| 摘要 |
<p>PURPOSE:To eliminate the need for writing of a content written on a blackboard by reading a character or the like by means of an optical reading means arranged on a prescribed location to a writing medium held through winding, amplifying its information signal, converting it into a digital signal and recording it. CONSTITUTION:A writing medium P such as a blackboard is suspended between a hold means 1 and a winding shaft 61 of a write means 2, a pattern information signal of an optical read means 11 arranged near the means 2 is fed to a recording means 7 via an amplifier 12 and an A/D conversion means 13 and recorded on a recording paper sheet S. Then the shaft 61 is driven by a motor 6 based on the command of a command means 3 of the means 2 and the signal is recorded sequentially.</p> |
