JPH0335525U - - Google Patents
Info
- Publication number
- JPH0335525U JPH0335525U JP9690589U JP9690589U JPH0335525U JP H0335525 U JPH0335525 U JP H0335525U JP 9690589 U JP9690589 U JP 9690589U JP 9690589 U JP9690589 U JP 9690589U JP H0335525 U JPH0335525 U JP H0335525U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- liquid crystal
- crystal panel
- cooling fan
- projection surface
- 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
- 238000001816 cooling Methods 0.000 claims 3
- 239000004973 liquid crystal related substance Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Description
第1図はこの考案にかかるプロジエクシヨンパ
ツドの電源系を示すブロツク線図、第2図は従来
のプロジエクシヨンパツドの電源系のブロツク線
図である。
1…レギユレータ1、2…レギユレータ2。
FIG. 1 is a block diagram showing the power supply system of the projection pad according to this invention, and FIG. 2 is a block diagram of the power supply system of the conventional projection pad. 1... Regulator 1, 2... Regulator 2.
Claims (1)
冷却フアンと、デジタル回路を内蔵し、オーバー
ヘツドプロジエクタ(OHP)等の光源と投影面
との間に配置して、前記透過型液晶パネルに形成
された画像を投影面に投影して使うように構成さ
れたプロジエクシヨンパツドにおいて、前記冷却
フアンの電源とデジタル回路用電源とをそれぞれ
にレギユレータを設け、別系統にした事を特徴と
するプロジエクシヨンパツドの電源回路。 A transmissive liquid crystal panel, a cooling fan for air-cooling the liquid crystal panel, and a built-in digital circuit are placed between a light source such as an overhead projector (OHP) and a projection surface, and formed on the transmissive liquid crystal panel. The projection pad is configured to project an image onto a projection surface, and is characterized in that the power supply for the cooling fan and the power supply for the digital circuit are each provided with a regulator and are separated into separate systems. The power supply circuit for the extension pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9690589U JPH0335525U (en) | 1989-08-18 | 1989-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9690589U JPH0335525U (en) | 1989-08-18 | 1989-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0335525U true JPH0335525U (en) | 1991-04-08 |
Family
ID=31646078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9690589U Pending JPH0335525U (en) | 1989-08-18 | 1989-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0335525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0524226U (en) * | 1991-09-09 | 1993-03-30 | 富士ブレード株式会社 | Saw chain structure |
-
1989
- 1989-08-18 JP JP9690589U patent/JPH0335525U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0524226U (en) * | 1991-09-09 | 1993-03-30 | 富士ブレード株式会社 | Saw chain structure |
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