| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve a problem that, when a memory card or the like has electronic paper and when displaying an internal state, a display content of the electronic paper does not accord with the internal state of the memory card when a host apparatus not having a means updating electronic paper display changes the internal state of the memory card. <P>SOLUTION: The memory card 100 detachable and attachable from/to the host apparatus includes: a memory means 140 allowing the writing or erasing of data; an electronic paper means 160 displaying information related to the internal state of the memory means 140; and a display control means 150 making the display of the electronic paper means 160 ineffective according to an instruction of the writing or the erasing from the host apparatus. Thereby, the memory card prevents erroneous information display. By recalculating correct information after the writing or the erasing and combining it with the host apparatus instructing the display on the electronic paper means 160, the correct information is displayed. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
