| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To achieve reading and recording of written data especially using absolute position information in a writing system capable of storing the written data by arranging the writing system on a blackboard and a wall surface while performing writing and erasing without being restricted by writing or printing time. <P>SOLUTION: The writing recording system includes a transparent writing sheet having a position information pattern attached to a rear surface, a resin sheet arranged oppositely to the rear surface of the writing sheet, and a marker device for writing data on the front surface of the writing sheet. The marker device includes an optical reading means for detecting the position information pattern, an operation means for calculating writing locus data from the positional information and a storage device for storing the writing locus data. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
