JPH0737911Y2 - 投影ディスプレイ付電子黒板装置 - Google Patents
投影ディスプレイ付電子黒板装置Info
- Publication number
- JPH0737911Y2 JPH0737911Y2 JP1988090831U JP9083188U JPH0737911Y2 JP H0737911 Y2 JPH0737911 Y2 JP H0737911Y2 JP 1988090831 U JP1988090831 U JP 1988090831U JP 9083188 U JP9083188 U JP 9083188U JP H0737911 Y2 JPH0737911 Y2 JP H0737911Y2
- Authority
- JP
- Japan
- Prior art keywords
- tablet
- screen
- liquid crystal
- information
- crystal display
- 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.)
- Expired - Lifetime
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 35
- 238000001514 detection method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000003550 marker Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Position Input By Displaying (AREA)
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988090831U JPH0737911Y2 (ja) | 1988-07-08 | 1988-07-08 | 投影ディスプレイ付電子黒板装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988090831U JPH0737911Y2 (ja) | 1988-07-08 | 1988-07-08 | 投影ディスプレイ付電子黒板装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0212892U JPH0212892U (enrdf_load_stackoverflow) | 1990-01-26 |
JPH0737911Y2 true JPH0737911Y2 (ja) | 1995-08-30 |
Family
ID=31315342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988090831U Expired - Lifetime JPH0737911Y2 (ja) | 1988-07-08 | 1988-07-08 | 投影ディスプレイ付電子黒板装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0737911Y2 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200466688Y1 (ko) * | 2012-08-27 | 2013-05-02 | 방재홍 | 필기 보드 겸용 스크린 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4501176B2 (ja) * | 1999-06-17 | 2010-07-14 | パナソニック株式会社 | インタラクティブ電子黒板システム |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61211095A (ja) * | 1985-03-15 | 1986-09-19 | 日本電気株式会社 | 電子黒板装置 |
JPH0329193Y2 (enrdf_load_stackoverflow) * | 1986-05-20 | 1991-06-21 |
-
1988
- 1988-07-08 JP JP1988090831U patent/JPH0737911Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200466688Y1 (ko) * | 2012-08-27 | 2013-05-02 | 방재홍 | 필기 보드 겸용 스크린 |
Also Published As
Publication number | Publication date |
---|---|
JPH0212892U (enrdf_load_stackoverflow) | 1990-01-26 |
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