| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information writing device for independently driving a printing head and an erasing head, and for making them attachable/detachable for simplifying their maintenance and a medium issuing device equipped with this device. <P>SOLUTION: This information wiring device 70 is provided with at least a conveyance path 30 on which a card-shaped medium 2 is conveyed; a printing head 71 for printing character information on a medium 2; an erasing head 72 for erasing the character information of the medium 2; a printing head driving device 74 for pressurizing or saving the printing head 71 to the medium 2; and an erasing head driving device 73 for pressurizing or saving the erasing head 72 to the medium 2, wherein a printing mechanism including the printing head 71 and the printing head driving device 74 and an erasing mechanism including the erasing head 72 and the erasing head driving device 73 are arranged symmetrily with a center line before and behind the conveyance direction of the conveyance path 30. <P>COPYRIGHT: (C)2008,JPO&INPIT |
