JPH0420028U - - Google Patents
Info
- Publication number
- JPH0420028U JPH0420028U JP6193890U JP6193890U JPH0420028U JP H0420028 U JPH0420028 U JP H0420028U JP 6193890 U JP6193890 U JP 6193890U JP 6193890 U JP6193890 U JP 6193890U JP H0420028 U JPH0420028 U JP H0420028U
- Authority
- JP
- Japan
- Prior art keywords
- projection
- holding means
- fresnel lens
- fixing
- holding
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図はその平面図、第３図は従来の透過式ＯＨＰ
の一例を示す縦断面図である。
１……投影ランプ、２……フレネルレンズ、８
……投影原稿、９……固定手段、１０……保持手
段、１１……支持手段、１２……バネ部材。
Fig. 1 is a vertical cross-sectional view showing an embodiment of the present invention, Fig. 2 is a plan view thereof, and Fig. 3 is a conventional transparent OHP.
It is a longitudinal cross-sectional view showing an example. 1... Projection lamp, 2... Fresnel lens, 8
...projection original, 9...fixing means, 10...holding means, 11...supporting means, 12...spring member.
Claims (1)
させるフレネルレンズと、このフレネルレンズか
ら所定間隔を置いて配設され投影時の載置位置に
おける投影原稿の一辺を固定する固定手段と、こ
の固定手段による固定部分と対向する前記投影原
稿の他辺を保持する保持手段と、この保持手段を
前記フレネルレンズの表面と略平行な方向に移動
自在に支持する支持手段と、この支持手段に支持
された前記保持手段に一端が取付けられこの保持
手段を前記固定手段から離間させる方向に付勢す
るバネ部材とよりなることを特徴とする透過式オ
ーバーヘツドプロジエクタ。 A projection lamp, a Fresnel lens that converges light from the projection lamp, a fixing means arranged at a predetermined distance from the Fresnel lens and fixing one side of the projection document at a placement position during projection, and the fixing means. a holding means for holding the other side of the projection original facing the fixed portion thereof; a supporting means for supporting the holding means so as to be movable in a direction substantially parallel to the surface of the Fresnel lens; A transmission type overhead projector comprising a spring member having one end attached to the holding means and biasing the holding means in a direction to move the holding means away from the fixing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6193890U JPH0420028U (en) | 1990-06-12 | 1990-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6193890U JPH0420028U (en) | 1990-06-12 | 1990-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420028U true JPH0420028U (en) | 1992-02-19 |
Family
ID=31590641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6193890U Pending JPH0420028U (en) | 1990-06-12 | 1990-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420028U (en) |
-
1990
- 1990-06-12 JP JP6193890U patent/JPH0420028U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0420028U (en) | ||
| JPS62201737U (en) | ||
| JPS61190543U (en) | ||
| JPS63101937U (en) | ||
| JPH0312233U (en) | ||
| JPS6451929U (en) | ||
| JPS6451927U (en) | ||
| JPH0475632U (en) | ||
| JPH0333903U (en) | ||
| JPH01100130U (en) | ||
| JPS58100352U (en) | Original illumination device | |
| JPH0275632U (en) | ||
| JPS638513U (en) | ||
| JPS6329130U (en) | ||
| JPS5938436U (en) | overhead projector | |
| JPS62110914U (en) | ||
| JPS60143442U (en) | Copy machine with overhead projector | |
| JPS6436832U (en) | ||
| JPH0394535U (en) | ||
| JPS63187470U (en) | ||
| JPS6330840U (en) | ||
| JPH0281544U (en) | ||
| JPS61116351U (en) | ||
| JPH02111150U (en) | ||
| JPS5963569U (en) | Shedding correction device for tubular light source |