| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To accurately inspect a presentation image storage means storing presentation image data. <P>SOLUTION: An inspection operation control means 311 comprises a bit data reading means for specifying all of a plurality of addresses by using an address line and reading bit data from a data area corresponding to all the specified addresses, an error control code computing means for computing an error control code on the plurality of bit data repeatedly read by the bit data reading means, and an error control code comparing means for comparing the computed error control code and the true value of the error control code on the repeatedly read bit data. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
