JPS6413040U - - Google Patents
Info
- Publication number
- JPS6413040U JPS6413040U JP10764287U JP10764287U JPS6413040U JP S6413040 U JPS6413040 U JP S6413040U JP 10764287 U JP10764287 U JP 10764287U JP 10764287 U JP10764287 U JP 10764287U JP S6413040 U JPS6413040 U JP S6413040U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- overhead projector
- film
- image
- thermochromic
- 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
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Electronic Switches (AREA)
Description
第１図は、本考案の一実施例の構成図、第２図
は、同要部の構成図、第３図は、サーモクロミツ
ク層の凹凸による投影光の散乱を示す図である。
１……サーモクロミツクフイルム、５……駆動
装置、１３……消去用ヒートローラ、１４……サ
ーマルヘツド、１７……イメージセンサ、１８…
…投影用ランプ、３０……圧縮ローラ、３１……
圧縮ばね。
FIG. 1 is a block diagram of an embodiment of the present invention, FIG. 2 is a block diagram of the main parts thereof, and FIG. 3 is a diagram showing scattering of projection light due to unevenness of a thermochromic layer. DESCRIPTION OF SYMBOLS 1... Thermochromic film, 5... Drive device, 13... Erasing heat roller, 14... Thermal head, 17... Image sensor, 18...
...Projection lamp, 30...Compression roller, 31...
compression spring.
Claims (1)
学的に透明となり、予め定められた第２の温度で
加熱すると光学的に不透明となるサーモクロミツ
クフイルムに、原稿画像の読取信号に対応して前
記第２の温度を印加し画像を形成したものを投影
用フイルムとするオーバーヘツドプロジエクタに
おいて、印字手段により前記第２の温度を印加し
て画像を形成する際に生じた前記フイルムのサー
モクロミツク層表面の乱れを圧縮して平滑性を回
復するための、複数のローラからなる圧縮手段を
設けたことを特徴とするオーバーヘツドプロジエ
クタ。 (2) 圧縮手段の少なくとも１つのローラが加熱
ローラからなることを特徴とする実用新案登録請
求の範囲第(1)項記載のオーバーヘツドプロジエ
クタ。 (3) 加熱ローラによる加熱温度がサーモクロミ
ツクフイルムを透明化する第１の温度であること
を特徴とする実用新案登録請求の範囲第(2)項記
載のオーバーヘツドプロジエクタ。[Claims for Utility Model Registration] (1) A thermochromic film that becomes optically transparent when heated at a first predetermined temperature and becomes optically opaque when heated at a second predetermined temperature. , in an overhead projector in which a projection film is formed by applying the second temperature in response to a reading signal of a document image to form an image, the second temperature is applied by a printing means to form an image; 1. An overhead projector comprising a compression means comprising a plurality of rollers for compressing disturbances on the surface of the thermochromic layer of the film and restoring smoothness during the process. (2) The overhead projector according to claim 1, wherein at least one roller of the compression means is a heating roller. (3) The overhead projector according to claim (2), wherein the heating temperature by the heating roller is a first temperature that makes the thermochromic film transparent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10764287U JPS6413040U (en) | 1987-07-15 | 1987-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10764287U JPS6413040U (en) | 1987-07-15 | 1987-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6413040U true JPS6413040U (en) | 1989-01-24 |
Family
ID=31342240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10764287U Pending JPS6413040U (en) | 1987-07-15 | 1987-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6413040U (en) |
-
1987
- 1987-07-15 JP JP10764287U patent/JPS6413040U/ja active Pending
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