发明名称 ELECTRONIC BLACKBOARD SYSTEM
摘要 PURPOSE:To record selectively only information required truly by providing a recording selecting indicating means indicating selectively whether the information stored in a storage means storing one pattern's share of a writing medium is to be recorded or not to the recording means. CONSTITUTION:The character or pattern or the like drawn on a writing medium P is read by an optical reading means 8, amplified by an amplifier 9 and converted into a digital signal by an A/D converter 10 and stored tentatively to a storage means 11 as pattern information. In requiring the recording of the pattern information stored tentatively, the operator sets a recording selecting and indicating means 18 to the position B to operate a gate means 19, the pattern information of the storage means 11 is read to the recording means 12 via the gate 19 and printed and recorded by a recording means. If no recording is required, the selecting and indicating means 18 is set to the position A to activate a clear means 20, thereby clearing the contents of the storage means 11 and awaiting the next pattern information.
申请公布号 JPS60112133(A) 申请公布日期 1985.06.18
申请号 JP19830219879 申请日期 1983.11.22
申请人 SHARP KK 发明人 YATSUNAMI KIMIO;OKUDA HIDEO
分类号 G06F3/041;B43L1/04;B43L1/08;G06F3/033;H04N1/00;H04N7/15 主分类号 G06F3/041
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