JPH049033U - - Google Patents
Info
- Publication number
- JPH049033U JPH049033U JP4883090U JP4883090U JPH049033U JP H049033 U JPH049033 U JP H049033U JP 4883090 U JP4883090 U JP 4883090U JP 4883090 U JP4883090 U JP 4883090U JP H049033 U JPH049033 U JP H049033U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- overhead projector
- displacement
- liquid crystal
- crystal display
- 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 description 4
- 238000006073 displacement reaction Methods 0.000 claims 4
- 230000003287 optical effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
第１図ないし第５図は本考案によるオーバーヘ
ツドプロジエクタの一実施例を示す図であり、第
１図はその斜視図、第２図はその要部断面で示す
側面図、第３図は液晶表示体ユニツトの斜視図、
第４図はオーバーヘツドプロジエクタの要部を示
す拡大断面図、第５図は投影画面の正面図、第６
図および第７図は本考案の他の実施例を示しそれ
ぞれオーバーヘツドプロジエクタの要部を示す拡
大断面図である。
１……オーバーヘツドプロジエクタ、６……ミ
ラー、７……ランプ、２１……光源、２２……反
射板、１５……液晶表示体。
1 to 5 are diagrams showing one embodiment of the overhead projector according to the present invention, in which FIG. 1 is a perspective view thereof, FIG. 2 is a side view showing a cross section of the main part thereof, and FIG. A perspective view of a liquid crystal display unit,
Figure 4 is an enlarged sectional view showing the main parts of the overhead projector, Figure 5 is a front view of the projection screen, and Figure 6 is a front view of the projection screen.
7 and 7 show other embodiments of the present invention, and each is an enlarged sectional view showing a main part of an overhead projector. DESCRIPTION OF SYMBOLS 1...Overhead projector, 6...Mirror, 7...Lamp, 21...Light source, 22...Reflector, 15...Liquid crystal display.
Claims (1)
介して液晶表示体に投射し、液晶表示体の画像を
投影するオーバーヘツドプロジエクタにおいて、
前記光源、反射板、ミラー等の光学部材の位置を
、前記光源からの光軸が変化するよう、微少変位
させる変位構造としたことを特徴とするオーバー
ヘツドプロジエクタ。 (2) 前記変位構造の変位方向を一方向とし、こ
の変位量の最大値を基準位置として位置決めした
ことを特徴とする請求項第１項記載のオーバーヘ
ツドプロジエクタ。[Claims for Utility Model Registration] (1) In an overhead projector that projects light from a light source onto a liquid crystal display through an optical member such as a reflector or mirror, and projects an image on the liquid crystal display,
An overhead projector characterized by having a displacement structure in which the positions of optical members such as the light source, a reflection plate, and a mirror are slightly displaced so that the optical axis from the light source is changed. (2) The overhead projector according to claim 1, wherein the displacement direction of the displacement structure is one direction, and the maximum value of the displacement amount is used as a reference position for positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4883090U JPH049033U (en) | 1990-05-10 | 1990-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4883090U JPH049033U (en) | 1990-05-10 | 1990-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049033U true JPH049033U (en) | 1992-01-27 |
Family
ID=31565993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4883090U Pending JPH049033U (en) | 1990-05-10 | 1990-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049033U (en) |
-
1990
- 1990-05-10 JP JP4883090U patent/JPH049033U/ja active Pending