DATA PROCESSING DEVICE AND METHOD FOR NON-CONTACT DATA STORAGE, AND READER FOR NON-CONTACT ID TAG FOR ADJUSTING ACCOUNTS IN RESTAURANT

摘要

PROBLEM TO BE SOLVED: To provide a device capable of reading data in respective data storage bodies even in the state of mixing plural kinds of non-contact data storages different in response sensitivity. SOLUTION: In the data processor using the readable non-contact data storage at least, the reader is provided with an exciting means for exciting an exciting coil for applying power energy to the data storage and a placing stand for transmitting stored information to the outside when power voltage is induced by the exciting means and for placing plural kinds of non-contact data storages different in response sensitivity, so that the current of the exciting coil excited by the exciting means can be varied.