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
Links
- 238000010586 diagram Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Facsimiles In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10576388U JPH0227390U (US20080293856A1-20081127-C00150.png) | 1988-08-09 | 1988-08-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10576388U JPH0227390U (US20080293856A1-20081127-C00150.png) | 1988-08-09 | 1988-08-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0227390U true JPH0227390U (US20080293856A1-20081127-C00150.png) | 1990-02-22 |
Family
ID=31338673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10576388U Pending JPH0227390U (US20080293856A1-20081127-C00150.png) | 1988-08-09 | 1988-08-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0227390U (US20080293856A1-20081127-C00150.png) |
Cited By (6)
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 |
-
1988
- 1988-08-09 JP JP10576388U patent/JPH0227390U/ja active Pending
Cited By (8)
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 |