JPH0281544U - - Google Patents
Info
- Publication number
- JPH0281544U JPH0281544U JP16048388U JP16048388U JPH0281544U JP H0281544 U JPH0281544 U JP H0281544U JP 16048388 U JP16048388 U JP 16048388U JP 16048388 U JP16048388 U JP 16048388U JP H0281544 U JPH0281544 U JP H0281544U
- Authority
- JP
- Japan
- Prior art keywords
- document
- fluorescent lamp
- center
- illumination
- illumination device
- 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
- 238000005286 illumination Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図は本考案をイメージリーダに適用した第
１の実施例を示す要部の側面図、第２図は第１の
実施例の１つの蛍光灯を反射ミラーに変えた第２
の実施例を示す要部の側面図、第３図は本考案を
複写機に適用した第３の実施例を示す要部の側面
図、第４図は第１実施例の蛍光灯に投光アパーチ
ヤを設けた第４の実施例を示す要部の側面図、第
５図は投光アパーチヤをレンズにした第５の実施
例を示す蛍光灯の断面図、第６図は従来例を示す
イメージリーダ要部の側面図である。
１……原稿台ガラス、４……画像読取部、５…
…蛍光灯、５ａ……最大距離部分、Ｏ……中心、
Ｘ……距離、Ｙ……照明光路。
Fig. 1 is a side view of the main parts of a first embodiment in which the present invention is applied to an image reader, and Fig. 2 is a side view of the main parts of a first embodiment in which the present invention is applied to an image reader.
3 is a side view of the main parts showing a third embodiment in which the present invention is applied to a copying machine, and FIG. 4 is a side view of the main parts showing the third embodiment in which the present invention is applied to a copying machine. A side view of the main parts showing a fourth embodiment in which an aperture is provided, FIG. 5 is a cross-sectional view of a fluorescent lamp showing a fifth embodiment in which the light emitting aperture is used as a lens, and FIG. 6 is an image showing a conventional example. FIG. 3 is a side view of the main part of the reader. 1...Original table glass, 4...Image reading unit, 5...
...Fluorescent lamp, 5a...Maximum distance part, O...Center,
X...Distance, Y...Illumination optical path.
Claims (1)
置において、蛍光灯の蛍光管がその中心から原稿
台上の原稿照明位置への照明光路部で前記中心か
らの距離が両側部分よりも大きくなる横断面形状
のものとしたことを特徴とする原稿照明装置。 In an illumination device that illuminates a document on a manuscript table with a fluorescent lamp, a cross section in which a fluorescent tube of the fluorescent lamp has a distance from the center in the illumination optical path section from the center to the document illumination position on the document table is larger than that on both sides. A document illumination device characterized by having a planar shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16048388U JPH0281544U (en) | 1988-12-09 | 1988-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16048388U JPH0281544U (en) | 1988-12-09 | 1988-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0281544U true JPH0281544U (en) | 1990-06-22 |
Family
ID=31442586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16048388U Pending JPH0281544U (en) | 1988-12-09 | 1988-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0281544U (en) |
-
1988
- 1988-12-09 JP JP16048388U patent/JPH0281544U/ja active Pending
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