JPS63120242U - - Google Patents
Info
- Publication number
- JPS63120242U JPS63120242U JP1099287U JP1099287U JPS63120242U JP S63120242 U JPS63120242 U JP S63120242U JP 1099287 U JP1099287 U JP 1099287U JP 1099287 U JP1099287 U JP 1099287U JP S63120242 U JPS63120242 U JP S63120242U
- Authority
- JP
- Japan
- Prior art keywords
- projection
- projection lens
- screen
- view
- showing
- 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 5
- 238000003384 imaging method Methods 0.000 description 2
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Lens Barrels (AREA)
Description
第１図は本考案による影写装置の一実施例を示
す略線的斜視図、第２図はその側面の一部をとつ
て示す略線的断面図、第３図はあおり機構による
投影歪の補正動作の説明に供する略線図、第４図
はそのスクリーン上の影像を示す略線図、第５図
は従来の影写装置を示す略線的斜視図、第６図は
その側面の一部をとつて示す略線的断面図、第７
図はスクリーンが影写装置より上方に配置された
場合を示す略線図、第８図はそのときの投影歪を
有する影像を示す略線図、第９図はスクリーンが
影写装置に対して左方にずれて配置された場合を
示す略線図、第１０図はそのときの投影歪を有す
る影像を示す略線図である。
１……オーバーヘツドプロジエクタ、２……本
体、３……光源、４……ステージ、５……支柱、
６……フレーム、７……投影レンズ、８……ミラ
ー、９……あおり機構、１０……スクリーン。
Fig. 1 is a schematic perspective view showing one embodiment of the projection apparatus according to the present invention, Fig. 2 is a schematic cross-sectional view showing a part of the side surface thereof, and Fig. 3 is a projection distortion caused by the tilting mechanism. FIG. 4 is a schematic diagram showing the image on the screen, FIG. 5 is a schematic perspective view showing the conventional imaging device, and FIG. 6 is a side view of the conventional imaging device. Schematic cross-sectional view showing a part, No. 7
The figure is a schematic diagram showing the case where the screen is placed above the projection device, FIG. 8 is a schematic diagram showing the image with projection distortion at that time, and FIG. FIG. 10 is a schematic diagram showing a case where the image is shifted to the left, and FIG. 10 is a schematic diagram showing an image having projection distortion in that case. 1... Overhead projector, 2... Main body, 3... Light source, 4... Stage, 5... Support,
6... Frame, 7... Projection lens, 8... Mirror, 9... Tilt mechanism, 10... Screen.
Claims (1)
ズにより拡大してスクリーン上に投影するように
なされた影写装置において、 上記投影レンズにあおり機構 を具えることを特徴とする影写装置。[Scope of Claim for Utility Model Registration] A projection apparatus in which light from a light source passes through a transparent original, is magnified by a projection lens, and is projected onto a screen, wherein the projection lens is provided with a tilting mechanism. Features a photographic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1099287U JPS63120242U (en) | 1987-01-27 | 1987-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1099287U JPS63120242U (en) | 1987-01-27 | 1987-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63120242U true JPS63120242U (en) | 1988-08-03 |
Family
ID=30797805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1099287U Pending JPS63120242U (en) | 1987-01-27 | 1987-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63120242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992016871A1 (en) * | 1991-03-15 | 1992-10-01 | Seiko Epson Corporation | Projection type display device |
-
1987
- 1987-01-27 JP JP1099287U patent/JPS63120242U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992016871A1 (en) * | 1991-03-15 | 1992-10-01 | Seiko Epson Corporation | Projection type display device |
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