JPH032339U - - Google Patents
Info
- Publication number
- JPH032339U JPH032339U JP6175889U JP6175889U JPH032339U JP H032339 U JPH032339 U JP H032339U JP 6175889 U JP6175889 U JP 6175889U JP 6175889 U JP6175889 U JP 6175889U JP H032339 U JPH032339 U JP H032339U
- Authority
- JP
- Japan
- Prior art keywords
- image pattern
- stage surface
- imaging
- image
- signal
- 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
- 238000003384 imaging method Methods 0.000 claims 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案の一実施例を示す全体構成図、
第２図は従来のオーバーヘツドプロジエクタを示
す全体構成図である。
１１……光源、１２……コンデンサレンズ、１
３……液晶プレート、１４……投写レンズ、１５
……スクリーン、１６……ビデオカメラ、１７…
…原稿、１８……駆動部、１９……反射鏡。
FIG. 1 is an overall configuration diagram showing an embodiment of the present invention;
FIG. 2 is an overall configuration diagram showing a conventional overhead projector. 11...Light source, 12...Condenser lens, 1
3...Liquid crystal plate, 14...Projection lens, 15
...Screen, 16...Video camera, 17...
...Original, 18...Drive unit, 19...Reflector.
Claims (1)
集光し、該ステージ面上にある画像パターンを前
記ステージ面と対向して設けられた投写レンズを
介してスクリーン上に拡大して投影するオーバー
ヘツドプロジエクタにおいて、 前記ステージ面以外に置かれた書類等の影像情
報を撮像する撮像手段と、該撮像手段からの撮像
信号を画像パターン信号に変換する変換手段とを
設けると共に、前記画像パターン信号に従つて画
像パターンを透明板上に表示する画像パターン表
示手段が前記ステージ面上に設けてあることを特
徴とするオーバーヘツドプロジエクタ。[Claims for Utility Model Registration] A light beam emitted from a light source is focused onto a stage surface by a condenser, and an image pattern on the stage surface is projected onto a screen via a projection lens provided opposite to the stage surface. An overhead projector that enlarges and projects an image upward, comprising an imaging means for imaging image information such as a document placed on a surface other than the stage surface, and a conversion means for converting an imaging signal from the imaging means into an image pattern signal. An overhead projector comprising: an image pattern display means for displaying an image pattern on a transparent plate in accordance with the image pattern signal; and an image pattern display means provided on the stage surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6175889U JPH032339U (en) | 1989-05-26 | 1989-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6175889U JPH032339U (en) | 1989-05-26 | 1989-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032339U true JPH032339U (en) | 1991-01-10 |
Family
ID=31590291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6175889U Pending JPH032339U (en) | 1989-05-26 | 1989-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032339U (en) |
-
1989
- 1989-05-26 JP JP6175889U patent/JPH032339U/ja active Pending
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