JPH0227390U - - Google Patents

Info

Publication number
JPH0227390U
JPH0227390U JP10576388U JP10576388U JPH0227390U JP H0227390 U JPH0227390 U JP H0227390U JP 10576388 U JP10576388 U JP 10576388U JP 10576388 U JP10576388 U JP 10576388U JP H0227390 U JPH0227390 U JP H0227390U
Authority
JP
Japan
Prior art keywords
whiteboard
image signal
projector
conferences
calligraphy
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
JP10576388U
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 JP10576388U priority Critical patent/JPH0227390U/ja
Publication of JPH0227390U publication Critical patent/JPH0227390U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Facsimiles In General (AREA)
  • Drawing Aids And Blackboards (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の側面図、第２図は
本実施例の投影機のブロツク図である。 １……ホワイトボード、２……投影機、３……
固定金具、１０……液晶駆動回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. ホワイトボードの記入面に描かれた書画の画像
    信号を出力する会議用電子黒板において、前記画
    像信号を投影光に変換し前記ホワイトボードに照
    射する投影機を有することを特徴とする会議用電
    子黒板。
JP10576388U 1988-08-09 1988-08-09 Pending JPH0227390U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10576388U JPH0227390U (ja) 1988-08-09 1988-08-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10576388U JPH0227390U (ja) 1988-08-09 1988-08-09

Publications (1)

Publication Number Publication Date
JPH0227390U true JPH0227390U (ja) 1990-02-22

Family

ID=31338673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10576388U Pending JPH0227390U (ja) 1988-08-09 1988-08-09

Country Status (1)

Country Link
JP (1) JPH0227390U (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7123426B2 (en) 2003-12-05 2006-10-17 3M Innovative Properties Company Projection lens and display device
US7126767B2 (en) 2003-12-05 2006-10-24 3M Innovative Properties Company Wide-angle projection lens for front projection display systems
US7173777B1 (en) 2006-02-14 2007-02-06 3M Innovative Properties Company Projection lens and display device for multimedia and other systems
US7271964B2 (en) 2003-12-05 2007-09-18 3M Innovative Properties Company Projection display device for multimedia and wall display systems
US7342723B2 (en) 2004-12-03 2008-03-11 3M Innovative Properties Company Projection lens and portable display device for gaming and other applications
US7850311B2 (en) 2003-12-05 2010-12-14 3M Innovative Properties Company Projection display device with a projection module

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7123426B2 (en) 2003-12-05 2006-10-17 3M Innovative Properties Company Projection lens and display device
US7126767B2 (en) 2003-12-05 2006-10-24 3M Innovative Properties Company Wide-angle projection lens for front projection display systems
US7271964B2 (en) 2003-12-05 2007-09-18 3M Innovative Properties Company Projection display device for multimedia and wall display systems
US7850311B2 (en) 2003-12-05 2010-12-14 3M Innovative Properties Company Projection display device with a projection module
US7864435B2 (en) 2003-12-05 2011-01-04 3M Innovative Properties Company Projection display device for multimedia and wall display systems
US8072687B2 (en) 2003-12-05 2011-12-06 3M Innovative Properties Company Projection display device for multimedia and wall display systems
US7342723B2 (en) 2004-12-03 2008-03-11 3M Innovative Properties Company Projection lens and portable display device for gaming and other applications
US7173777B1 (en) 2006-02-14 2007-02-06 3M Innovative Properties Company Projection lens and display device for multimedia and other systems

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