| 摘要 |
<P>PROBLEM TO BE SOLVED: To radiate power efficiently from a reader antenna and prolong a life of a coaxial cable in a structure for moving the reader antenna. <P>SOLUTION: This wireless tag reader is provided with a guide 17, carriages 18, 19 moving on the guide, an interrogator 11 mounted on the carriage, and the reader antenna 12 connected to the interrogator through the coaxial cable 13. Upon moving the carriages 18, 19, the interrogator 11 and the reader antenna 12 are integrally moved, the reader antenna radiates an electric wave by output from the interrogator 11 to read a tag ID from the plurality of the wireless tags arranged in a position opposite to the reader antenna. <P>COPYRIGHT: (C)2007,JPO&INPIT |
