| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the following problem: in a system where a plurality of card slots share respective signal lines and are connected to one controller, when voltage is normally supplied simultaneously, inrush current flows when the plurality of cards are inserted to cause damage to a memory card. <P>SOLUTION: The printer is provided with card insertion detection signals respectively and, when the plurality of cards are inserted simultaneously, power supply the cards are supplied with is turned off to protect built-in data. <P>COPYRIGHT: (C)2010,JPO&INPIT |
