JPS61121440U - - Google Patents
Info
- Publication number
- JPS61121440U JPS61121440U JP398385U JP398385U JPS61121440U JP S61121440 U JPS61121440 U JP S61121440U JP 398385 U JP398385 U JP 398385U JP 398385 U JP398385 U JP 398385U JP S61121440 U JPS61121440 U JP S61121440U
- Authority
- JP
- Japan
- Prior art keywords
- exposure
- shielding plate
- mirror
- light shielding
- copying
- 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.)
- Granted
Links
- 238000005286 illumination Methods 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims 2
- 108091008695 photoreceptors Proteins 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Projection-Type Copiers In General (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図は本考案の一実施例を示す説明図的正面
図、第２図は上記実施例の説明図的正面図、第３
図は上記実施例の説明図的側面図、第４図はスリ
ツト露光の際の照明光学系とレンズの移動を説明
するための図、第５図は装置上部る開いた状態を
説明するための図、第６図はスリツト露光を説明
するための図である。
１９…露光第１ミラー、１２６…遮光板、１３
…溝カム板、１２２…ねじりばね。
FIG. 1 is an explanatory front view showing one embodiment of the present invention, FIG. 2 is an explanatory front view of the above embodiment, and FIG.
The figure is an explanatory side view of the above embodiment, Figure 4 is a diagram for explaining the movement of the illumination optical system and lens during slit exposure, and Figure 5 is a diagram for explaining the open state of the upper part of the apparatus. 6 are diagrams for explaining slit exposure. 19... Exposure first mirror, 126... Light shielding plate, 13
...Groove cam plate, 122...Torsion spring.
Claims (1)
像をスクリーン上に拡大投影して表示する機能と
、必要に応じて上記像を感光体上に拡大投影して
複写を行なう機能とを有するマイクロフイルムリ
ーダプリンターにおいて、複写を行なう際に、結
像光束を、感光体側に導く露光第１ミラー装置で
あつて、 揺動可能に支承されて、複写時に反射面を結像
光束中に位置させる露光第１ミラーと、 この露光第１ミラーの自由端部側に設けられて、
上記自由端部側に対して揺動自在である遮光板と
、上記露光第１ミラーと遮光板との枢着部に設け
られて、上記露光第１ミラーに対し、上記遮光板
をひらくように弾性力を作用させるねじりばねと
、上記遮光板の自由端部側に設けられたコロに係
合し、上記露光第１ミラーの揺動の際に遮光板の
動きを案内する溝カム板と、を有し、上記露光第
１ミラーを複写態位においたとき、上記遮光板が
スクリーンを通つて入つていくる外部光を、上記
露光第１ミラーに対して遮光するようにしたこと
を特徴とする、露光第１ミラー装置。[Claims for Utility Model Registration] A function for displaying an enlarged image of a microfilm illuminated by an illumination means on a screen, and a function for enlarging and projecting the image onto a photoreceptor as necessary for copying. In a microfilm reader printer having a microfilm reader printer, an exposure first mirror device that guides an imaging light beam toward a photoreceptor side during copying, the first mirror device being swingably supported and directing the reflecting surface into the imaging light flux during copying. a first exposure mirror located at the free end side of the first exposure mirror;
a light shielding plate that is swingable with respect to the free end side; and a light shielding plate provided at a pivot joint between the first exposure mirror and the light shielding plate so as to open the light shielding plate with respect to the first exposure mirror. a torsion spring that applies an elastic force; a grooved cam plate that engages with a roller provided on the free end side of the light shielding plate and guides the movement of the light shielding plate when the first exposure mirror swings; , wherein when the first exposure mirror is placed in a copying position, the light shielding plate blocks external light entering through the screen from the first exposure mirror. , an exposure first mirror device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP398385U JPH0348574Y2 (en) | 1985-01-16 | 1985-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP398385U JPH0348574Y2 (en) | 1985-01-16 | 1985-01-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61121440U true JPS61121440U (en) | 1986-07-31 |
| JPH0348574Y2 JPH0348574Y2 (en) | 1991-10-17 |
Family
ID=30479119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP398385U Expired JPH0348574Y2 (en) | 1985-01-16 | 1985-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348574Y2 (en) |
-
1985
- 1985-01-16 JP JP398385U patent/JPH0348574Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0348574Y2 (en) | 1991-10-17 |
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