| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a form for a pen type input device, in which a detection marker is not conspicuous while the pen type input device can correctly detect it, has no fault to spoil the appearance of a whole document, and print errors such as lack and misregistration of dots can be surely tested with a simple method. <P>SOLUTION: A detection marker 14 for detecting the contents of writing by a camera function part 4 of the pen type input device is formed using ink containing infrared absorption pigment and ultraviolet rays luminescent. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
