| 摘要 |
PROBLEM TO BE SOLVED: To improve efficiency and to attain certainty by reducing the infiltration of noises from the outside under read position control in a system for reading the recoding information of an IC chip with no contact. SOLUTION: A projecting wall is provided in the read plane end area of a placing plate embedded with the exciting coil and receiving coil of an RFID type and at one part of this projecting wall, a presence/absence sensor for a read object is provided. Plural receiving coils are piled up while deviating each of them. |
