in response to the low battery power status signal. 9. The method of claim 8 wherein each transmitter transmits a tire pressure signal only in response to an initiation signal.10. The method of clam 9 wherein each initiation signal comprises instructions for use in controlling transmission of tire pressure signals by the associated transmitter, the instructions controlling tire pressure signal transmission according to a predetermined time period based on at least one vehicle parameter.11. The method of claim 9 wherein the controller activates the plurality of initiators in a predetermined fashion to eliminate data collision.12. The method of claim 8 further comprising providing a receiver for mounting on-board the vehicle and to be provided in communication with the controller, the receiver for receiving the tire pressure signals transmitted by the transmitters.13. The method of claim 8 wherein each of the plurality of tires has a location associated therewith, and the controller activates the plurality of initiators so that each tire pressure signal is automatically associated with one of the tire locations.14. A method for remote monitoring of tire pressure in a vehicle having a plurality of tires, the method comprising:generating, using an initiator mounted on the vehicle and associated with one of the plurality of tires, a low frequency initiation signal; receiving the low frequency initiation signal at a receiver mounted in the one of the plurality of tires; transmitting, from a transmitter mounted in the one of the plurality of tires and powered by a battery, a signal representative of a sensed tire pressure in response to receipt by the receiver of the low frequency initiation signal; processing, at a controller mounted on the vehicle, the tire pressure signal to convey tire pressure information to a user; and generating, using the initiator, a low frequency electromagnetic field for use in recharging the battery in the transmitter; wherein the initiation signal comprises instructions for use in controlling transmission of tire pressure signals by the transmitter, the instructions controlling tire pressure signal transmission according to a predetermined time period based on at least one vehicle parameter. 15. The method of claim 14 wherein the transmitter transmits a tire pressure signal only in response to an initiation signal.16. The method of claim 14 wherein the controller activates the plurality of initiators in a predetermined fashion to eliminate data collision.17. The method of claim 14 wherein each of the plurality of tires has a location associated therewith, and the controller activates the plurality of initiators so that each tire pressure signal is automatically associated with one of the tire locations.18. A system for remote monitoring of tire pressure in a vehicle having a plurality of tires, the system comprising:a plurality of tire monitors, each monitor for mounting in one of the plurality of tires, each monitor comprising a sensor for sensing tire pressure, a transmitter for transmitting a signal representative of the sensed tire pressure, a battery for providing power to the transmitter, and a receiver for receiving an initiation signal; a plurality of initiators, each initiator for mounting on-board the vehicle for association with one of the plurality of tire monitors, each initiator for use in generating a low frequency initiation signal for receipt by an associated receiver, the initiation signal causing the associated transmitter to transmit a tire pressure signal, the initiation signal comprising instructions for use in controlling transmission of tire pressure signals by the associated transmitter according to a predetermined time period based on at least one vehicle parameter; a vehicle receiver for mounting on-board the vehicle for receiving the tire pressure signals transmitted by the transmitters; and a controller for mounting on-board the vehicle, the controller to be provided in communication with the plurality of initiators and the receiver, the controller for activating each of the plurality of initiators in order to generate the low frequency initiation signal and for processing the tire pressure signals received by the vehicle receiver to convey tire pressure information to a user, the controller further for activating each initiator in order to generate a low frequency electromagnetic field for use in recharging the battery in the associated tire pressure monitor. 19. A method for remote monitoring of tire pressure in a vehicle having a plurality of tires, the method comprising:providing a plurality of tire monitors, each monitor for mounting in one of the plurality of tires, each monitor comprising a sensor for sensing tire pressure, a transmitter for transmitting a signal representative of the sensed tire pressure, a battery for providing power to the transmitter, and a receiver for receiving an initiation signal; providing a plurality of initiators, each initiator for mounting on-board the vehicle for association with one of the plurality of tire monitors, each initiator for use in generating a low frequency initiation signal for receipt by an associated receiver, the initiation signal causing the associated transmitter to transmit a tire pressure signal, wherein the initiation signal comprises instructions for use in controlling transmission of tire pressure signals by the associated transmitter according to a predetermined time period based on at least one vehicle parameter; and providing a controller for mounting on-board the vehicle, the controller to be provided in communication with the plurality of initiators, the controller for activating each of the plurality of initiators in order to generate the low frequency initiation signal and for processing the tire pressure signals to convey tire pressure information to a user, the controller further for activating each initiator in order to generate a low frequency electromagnetic field for use in recharging the battery in the associated tire pressure monitor. 20. A system for remote monitoring of tire pressure in a vehicle having a plurality of tires, the system comprising:a tire monitor for mounting in one of the plurality of tires, the monitor comprising a transmitter for transmitting a signal representative of a sensed tire pressure, and a receiver; and an initiator for mounting on-board the vehicle and to be associated with the one of the plurality of tires, wherein the initiator is for use in generating a low frequency initiation signal for receipt by the receiver, the initiation signal for use in causing the transmitter to transmit a tire pressure signal and including instructions for use in controlling transmission of the tire pressure signal according to a predetermined time period based on at least one vehicle parameter.
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이 특허에 인용된 특허 (115)
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