Information card having multiple storage formats and read-write apparatus and method thereof

The present invention relates to information card with several storing formats and its read/write equipment and method. The information card has combined read/write features of magnetic strip, IC, RFID and other medium and the features of composite printed 2D bar code with great capacity. The substrate has attached magnet strip medium or embedded IC card, RF card and 2D bar code and the card has information data in different storing formats with stipulated relations. The information card read/write equipment includes contacting image sensor assembly, magnetic head or IC card reader and RF card reader. The read/write method includes reading in the first kind of information data and mark data in the magnetic head or IC card reader and RF card reader; scanning and decoding to obtain the second kind of information data from the 2D bar code; and comparing the two kinds of information data and checking the stipulated relations for successful reading.