JPS61124006U - - Google Patents
Info
- Publication number
- JPS61124006U JPS61124006U JP668285U JP668285U JPS61124006U JP S61124006 U JPS61124006 U JP S61124006U JP 668285 U JP668285 U JP 668285U JP 668285 U JP668285 U JP 668285U JP S61124006 U JPS61124006 U JP S61124006U
- Authority
- JP
- Japan
- Prior art keywords
- original image
- image panel
- fixing member
- projection original
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Description
第１図は本考案になるビデオプロジエクタの焦
点調整機構の一実施例を組み込んでなるビデオプ
ロジエクタを示す縦断面図、第２図は第１図のビ
デオプロジエクタの光学系を説明するための図、
第３図は本考案機構を拡大して示す分解斜視図、
第４図及び第５図は本考案機構による焦点調整作
業の手順を説明するための図である。
１…ビデオプロジエクタ、３，３ａ〜３ｃ…投
写管、３ａ―１，３ｂ―１，３ｃ―１…投写面、
４，４ａ〜４ｃ…投写レンズ、６…透過形スクリ
ーン、７…焦点調整機構、９…固定部材、９ａ，
９ｂ，１０ａ，１０ｂ…側壁部、１０…取付け部
材、１１…固定手段、１３ａ…孔、１４ａ―１〜
１４ａ―５…長孔、１５ａ―１〜１５ａ―６…ネ
ジ、１８ａ―１〜１８ａ―６…ネジ孔。
FIG. 1 is a longitudinal sectional view showing a video projector incorporating an embodiment of the focus adjustment mechanism of the video projector according to the present invention, and FIG. 2 is for explaining the optical system of the video projector shown in FIG. diagram,
FIG. 3 is an exploded perspective view showing the mechanism of the present invention in an enlarged manner;
FIGS. 4 and 5 are diagrams for explaining the procedure of focus adjustment work by the mechanism of the present invention. 1... Video projector, 3, 3a-3c... Projection tube, 3a- 1 , 3b- 1 , 3c- 1 ... Projection surface,
4, 4a to 4c... Projection lens, 6... Transmissive screen, 7... Focus adjustment mechanism, 9... Fixed member, 9a,
9b, 10a, 10b...Side wall portion, 10...Mounting member, 11...Fixing means, 13a...Hole, 14a- 1 ~
14a- 5 ...long hole, 15a- 1 to 15a- 6 ...screw, 18a- 1 to 18a- 6 ...screw hole.
Claims (1)
部材と、両側部に両壁部を有し投写原画像パネル
を設けられて該固定部材の両側壁に取付けられる
投写原画像パネル取付け部材と、該固定部材及び
該投写原画像パネル取付け部材のうち一方の両側
壁部に長孔を設けて該固定部材と該投写原画像パ
ネル取付け部材の相対的位置を該長孔に沿つて調
整自在に固着する固着手段とよりなるビデオプロ
ジエククタの焦点調整機構。 A fixing member having both walls on both sides and provided with a projection lens, and a projection original image panel mounting member having both walls on both sides and having a projection original image panel attached to both side walls of the fixing member. and a long hole is provided in both side walls of one of the fixing member and the projection original image panel mounting member, so that the relative position of the fixing member and the projection original image panel mounting member can be freely adjusted along the long hole. A focus adjustment mechanism for a video projector comprising a fixing means fixed to the video projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP668285U JPS61124006U (en) | 1985-01-21 | 1985-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP668285U JPS61124006U (en) | 1985-01-21 | 1985-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61124006U true JPS61124006U (en) | 1986-08-05 |
Family
ID=30484349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP668285U Pending JPS61124006U (en) | 1985-01-21 | 1985-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61124006U (en) |
-
1985
- 1985-01-21 JP JP668285U patent/JPS61124006U/ja active Pending