JPH0470642U - - Google Patents
Info
- Publication number
- JPH0470642U JPH0470642U JP11360490U JP11360490U JPH0470642U JP H0470642 U JPH0470642 U JP H0470642U JP 11360490 U JP11360490 U JP 11360490U JP 11360490 U JP11360490 U JP 11360490U JP H0470642 U JPH0470642 U JP H0470642U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- light source
- light
- projection device
- projection
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
Description
第１図、第２図は従来の投映装置を説明する図
、第３Ａ図は従来の投映装置における投映状態を
示す図、第３Ｂ図は第３Ａ図の投映状態における
投映像を説明する図、第４Ａ図及び第４Ｂ図は本
願考案に係る投映装置の投映状態を説明する図、
第５図は本願考案の要点を説明するための図、第
６図及び第７図は本願考案の実施例を示す図、第
８図、第９図、第１０図、第１１図は他の実施例
を示す図である。
１……投映装置、１０……光源、２０，２０１
，２０２，２０３……レンズ、２１……光軸、２
１１，２１２，２１３……レンズの中心、２２…
…レンズの光軸から偏奇した部分、２４……仮想
凸レンズ、３０……スクリーン、３１及び３２…
…投映パターン、４０……投映光、７０……鏡筒
、８０……円盤。
1 and 2 are diagrams explaining a conventional projection device, FIG. 3A is a diagram showing a projection state in the conventional projection device, and FIG. 3B is a diagram explaining a projected image in the projection state of FIG. 3A. FIG. 4A and FIG. 4B are diagrams explaining the projection state of the projection device according to the present invention,
FIG. 5 is a diagram for explaining the main points of the present invention, FIGS. 6 and 7 are diagrams showing embodiments of the present invention, and FIGS. 8, 9, 10, and 11 are illustrations of other It is a figure showing an example. 1...Projection device, 10...Light source, 20,201
, 202, 203...lens, 21...optical axis, 2
11, 212, 213...center of lens, 22...
... Portion eccentric from the optical axis of the lens, 24 ... Virtual convex lens, 30 ... Screen, 31 and 32 ...
...projection pattern, 40 ... projection light, 70 ... lens barrel, 80 ... disk.
Claims (1)
るためのレンズを備えた投映装置おいて、 前記レンズを前記光源からの光に対して垂直方
向に位置をずらせることにより前記レンズの光軸
から偏奇した部分に前記光源からの光を通過させ
ることにできる機構を備えたことを特徴とする投
映装置。[Claims for Utility Model Registration] A projection device equipped with a light source and a lens for projecting light from the light source onto a screen, the lens being displaced in a direction perpendicular to the light from the light source. A projection device comprising: a mechanism that allows light from the light source to pass through a portion offset from the optical axis of the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11360490U JPH0470642U (en) | 1990-10-30 | 1990-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11360490U JPH0470642U (en) | 1990-10-30 | 1990-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0470642U true JPH0470642U (en) | 1992-06-23 |
Family
ID=31861211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11360490U Pending JPH0470642U (en) | 1990-10-30 | 1990-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0470642U (en) |
-
1990
- 1990-10-30 JP JP11360490U patent/JPH0470642U/ja active Pending