JPH01145489U - - Google Patents

Info

Publication number
JPH01145489U
JPH01145489U JP4249088U JP4249088U JPH01145489U JP H01145489 U JPH01145489 U JP H01145489U JP 4249088 U JP4249088 U JP 4249088U JP 4249088 U JP4249088 U JP 4249088U JP H01145489 U JPH01145489 U JP H01145489U
Authority
JP
Japan
Prior art keywords
characters
written
blackboard
automatically
moving
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
JP4249088U
Other languages
Japanese (ja)
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 JP4249088U priority Critical patent/JPH01145489U/ja
Publication of JPH01145489U publication Critical patent/JPH01145489U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図、第２図は本考案の一実施例の正面図、
断面図である。 １…本体、２…シート、３…ブラシ、４…スプ
リング、５…プランジヤー、６…電磁器、７…ベ
ース、８…回転ローラ、９…ブラシホルダー。 Figures 1 and 2 are front views of an embodiment of the present invention;
FIG. 1...Main body, 2...Seat, 3...Brush, 4...Spring, 5...Plunger, 6...Electromagnetic device, 7...Base, 8...Rotating roller, 9...Brush holder.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 黒板に書かれた文字を自動的に複写する電子黒
板において、文字を書いたボード面を移動させな
がら自動的に文字を消す機能を有する電子黒板。 An electronic blackboard that automatically copies characters written on a blackboard and has a function of automatically erasing characters while moving the board surface on which the characters are written.
JP4249088U 1988-03-29 1988-03-29 Pending JPH01145489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4249088U JPH01145489U (en) 1988-03-29 1988-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4249088U JPH01145489U (en) 1988-03-29 1988-03-29

Publications (1)

Publication Number Publication Date
JPH01145489U true JPH01145489U (en) 1989-10-05

Family

ID=31268901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4249088U Pending JPH01145489U (en) 1988-03-29 1988-03-29

Country Status (1)

Country Link
JP (1) JPH01145489U (en)

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