Abstract: In accordance with respective embodiments of the present invention, flexibility can be improved due to an arbitrary communication system being made available, and convenience can be improved due to visible identification information being made unnecessary. Concretely, an ID-metadata database server is prepared in which metadata in which displaying information and a communication system are described for each peripheral object are stored, and when a display apparatus detects a peripheral object in accordance with receiving a radio signal, the display apparatus acquires metadata of the detected peripheral object from the ID-metadata database server, and executes communication with a peripheral object representative server on the basis of a communication system described in the metadata.

Abstract: In accordance with respective embodiments of the present invention, flexibility can be improved due to an arbitrary communication system being made available, and convenience can be improved due to visible identification information being made unnecessary. Concretely, an ID-metadata database server is prepared in which metadata in which displaying information and a communication system are described for each peripheral object are stored, and when a display apparatus detects a peripheral object in accordance with receiving a radio signal, the display apparatus acquires metadata of the detected peripheral object from the ID-metadata database server, and executes communication with a peripheral object representative server on the basis of a communication system described in the metadata.

Abstract: An RFID tag device has a random number generator which generates a random number or a pseudo-random number, an identification information holding unit which holds identification information having a plurality of bits, a noise addition processing unit which generates noise-added identification information by conducting either of reversal from “0” of a bit decided based on the random number generated by the random number generator to “1” or reversal from “1” of the bit to “0”, among a plurality of bits included in the identification information, and a radio communication unit which transmits the noise-added identification information by radio.

Abstract: An RFID tag device has a random number generator which generates a random number or a pseudo-random number, an identification information holding unit which holds identification information having a plurality of bits, a noise addition processing unit which generates noise-added identification information by conducting either of reversal from “0” of a bit decided based on the random number generated by the random number generator to “1” or reversal from “1” of the bit to “0”, among a plurality of bits included in the identification information, and a radio communication unit which transmits the noise-added identification information by radio.

Abstract: There is provided with a wireless tag reader communicating with a plurality of wireless tags each of which retains tag information piece and a bloom filter, the wireless tag reader comprising: a transmitter configured to transmit a read request signal simultaneously to the wireless tags to request the wireless tags to read out the bloom filters; a receiver configured to receive bloom filter signals simultaneously from the wireless tags to acquire a colliding bloom filter signal; a decoder configured to decode the colliding bloom filter signal to acquire a composite bloom filter which is equivalent to logic operation OR on the bloom filters; a data storage configured to store tag information pieces; and a filter verifier configured to verify each of tag information pieces in the data storage with the composite bloom filter to detect tag information pieces for which a verification result is positive or negative.

Abstract: An RFID tag device has a random number generator which generates a random number or a pseudo-random number, an identification information holding unit which holds identification information having a plurality of bits, a noise addition processing unit which generates noise-added identification information by conducting either of reversal from “0” of a bit decided based on the random number generated by the random number generator to “1” or reversal from “1” of the bit to “0”, among a plurality of bits included in the identification information, and a radio communication unit which transmits the noise-added identification information by radio.

Abstract: In accordance with respective embodiments of the present invention, flexibility can be improved due to an arbitrary communication system being made available, and convenience can be improved due to visible identification information being made unnecessary. Concretely, an ID-metadata database server is prepared in which metadata in which displaying information and a communication system are described for each peripheral object are stored, and when a display apparatus detects a peripheral object in accordance with receiving a radio signal, the display apparatus acquires metadata of the detected peripheral object from the ID-metadata database server, and executes communication with a peripheral object representative server on the basis of a communication system described in the metadata.