JPS63160568U - - Google Patents
Info
- Publication number
- JPS63160568U JPS63160568U JP5360687U JP5360687U JPS63160568U JP S63160568 U JPS63160568 U JP S63160568U JP 5360687 U JP5360687 U JP 5360687U JP 5360687 U JP5360687 U JP 5360687U JP S63160568 U JPS63160568 U JP S63160568U
- Authority
- JP
- Japan
- Prior art keywords
- document
- heat
- thermal head
- sensitive material
- area
- 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
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Color Electrophotography (AREA)
- Electronic Switches (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Description
第１図は本考案実施例による露光光学装置を適
用される画像形成装置の一例を示す全体構成図、
第２図は第１図に示した装置の色分解部を示す断
面図、第３図は本考案実施例の露光光学装置の要
部を示す断面図、第４図は本考案実施例における
感熱材の特性線図、第５図は本考案実施例におけ
る制御構造を示すブロツク図、第６、７図は第５
図に示した制御構造の作用をそれぞれ示すフロー
チヤート、第８図は本考案実施例による原稿載置
台の平面図である。
２……原稿載置台、１０……感熱材、１１……
サーマルヘツド。
FIG. 1 is an overall configuration diagram showing an example of an image forming apparatus to which an exposure optical device according to an embodiment of the present invention is applied;
FIG. 2 is a sectional view showing the color separation section of the apparatus shown in FIG. Fig. 5 is a block diagram showing the control structure in the embodiment of the present invention, and Figs.
FIG. 8 is a flowchart illustrating the operation of the control structure shown in the figures, and FIG. 8 is a plan view of a document mounting table according to an embodiment of the present invention. 2... Document placement table, 10... Heat-sensitive material, 11...
thermal head.
Claims (1)
射側に配置されていて、加熱温度の違いにより可
逆的に白濁状態、透明状態が繰り返され、かつ、
特定温度以下においていずれかの状態が安定保持
される感熱体と、 この感熱材に対向して設けられていて、上記原
稿載置台上の原稿に対する走査方向に移動可能な
サーマルヘツドとを具備し、 上記サーマルヘツドにより、上記感熱材におけ
る原稿領域以外に相当する領域を不透明化するこ
とを特徴とする画像形成装置の露光光学装置。[Scope of Claim for Utility Model Registration] A document placed on the incident side of illumination light on a document table made of a transparent body, which reversibly repeats a cloudy state and a transparent state depending on a difference in heating temperature, and
The thermal head is provided opposite to the heat-sensitive material and is movable in the scanning direction with respect to the document on the document mounting table. An exposure optical device for an image forming apparatus, wherein the thermal head makes an area of the heat-sensitive material other than the document area opaque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5360687U JPS63160568U (en) | 1987-04-09 | 1987-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5360687U JPS63160568U (en) | 1987-04-09 | 1987-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63160568U true JPS63160568U (en) | 1988-10-20 |
Family
ID=30879830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5360687U Pending JPS63160568U (en) | 1987-04-09 | 1987-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63160568U (en) |
-
1987
- 1987-04-09 JP JP5360687U patent/JPS63160568U/ja active Pending