Reader/writer and RFID system
A technology for writing signals and wireless tags, applied in the field of read/write processing, which can solve the problems of reducing the overlapping of response signals of multiple transponders, unable to extend the allowable communication time between tags and antennas, and the inability to expand the allowable communication range.
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[0054] Exemplary embodiments of the present invention are described below with reference to the drawings. It should be noted that the present invention is not limited to these Examples.
[0055] FIG. 1 is a schematic diagram for explaining the concept of an RFID system according to the present invention. The RFID system includes a wireless tag 1, a plurality of antennas (although only two antennas 2X and 2Y are shown in the figure), a reader / writer 10, and a data processing unit such as a personal computer (PC) 5 .
[0056] The tag 1 is attached to the mobile object 50 . The moving object 50 is an object conveyed on the conveyor belt. Thus, the moving object 50 may be an item manufactured on a production line, or an item distributed by means of a conveyor belt. In addition, the mobile object can also be air luggage in the airport.
[0057] The reader / writer 10 reads information from the tag 1 or writes information to the tag 1 through the antennas 2X and 2Y. The antennas ...
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Abstract
Description
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