JPS60139369U - Original lighting equipment - Google Patents
Original lighting equipmentInfo
- Publication number
- JPS60139369U JPS60139369U JP2586384U JP2586384U JPS60139369U JP S60139369 U JPS60139369 U JP S60139369U JP 2586384 U JP2586384 U JP 2586384U JP 2586384 U JP2586384 U JP 2586384U JP S60139369 U JPS60139369 U JP S60139369U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- original
- illumination
- illumination device
- light
- 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
Landscapes
- Facsimile Scanning Arrangements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来の原画照明装置の構造を模式的に示す模
式平面図、第２図は、透過照明用光源を消灯したときの
光軸の状態を示す説明図、第３図及び第４図は、本考案
に係る原画照明装置の要部−゛を示す部分側面図及び平
面図である。FIG. 1 is a schematic plan view schematically showing the structure of a conventional original illumination device, FIG. 2 is an explanatory diagram showing the state of the optical axis when the transmitted illumination light source is turned off, and FIGS. The figures are a partial side view and a plan view showing the main parts of the original illumination device according to the present invention.
Claims (1)
の所定部分に。集光せしめる光学系と、前記光学系を収
容する筒体−とを備えてなり、前記光源からの光を前記
筒体内に配置した光学系によ・ り集光して原稿
の裏面から照射するようにした原稿照明装置において、
前記光源からの熱によって生ずる筒体の熱膨張と同−又
はそれ以上の熱膨張を生ずる発熱容量の発熱体を、前記
筒体−に付設したことを特徴とする原画照明装置ン（２
）透過照明用光源と筒体との間に、′防熱板を介在させ
てなる実用新案登録請求の範囲第（１）項に記載の原画
照明装置。 （３箇発熱体と透過照明用光源とを切換え的に作動せし
める切換装置を備えてなる実用新案登録請求の範囲第（
１）項に記載の原画照明装置。 （４）透過照明用光源は、原画表面の対向位置に配 ′
一般した反射照明用光源と共に、又は択一的に使用可能
なものである実用新案登録請求の範囲第（１）項又は第
（３）項に記載の原画照明装置。 −[Claims for Utility Model Registration] (1) A light source for transmitted illumination, and light from the light source is directed to a predetermined portion of the back of the original image. It is equipped with an optical system for condensing light and a cylinder housing the optical system, and the light from the light source is condensed by the optical system disposed inside the cylinder and irradiated from the back side of the document. In the document illumination device,
An original illumination device (2) characterized in that a heating element having a heat generating capacity that causes a thermal expansion equal to or greater than the thermal expansion of the cylindrical body caused by the heat from the light source is attached to the cylindrical body.
) The original illumination device according to claim 1, wherein a heat shield plate is interposed between the light source for transmitted illumination and the cylindrical body. (Claim No. 1 of the utility model registration claim, which comprises a switching device that selectively operates three heating elements and a light source for transmitted illumination.)
The original illumination device according to item 1). (4) The light source for transmitted illumination is placed at a position opposite to the surface of the original image.
The original illumination device according to claim 1 or 3, which can be used together with or as an alternative to a general reflective illumination light source. −
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2586384U JPS60139369U (en) | 1984-02-27 | 1984-02-27 | Original lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2586384U JPS60139369U (en) | 1984-02-27 | 1984-02-27 | Original lighting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60139369U true JPS60139369U (en) | 1985-09-14 |
Family
ID=30521332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2586384U Pending JPS60139369U (en) | 1984-02-27 | 1984-02-27 | Original lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60139369U (en) |
-
1984
- 1984-02-27 JP JP2586384U patent/JPS60139369U/en active Pending
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