A card reader - / writing device for common use of contactless cards and touches the cards

摘要

A data processing apparatus has a card inserting unit provided with a card inserting port for a contact type card which is disposed inside of a loop-shaped antenna through which data is transmitted to and received from a non-contact type card. Even if various kinds of cards are accessed, the sequence of accessed cards cannot be different from the sequence of cards being processed. With this arrangement, in a data processing apparatus capable of commonly using two or more kinds of cards including the contact type card and non-contact type card, the sequence of users utilizing the apparatus cannot be different from the sequence of data being processed.