RFID TAG AND COMMUNICATION METHOD
First Claim
1. An RFID tag that communicates information with an RFID reader/writer, the RFID tag comprising:
- a receiving unit that receives ID information;
a memory unit that stores the ID information;
a table that stores a correspondence relation between a change in the ID information and a moving direction;
a determining unit that refers to the table to determine a moving direction from ID information received by the receiving unit and previously received ID information stored in the memory unit; and
a signal generating unit that sends an interruption signal to a control unit driven by electric power supplied from a battery when the moving direction is determined by the determining unit, and stops generating the interruption signal when the moving direction is not determined by the determining unit.
1 Assignment
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Accused Products
Abstract
An RFID tag that communicates information with an RFID reader/writer includes a receiving unit that receives ID information; a memory unit that stores the ID information; a table that stores a correspondence relation between a change in the ID information and a moving direction; a determining unit that refers to the table to determine a moving direction from ID information received by the receiving unit and previously received ID information stored in the memory unit; and a signal generating unit that sends an interruption signal to a control unit driven by electric power supplied from a battery when the moving direction is determined by the determining unit, and stops generating the interruption signal when the moving direction is not determined by the determining unit.
19 Citations
20 Claims
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1. An RFID tag that communicates information with an RFID reader/writer, the RFID tag comprising:
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a receiving unit that receives ID information; a memory unit that stores the ID information; a table that stores a correspondence relation between a change in the ID information and a moving direction; a determining unit that refers to the table to determine a moving direction from ID information received by the receiving unit and previously received ID information stored in the memory unit; and a signal generating unit that sends an interruption signal to a control unit driven by electric power supplied from a battery when the moving direction is determined by the determining unit, and stops generating the interruption signal when the moving direction is not determined by the determining unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An RFID tag communicating method for communicating information with an RFID reader/writer, the RFID tag communicating method comprising:
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receiving, by a receiving unit, ID information; storing, in a memory unit, the ID information; storing, in a table, a correspondence relation between a change in the ID information and a moving direction; referring, by a determining unit, to the table to determine a moving direction from ID information received by the receiving unit and previously received ID information stored in the memory unit; and sending, by a signal generating unit, an interruption signal to a control unit driven by electric power supplied from a battery when the moving direction is determined by the determining unit, and stops generating the interruption signal when the moving direction is not determined by the determining unit. - View Dependent Claims (20)
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Specification