System for the dynamic reading of data from transponders
First Claim
1. A system for dynamically reading data from transponders of tires disposed laterally on a same side of a vehicle, the system comprising:
- system antennas arranged to receive data transmitted by the transponders of the tires;
a sensor for each of the system antennas, each sensor being positioned upstream of an effective reading area covered by a corresponding system antenna, and each sensor being structured to emit a tire-passage signal associated with passage of a tire of the vehicle;
a reader arranged to couple to the system antennas to read and store the data from the transponders;
a controllable switch positioned between the system antennas and the reader to enable a selective coupling between the reader and each of the system antennas; and
a logic controller programmed to control the switch as a function of the tire-passage signals emitted by the sensors,wherein each of the system antennas has an effective reading distance in a direction of travel of the vehicle, with a spacing between two of the system antennas being equal to or less than half of a sum of the effective reading distances of the two of the system antennas.
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Accused Products
Abstract
A system is provided for dynamically reading data from transponders of tires disposed laterally on a same side of a vehicle. The system includes antennas, a sensor for each antenna, a reader, a controllable switch, and a programmable logic controller. The antennas are arranged to receive data transmitted by the transponders. Each sensor is positioned upstream of an effective reading area covered by a corresponding one of the antennas, and each sensor transmits a signal associated with passage of a tire. The reader is arranged to couple to the antennas in order to read and store data from the transponders. The switch is positioned between the antennas and the reader to provide a selective coupling between the reader and each of the antennas. The controller controls the switch as a function of wheel-passage sensor signals.
25 Citations
19 Claims
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1. A system for dynamically reading data from transponders of tires disposed laterally on a same side of a vehicle, the system comprising:
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system antennas arranged to receive data transmitted by the transponders of the tires; a sensor for each of the system antennas, each sensor being positioned upstream of an effective reading area covered by a corresponding system antenna, and each sensor being structured to emit a tire-passage signal associated with passage of a tire of the vehicle; a reader arranged to couple to the system antennas to read and store the data from the transponders; a controllable switch positioned between the system antennas and the reader to enable a selective coupling between the reader and each of the system antennas; and a logic controller programmed to control the switch as a function of the tire-passage signals emitted by the sensors, wherein each of the system antennas has an effective reading distance in a direction of travel of the vehicle, with a spacing between two of the system antennas being equal to or less than half of a sum of the effective reading distances of the two of the system antennas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A system for dynamically reading data from transponders of tires disposed laterally on a same side of a vehicle, the system comprising:
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system antennas arranged to receive data transmitted by the transponders of the tires; a sensor for each of the system antennas, each sensor being positioned upstream of an effective reading area covered by a corresponding system antenna, and each sensor being structured to emit a tire-passage signal associated with passage of a tire of the vehicle; a reader arranged to couple to the system antennas to read and store the data from the transponders; a controllable switch positioned between the system antennas and the reader to enable a selective coupling between the reader and each of the system antennas; and a logic controller programmed to control the switch as a function of the tire-passage signals emitted by the sensors, wherein the controllable switch is structured to activate reading of data from a transponder of a first tire by a first antenna when a triggering signal is detected indicating entry of the first tire into an effective reading area of the first antenna, and wherein, when a second antenna is activated by the controllable switch, in order to read data from the transponder of the first tire, if a triggering signal is detected indicating entry of a new tire into the effective reading area of the first antenna, the controllable switch maintains the second antenna in an activated state until a triggering signal is detected indicating exit of the first tire from an effective reading area of the second antenna.
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19. A portal for obtaining data from vehicles, the portal comprising a reading system for dynamically reading data from transponders of tires disposed laterally on a same side of a vehicle, the reading system including:
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system antennas arranged to receive data transmitted by the transponders of the tires; a sensor for each of the system antennas, each sensor being positioned upstream of an effective reading area covered by a corresponding system antenna, and each sensor being structured to emit a tire-passage signal associated with passage of a tire of the vehicle; a reader arranged to couple to the system antennas to read and store the data from the transponders; a controllable switch positioned between the system antennas and the reader to enable a selective coupling between the reader and each of the system antennas; and a logic controller programmed to control the switch as a function of the tire-passage signals emitted by the sensors, wherein the portal is disposed along a travel path of the vehicles, wherein the reading system is positioned on a first side or a second side of the travel path, and wherein each of the system antennas has an effective reading distance in a direction of travel of the vehicle, with a spacing between two of the system antennas being equal to or less than half of a sum of the effective reading distances of the two of the system antennas.
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Specification