JPS6335039U - - Google Patents
Info
- Publication number
- JPS6335039U JPS6335039U JP12724986U JP12724986U JPS6335039U JP S6335039 U JPS6335039 U JP S6335039U JP 12724986 U JP12724986 U JP 12724986U JP 12724986 U JP12724986 U JP 12724986U JP S6335039 U JPS6335039 U JP S6335039U
- Authority
- JP
- Japan
- Prior art keywords
- document
- illumination device
- fluorescent lamp
- slit
- illumination
- 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 6
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Description
第１図は本考案の実施例を示す断面図。第２図
はアパーチヤータイプの蛍光灯の従来の使用方法
による欠点を説明する説明図。第３図ａ，ｂ，ｂ
，ｂは異る濃度パターンによる読取り濃度出力を
比較するための濃度パターンを示す図式図である
。
１…アパーチヤー型蛍光灯、２…アパーチヤー
、３…コンタクトガラス、４…原稿、Ｏ…蛍光灯
中心、Ｓ…スリツト照明範囲。
FIG. 1 is a sectional view showing an embodiment of the present invention. FIG. 2 is an explanatory diagram illustrating the drawbacks of the conventional method of using an aperture type fluorescent lamp. Figure 3 a, b, b
, b are schematic diagrams showing density patterns for comparing read density outputs of different density patterns. 1...Aperture type fluorescent lamp, 2...Aperture, 3...Contact glass, 4...Original, O...Center of fluorescent lamp, S...Slit illumination range.
補正 昭６１．１１．２０
図面の簡単な説明を次のように補正する。
明細書第６頁第１１行記載の「第３図ａ，ｂ，
ｂ，ｂ」を「第３図ａ，ｂ，ｃ，ｄ」と訂正しま
す。Amendment November 20, 1981 The brief description of the drawing is amended as follows. “Figure 3 a, b,
Correct "b, b" to "Figure 3 a, b, c, d".
Claims (1)
使用し、これと相対移動する原稿を所定の幅でス
リツト照明して露光走査を行なう複写機等の原稿
照明装置において、上記の原稿スリツト照明範囲
が、上記の蛍光灯の中心とアパーチヤー開口部両
端を夫々通る２つの直線によつて挾まれる領域外
にあることを特徴とする原稿照明装置。 In a document illumination device such as a copying machine that uses an aperture type fluorescent lamp as an illumination light source and performs exposure scanning by illuminating a document moving relative to it with a slit in a predetermined width, the document slit illumination range described above is A document illumination device characterized in that the document illumination device is located outside an area sandwiched by two straight lines passing through the center of a fluorescent lamp and both ends of an aperture opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12724986U JPS6335039U (en) | 1986-08-22 | 1986-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12724986U JPS6335039U (en) | 1986-08-22 | 1986-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6335039U true JPS6335039U (en) | 1988-03-07 |
Family
ID=31021818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12724986U Pending JPS6335039U (en) | 1986-08-22 | 1986-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6335039U (en) |
-
1986
- 1986-08-22 JP JP12724986U patent/JPS6335039U/ja active Pending
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