Tire pressure monitoring system
First Claim
1. A tire pressure monitoring system comprising:
- a plurality of tire-based transmitting and receiving devices respectively installed at tire interior spaces defined by a plurality of tires and a plurality of wheels provided at a vehicle, each tire-based transmitting and receiving device having;
an air pressure measuring means measuring pressure of the tire interior space;
a tire based transmitting means transmitting, to an exterior portion, unique identification information specified to the tire-based transmitting and receiving device and measurement information of the air pressure measuring means;
a tire based receiving means receiving a transmission request from the exterior portion for transmitting the identification information and the measurement information; and
a tire based controlling means performing information transmitting processing for the tire based transmitting means to transmit the identification information and the measurement information to the exterior portion when the tire based receiving means receives the transmission request,a vehicle body-based transmitting and receiving device installed at a vehicle body having;
a plurality of vehicle body-based receiving means receiving the identification information and the measurement information transmitted from the tire-based transmitting and receiving devices;
a plurality of vehicle body-based transmitting means transmitting the transmission requests to the tire-based transmitting and receiving devices; and
a vehicle body-based controlling means performing information receiving processing for the vehicle body-based receiving means to receive the identification information and the measurement information and request transmitting processing for the vehicle body-based transmitting means to transmit the transmission requests,wherein the vehicle body-based transmitting means are less in quantity than the tire-based transmitting and receiving devices and are divided into plural transmitting groups, each of which transmitting group has at least one of the vehicle body-based transmitting means, and the request transmitting processing is implemented on a per transmitting group basis,wherein the vehicle body-based receiving means are less in quantity than the tire-based transmitting and receiving devices and are divided into plural receiving groups, each of which receiving group has at least one of the vehicle body-based receiving means, and the identification information and the measurement information, which are transmitted from the tire-based transmitting and receiving devices, are received on a per receiving group basis, wherein a relational expression (2m−
1)×
(2n−
1)≧
t is satisfied with a variable t representing the number of the tire-based transmitting and receiving devices, a variable m representing the number of the transmitting groups and a variable n representing the number of the receiving groups,each tire-based transmitting and receiving device is configured to receive the transmission request from the vehicle body-based transmitting means of any one of the transmitting groups, the identification information and the measurement information transmitted from the tire-based transmitting and receiving device is received by the vehicle body-based receiving means of any one of the receiving groups, and each tire-based transmitting and receiving device has a different combination of the transmitting group of the vehicle body-based transmitting means that transmits the transmission request receivable by the tire-based transmitting and receiving device and the receiving group of the vehicle body-based receiving means which receives the identification information and the measurement information transmitted from the tire-based transmitting and receiving device.
1 Assignment
0 Petitions
Accused Products
Abstract
A tire pressure monitoring system includes tire-based transmitting and receiving devices and a vehicle body-based transmitting and receiving device having vehicle body-based receiving means, vehicle body-based transmitting means, wherein (2m−1)×(2n−1)≧t is satisfied with t, m and n representing the number of the tire-based transmitting and receiving devices, the number of vehicle body-based transmitting groups and the number of vehicle body-based receiving groups respectively, each tire-based transmitting and receiving device receives the transmission request from any one of the vehicle body-based transmitting groups, the information transmitted from the tire-based transmitting and receiving device is received by any one of the vehicle body-based receiving groups, and each tire-based transmitting and receiving device has a different combination of the groups of the vehicle body-based transmitting means and the vehicle body-based receiving means.
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Citations
15 Claims
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1. A tire pressure monitoring system comprising:
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a plurality of tire-based transmitting and receiving devices respectively installed at tire interior spaces defined by a plurality of tires and a plurality of wheels provided at a vehicle, each tire-based transmitting and receiving device having; an air pressure measuring means measuring pressure of the tire interior space; a tire based transmitting means transmitting, to an exterior portion, unique identification information specified to the tire-based transmitting and receiving device and measurement information of the air pressure measuring means; a tire based receiving means receiving a transmission request from the exterior portion for transmitting the identification information and the measurement information; and a tire based controlling means performing information transmitting processing for the tire based transmitting means to transmit the identification information and the measurement information to the exterior portion when the tire based receiving means receives the transmission request, a vehicle body-based transmitting and receiving device installed at a vehicle body having; a plurality of vehicle body-based receiving means receiving the identification information and the measurement information transmitted from the tire-based transmitting and receiving devices; a plurality of vehicle body-based transmitting means transmitting the transmission requests to the tire-based transmitting and receiving devices; and a vehicle body-based controlling means performing information receiving processing for the vehicle body-based receiving means to receive the identification information and the measurement information and request transmitting processing for the vehicle body-based transmitting means to transmit the transmission requests, wherein the vehicle body-based transmitting means are less in quantity than the tire-based transmitting and receiving devices and are divided into plural transmitting groups, each of which transmitting group has at least one of the vehicle body-based transmitting means, and the request transmitting processing is implemented on a per transmitting group basis, wherein the vehicle body-based receiving means are less in quantity than the tire-based transmitting and receiving devices and are divided into plural receiving groups, each of which receiving group has at least one of the vehicle body-based receiving means, and the identification information and the measurement information, which are transmitted from the tire-based transmitting and receiving devices, are received on a per receiving group basis, wherein a relational expression (2m−
1)×
(2n−
1)≧
t is satisfied with a variable t representing the number of the tire-based transmitting and receiving devices, a variable m representing the number of the transmitting groups and a variable n representing the number of the receiving groups,each tire-based transmitting and receiving device is configured to receive the transmission request from the vehicle body-based transmitting means of any one of the transmitting groups, the identification information and the measurement information transmitted from the tire-based transmitting and receiving device is received by the vehicle body-based receiving means of any one of the receiving groups, and each tire-based transmitting and receiving device has a different combination of the transmitting group of the vehicle body-based transmitting means that transmits the transmission request receivable by the tire-based transmitting and receiving device and the receiving group of the vehicle body-based receiving means which receives the identification information and the measurement information transmitted from the tire-based transmitting and receiving device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A tire pressure monitoring system comprising:
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a plurality of tire-based transmitting and receiving devices respectively installed at tire interior spaces defined by a plurality of tires and a plurality of wheels provided at a vehicle, each tire-based transmitting and receiving device including; a tire information measuring means measuring at least pressure of the tire interior space; a tire based transmitting means wirelessly transmitting, to an exterior portion, identification information uniquely specified to the tire-based transmitting and receiving device and measurement information of the tire information measuring means; a tire based receiving means receiving a transmission request from the exterior portion for transmitting the identification information and the measurement information; and a tire based controlling means performing information transmitting processing for the tire based transmitting means to transmit the identification information and the measurement information to the exterior portion when the tire based receiving means receives the transmission request, a vehicle body-based transmitting and receiving device installed at a vehicle body having; one or more vehicle body-based receiving means receiving the identification information and the measurement information transmitted from the tire-based transmitting and receiving devices; two or more vehicle body-based transmitting means transmitting the transmission requests to the tire-based transmitting and receiving devices; and a vehicle body-based controlling means performing information receiving processing for the vehicle body-based receiving means to receive the identification information and the measurement information and request transmitting processing for the vehicle body-based transmitting means to transmit the transmission requests, wherein the two or more vehicle body-based transmitting means are less in quantity than the tire-based transmitting and receiving devices and are arranged so that each tire-based transmitting and receiving device has a different combination of the vehicle body-based transmitting means from among two or more vehicle body-based transmitting means which transmit the transmitting requests received by the one tire-based transmitting and receiving device from among the tire-based transmitting and receiving devices, the vehicle based controlling means determines installation positions of the tire-based transmitting and receiving devices in the vehicle based on a combination of one and more identification information received by the one or more vehicle body-based receiving means when the transmission requests are respectively transmitted from the two or more vehicle body-based transmitting means. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification