JPH0315193U - - Google Patents

Info

Publication number
JPH0315193U
JPH0315193U JP7457889U JP7457889U JPH0315193U JP H0315193 U JPH0315193 U JP H0315193U JP 7457889 U JP7457889 U JP 7457889U JP 7457889 U JP7457889 U JP 7457889U JP H0315193 U JPH0315193 U JP H0315193U
Authority
JP
Japan
Prior art keywords
blackboard
view
blackboard eraser
utility
scope
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7457889U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7457889U priority Critical patent/JPH0315193U/ja
Publication of JPH0315193U publication Critical patent/JPH0315193U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す平面図、第２図
ａ，ｂは本考案の上下運動機構を示す平面図と正
面図、第３図はシートの動きと黒板消しの相対運
動を示す正面図、第４図ａ，ｂはシートと黒板消
しの相対運動の選択の違いによる黒板消しのパタ
ーンの例を示すものである。 １…上下運動機構、２…黒板消し取り付けアー
ム、３…黒板消し、２１…偏心カム、２２…回転
ソレノイド。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電子黒板において自動黒板消し機能を有する構
    造物を有することを特徴とする電子黒板。
JP7457889U 1989-06-26 1989-06-26 Pending JPH0315193U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7457889U JPH0315193U (ja) 1989-06-26 1989-06-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7457889U JPH0315193U (ja) 1989-06-26 1989-06-26

Publications (1)

Publication Number Publication Date
JPH0315193U true JPH0315193U (ja) 1991-02-15

Family

ID=31614390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7457889U Pending JPH0315193U (ja) 1989-06-26 1989-06-26

Country Status (1)

Country Link
JP (1) JPH0315193U (ja)

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