Tire condition monitoring system
First Claim
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1. A tire condition monitoring system, comprising:
- a condition detector for detecting a predetermined tire condition, provided on each tire of a vehicle;
a plurality of tire condition acquisition devices having a transmission device for transmitting the detected tire condition information by electromagnetic waves;
receiving antenna for receiving the electromagnetic waves transmitted from each of the tire condition acquisition devices, wherein the receiving antenna is centrally located on the vehicle and wherein the receiving antenna comprises a plurality of receiving antennas fewer in number than the plurality of tire condition acquisition devices; and
a monitoring device, which is connected by a cable to the receiving antenna, for receiving the tire condition information transmitted from each of the tire condition acquisition devices and displaying the tire condition information for each tire;
wherein an electric field intensity display is provided for displaying an electric field intensity of the electromagnetic waves transmitted from each of the tire condition acquisition devices,wherein the electric field intensity display switches between display of electric field intensities for different tires of the vehicle, andthe electric field intensity display is configured to simultaneously display the electric field intensity and text indicating both an air pressure and temperature of a selected tire.
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Abstract
The tire condition of each tire of a vehicle is detected, which information is transmitted by means of electromagnetic waves from the tire condition acquisition devices to a monitoring device that receives the electromagnetic waves transmitted from tire condition acquisition devices via a receiving antenna, which monitoring device contains means for displaying the electric field intensity of the electromagnetic waves transmitted from the tire condition acquisition devices. Thus, the electric field intensity at a mounting position can easily be determined when mounting the receiving antenna, enabling easy discovery of the optimal location for mounting the receiving antenna.
12 Citations
15 Claims
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1. A tire condition monitoring system, comprising:
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a condition detector for detecting a predetermined tire condition, provided on each tire of a vehicle; a plurality of tire condition acquisition devices having a transmission device for transmitting the detected tire condition information by electromagnetic waves; receiving antenna for receiving the electromagnetic waves transmitted from each of the tire condition acquisition devices, wherein the receiving antenna is centrally located on the vehicle and wherein the receiving antenna comprises a plurality of receiving antennas fewer in number than the plurality of tire condition acquisition devices; and a monitoring device, which is connected by a cable to the receiving antenna, for receiving the tire condition information transmitted from each of the tire condition acquisition devices and displaying the tire condition information for each tire; wherein an electric field intensity display is provided for displaying an electric field intensity of the electromagnetic waves transmitted from each of the tire condition acquisition devices, wherein the electric field intensity display switches between display of electric field intensities for different tires of the vehicle, and the electric field intensity display is configured to simultaneously display the electric field intensity and text indicating both an air pressure and temperature of a selected tire. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A tire condition monitoring system, comprising:
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a condition detector for detecting a tire condition, provided on each tire of a vehicle; a plurality of tire condition acquisition devices on each tire having a transmission device for transmitting the detected tire condition information as signals by electromagnetic waves; a plurality of receiving antennas for receiving the electromagnetic waves transmitted from each of the tire condition acquisition devices, respectively, wherein the plurality of receiving antenna are centrally located on the vehicle and fewer in number than the plurality of tire condition acquisition devices with the transmission devices; and a monitoring device, which is connected by a cable to the plurality of receiving antennas, respectively, for receiving the tire condition information transmitted from each of the tire condition acquisition devices and simultaneously displaying the tire condition information for each tire, the monitoring device being configured to determine an electric field intensity of the signals and to use an individual signal with a greatest electric field intensity from amount the signal received by the plurality of receiving antennas for each of the tire acquisition devices; wherein an electric field intensity display is provided for displaying an electric field intensity of the electromagnetic waves transmitted from each of the tire condition acquisition devices and the electric field intensity display displays the greatest electric field intensity of the individual signal from among the electromagnetic waves received by the plurality of receiving antennas when displaying the electric field intensity of the electromagnetic waves received from each of the tire condition acquisition devices.
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15. A tire condition monitoring system, comprising:
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a condition detector for detecting a predetermined tire condition, provided on each tire of a vehicle; a plurality of tire condition acquisition devices having a transmission device for transmitting the detected tire condition information by electromagnetic waves; a receiving antenna for receiving the electromagnetic waves transmitted from the tire condition acquisition devices; and a monitoring device, which is connected by a cable to the receiving antenna, for receiving the tire condition information transmitted from each of the tire condition acquisition devices and displaying the tire condition information for each tire; wherein an electric field intensity display is provided which displays the position of the tires mounted on the vehicle as an image and an electric field intensity of the electromagnetic waves transmitted from each of the tire condition acquisition devices, the electric field intensity display switches between display of electric field intensities for different tires of the vehicle, the electric field intensity display displays a position corresponding to one of the tires elected by the switching, with increased brightness on the image as compared with positions for other of the tires, and the electric field intensity display simultaneously displays at least one of the electric field intensity, an air pressure and a temperature of the tire elected by the switching, on the same display screen at a different position from the image.
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Specification