JPH0345586U - - Google Patents
Info
- Publication number
- JPH0345586U JPH0345586U JP10744089U JP10744089U JPH0345586U JP H0345586 U JPH0345586 U JP H0345586U JP 10744089 U JP10744089 U JP 10744089U JP 10744089 U JP10744089 U JP 10744089U JP H0345586 U JPH0345586 U JP H0345586U
- Authority
- JP
- Japan
- Prior art keywords
- video projector
- projection lens
- trapezoidal
- projection
- screen
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Lenses (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989107440U JPH079187Y2 (ja) | 1989-09-13 | 1989-09-13 | ビデオプロジェクタ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989107440U JPH079187Y2 (ja) | 1989-09-13 | 1989-09-13 | ビデオプロジェクタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0345586U true JPH0345586U (US20050075337A1-20050407-C00081.png) | 1991-04-26 |
JPH079187Y2 JPH079187Y2 (ja) | 1995-03-06 |
Family
ID=31656132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989107440U Expired - Lifetime JPH079187Y2 (ja) | 1989-09-13 | 1989-09-13 | ビデオプロジェクタ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH079187Y2 (US20050075337A1-20050407-C00081.png) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008029657A1 (fr) * | 2006-09-04 | 2008-03-13 | Brother Kogyo Kabushiki Kaisha | Dispositif de projection d'image et lentille de projection |
JP2011070087A (ja) * | 2009-09-28 | 2011-04-07 | Hitachi Consumer Electronics Co Ltd | 投写型映像表示装置 |
JP2013088817A (ja) * | 2011-10-18 | 2013-05-13 | Young Optics Inc | 車載用投影システム |
WO2024075228A1 (ja) * | 2022-10-05 | 2024-04-11 | 日精テクノロジー株式会社 | 投射光学系 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6221384A (ja) * | 1985-07-19 | 1987-01-29 | Matsushita Electric Ind Co Ltd | ビデオプロジエクタ |
-
1989
- 1989-09-13 JP JP1989107440U patent/JPH079187Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6221384A (ja) * | 1985-07-19 | 1987-01-29 | Matsushita Electric Ind Co Ltd | ビデオプロジエクタ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008029657A1 (fr) * | 2006-09-04 | 2008-03-13 | Brother Kogyo Kabushiki Kaisha | Dispositif de projection d'image et lentille de projection |
JP2011070087A (ja) * | 2009-09-28 | 2011-04-07 | Hitachi Consumer Electronics Co Ltd | 投写型映像表示装置 |
JP2013088817A (ja) * | 2011-10-18 | 2013-05-13 | Young Optics Inc | 車載用投影システム |
WO2024075228A1 (ja) * | 2022-10-05 | 2024-04-11 | 日精テクノロジー株式会社 | 投射光学系 |
Also Published As
Publication number | Publication date |
---|---|
JPH079187Y2 (ja) | 1995-03-06 |