JPS648891U - - Google Patents
Info
- Publication number
- JPS648891U JPS648891U JP10318787U JP10318787U JPS648891U JP S648891 U JPS648891 U JP S648891U JP 10318787 U JP10318787 U JP 10318787U JP 10318787 U JP10318787 U JP 10318787U JP S648891 U JPS648891 U JP S648891U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- tube body
- lens barrel
- light
- colored light
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims 4
- 238000012795 verification Methods 0.000 description 2
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図はこの考案の一実施例を示す一部を切り
欠いた平面図、第２図はそのＡ―Ａ部分の縦断側
面図、第３図は第１図の正面図、第４図はピント
調整状態を示す説明図である。
２４……保持部材、３０……管体、３５……調
整マーク（照合手段）、３７……レンズ鏡筒、４
０……レンズマーク（照合手段）、４１……投影
レンズ。
Fig. 1 is a partially cutaway plan view showing an embodiment of this invention, Fig. 2 is a vertical side view of the A-A section, Fig. 3 is a front view of Fig. 1, and Fig. 4 is a partially cutaway plan view showing an embodiment of this invention. It is an explanatory view showing a focus adjustment state. 24... Holding member, 30... Tube body, 35... Adjustment mark (verification means), 37... Lens barrel, 4
0... Lens mark (verification means), 41... Projection lens.
Claims (1)
分光し、この分光された色光を透過する液晶表示
板を色光毎に設け、これらの液晶表示板を透過し
た色光を合成して投影レンズによりスクリーン上
に拡大投影する液晶プロジエクタにおいて、前記
投影レンズを保持するレンズ鏡筒と、このレンズ
鏡筒にネジ結合された管体と、この管体にネジ結
合された保持部材とを設け、前記レンズ鏡筒およ
び前記管体に回転位置を照合する照合手段を形成
したことを特徴とする液晶プロジエクタのピント
調整装置。 The white light from the light source is split into three types of colored light: red, blue, and yellow. A liquid crystal display panel is provided for each color light to transmit the separated colored light, and the colored light transmitted through these liquid crystal display panels is synthesized. A liquid crystal projector that enlarges and projects images onto a screen using a projection lens, including a lens barrel that holds the projection lens, a tube body screwed to the lens barrel, and a holding member screwed to the tube body. A focus adjustment device for a liquid crystal projector, characterized in that a collation means for collating rotational positions is formed on the lens barrel and the tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10318787U JPS648891U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10318787U JPS648891U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648891U true JPS648891U (en) | 1989-01-18 |
Family
ID=31333782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10318787U Pending JPS648891U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648891U (en) |
-
1987
- 1987-07-03 JP JP10318787U patent/JPS648891U/ja active Pending