Contactless data communication system, position information management system, contactless identification tag, data communication system, contactless indentification tag control program, and data communication system control program
First Claim
1. A contactless data communication system, comprising:
- a contactless identification tag having first identification information inherent to the contactless identification tag and comprising;
a drive power generation means to generate drive power from an eletromagnetic wave used for a power supply sent from a data communication system;
an acquisition request receiving means to receive an acquisition request of the first identification information from the data communication system; and
an identification information sending means to send the first identification information to the data communication system in response to the acquisition request of the first identification information received by the acquisition request receiving mean;
the data communication system having a second identification information inherent to the data communication system comprising;
an eletromagnetic wave sending means for supplying power, which sends the eletromagnetic wave used for the power supply to the contactless identification tag;
an identification information acquisition means to acquire the first identification information from the contactless identification tag existing within an area where communication is made;
an information sending means to send the second identification information inherent to the data communication system and the first identification information acquired by the identification information acquisition means to other data communication systems;
an information acquisition means to acquire the second identification information inherent to the other data communication systems and the first identification information acquired in the other data communication systems from the other data communication systems; and
a position information computation means to compute position information of the contactless identification tag based on the second identification information and the first identification information acquired from the other data communication systems.
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Accused Products
Abstract
A contactless data communication system includes a contactless identification tag having first identification information inherent to the contactless identification tag and includes a drive power generation means to generate drive power from an electromagnetic wave used for a power supply sent from a data communication system, an acquisition request receiving means, and an identification information sending means. The contactless data communication has a second identification information inherent to the data communication system and includes an electromagnetic wave sending means, an identification information acquisition means, an information sending means, an information acquisition means, and a position information computation means.
47 Citations
20 Claims
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1. A contactless data communication system, comprising:
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a contactless identification tag having first identification information inherent to the contactless identification tag and comprising;
a drive power generation means to generate drive power from an eletromagnetic wave used for a power supply sent from a data communication system;
an acquisition request receiving means to receive an acquisition request of the first identification information from the data communication system; and
an identification information sending means to send the first identification information to the data communication system in response to the acquisition request of the first identification information received by the acquisition request receiving mean;
the data communication system having a second identification information inherent to the data communication system comprising;
an eletromagnetic wave sending means for supplying power, which sends the eletromagnetic wave used for the power supply to the contactless identification tag;
an identification information acquisition means to acquire the first identification information from the contactless identification tag existing within an area where communication is made;
an information sending means to send the second identification information inherent to the data communication system and the first identification information acquired by the identification information acquisition means to other data communication systems;
an information acquisition means to acquire the second identification information inherent to the other data communication systems and the first identification information acquired in the other data communication systems from the other data communication systems; and
a position information computation means to compute position information of the contactless identification tag based on the second identification information and the first identification information acquired from the other data communication systems. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 20)
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10. A contactless identification tag, comprising:
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first identification information that is identification information inherent to the contactless identification tag;
a drive power generation means to generate drive power from an eletromagnetic wave used for a power supply sent from a data communication system;
an acquisition request receiving means to receive an acquisition request of the first identification information from the data communication system; and
an identification information sending means to send the first identification information to the data communication system in response to the acquisition request of the first identification information received by the acquisition request receiving means.
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11. A data communication system, comprising:
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second identification information that is identification information inherent to the data communication system;
an eletromagnetic wave sending means for supplying power, which sends eletromagnetic wave used for a power supply to a contactless identification tag;
an identification information acquisition means to acquire first identification information from the contactless identification tag existing within an area where communication is made;
an information sending means to send the second identification information inherent to the data communication system and the first identification information acquired by the identification information acquisition means to other data communication systems;
an information acquisition means to acquire the second identification information inherent to the other data communication systems and the first identification information acquired in the other data communication systems from the other data communication systems; and
a position information computation means to compute position information of the contactless identification tag based on the second identification information and the first identification information acquired from other data communication systems. - View Dependent Claims (12, 13)
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14. A program for controlling a contactless identification tag, comprising:
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an acquisition request receiving step to receive an acquisition request of first identification information from a data communication system; and
an identification information sending step to send the first identification information to the data communication system in response to the acquisition request of the first identification information from the data communication system, received at the acquisition request receiving step.
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15. A program for controlling a data communication system, comprising:
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a sending step of an eletromagnetic wave used for a power supply, which sends an eletromagnetic wave used for a power supply to a contactless identification tag;
an identification information acquisition step to acquire first identification information from the contactless identification tag existing within an area where communication can be made;
an information sending step to send second identification information inherent to a data communication system and the first identification information acquired to other data communication systems at the identification information acquisition step;
an information acquisition step to acquire the second identification information inherent to the other data communication systems and the first identification information acquired in the other data communication systems from the other data communication systems; and
a position information computation step to compute position information of the contactless identification tag based on the second identification information and the first identification information acquired from other data communication systems. - View Dependent Claims (16, 17)
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18. A contactless data communication system, comprising:
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a contactless identification tag having first identification information inherent to the contactless identification tag and comprising;
a drive power generation device to generate drive power from an eletromagnetic wave used for a power supply sent from a data communication system;
an acquisition request receiving device to receive an acquisition request of the first identification information from the data communication system; and
an identification information sending device to send the first identification information to the data communication system in response to the acquisition request of the first identification information received by the acquisition request receiving device;
the data communication system having a second identification information inherent to the data communication system comprising;
an eletromagnetic wave sending device for supplying power, which sends the eletromagnetic wave used for the power supply to the contactless identification tag;
an identification information acquisition device to acquire the first identification information from the contactless identification tag existing within an area where communication is made;
an information sending device to send the second identification information inherent to the data communication system and the first identification information acquired by the identification information acquisition means to other data communication systems;
an information acquisition device to acquire the second identification information inherent to the other data communication systems and the first identification information acquired in the other data communication systems from the other data communication systems; and
a position information computation device to compute position information of the contactless identification tag based on the second identification information and the first identification information acquired from the other data communication systems. - View Dependent Claims (19)
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Specification