JPS603644U - Fluorescent lamp for document illumination - Google Patents
Fluorescent lamp for document illuminationInfo
- Publication number
- JPS603644U JPS603644U JP9614283U JP9614283U JPS603644U JP S603644 U JPS603644 U JP S603644U JP 9614283 U JP9614283 U JP 9614283U JP 9614283 U JP9614283 U JP 9614283U JP S603644 U JPS603644 U JP S603644U
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent lamp
- document illumination
- transparent opening
- length direction
- model registration
- 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
- Vessels And Coating Films For Discharge Lamps (AREA)
- 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ａおよびｂは従来Ｑアパチャー螢光灯の正面図お
よび横断面図、第２図ａおよびｂは第１図に余す螢光灯
による放射光量分布と補正された放射光量分布を示すグ
ラフ、第３図は第１図に示す螢光灯を使用する場合に放
射光量分布を補正するために使用する光量補正板の使用
例を示す斜視図、第４図および第５図は本考案の第１お
よび第２実施例を示す螢光灯の正面図である。
尾２図
（ｂ）Figures 1 a and b are a front view and a cross-sectional view of a conventional Q aperture fluorescent lamp, and Figures 2 a and b are graphs showing the radiated light amount distribution and corrected radiated light amount distribution by the fluorescent lamp remaining in Figure 1. , FIG. 3 is a perspective view showing an example of the use of the light amount correction plate used to correct the radiation amount distribution when using the fluorescent lamp shown in FIG. 1, and FIGS. FIG. 2 is a front view of a fluorescent lamp showing first and second embodiments. Tail figure 2 (b)
Claims (3)
と螢光体を塗布し、゛その一部に前記拡散反射膜および
螢光体を塗布しない透明な開口部を設け、光を該透明開
口部から放射させる原稿照明用蛍光灯において、前記螢
光灯の長さ方向における前記透明開口部からの放射光量
分布かはＳ゛均一なるように前記透明開口部の面積を長
さ方向にわたって変化させたことを特徴とする原稿照明
用蛍光灯。(1) Coating the inner surface of a rod-shaped fluorescent lamp with a diffuse reflection film and phosphor having high reflectance, and providing a transparent opening portion in which the diffuse reflection film and phosphor are not coated; In a fluorescent lamp for document illumination that emits light from the transparent opening, the area of the transparent opening is lengthened so that the distribution of the amount of light emitted from the transparent opening in the length direction of the fluorescent lamp is uniform. A fluorescent lamp for document illumination, characterized in that the lamp is varied in the horizontal direction.
蛍光灯であって、前記長さ方向と垂直な方向における該
透明開口部の横幅を該螢光灯の両端部において最大とし
てその中央において最小とすることを特徴とする原稿照
明用蛍光灯。(2) A fluorescent lamp for document illumination according to claim 1 of the utility model registration claim, wherein the width of the transparent opening in the direction perpendicular to the length direction is the maximum at both ends of the fluorescent lamp, and the width is at the center thereof. A fluorescent lamp for document illumination, characterized in that:
蛍光灯であって、前記透明開口部が、前記長さ方向と垂
直な方向における該透明開口部の横幅ははＳ゛等しいが
、該長さ方向における距離゛が該螢光灯の両端部におい
て最大であり、その中央において最小であるような複数
の矩形状開口から構成されていることを特徴とする原稿
照明用蛍光灯。(3) Utility model registration The fluorescent lamp for document illumination according to claim 1, wherein the transparent opening has a width equal to S in a direction perpendicular to the length direction, A fluorescent lamp for document illumination, characterized in that it is composed of a plurality of rectangular openings whose distance in the length direction is maximum at both ends of the fluorescent lamp and minimum at the center thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9614283U JPS603644U (en) | 1983-06-22 | 1983-06-22 | Fluorescent lamp for document illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9614283U JPS603644U (en) | 1983-06-22 | 1983-06-22 | Fluorescent lamp for document illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS603644U true JPS603644U (en) | 1985-01-11 |
Family
ID=30229261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9614283U Pending JPS603644U (en) | 1983-06-22 | 1983-06-22 | Fluorescent lamp for document illumination |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS603644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS645560U (en) * | 1987-06-26 | 1989-01-12 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3717781A (en) * | 1969-09-19 | 1973-02-20 | Sylvania Electric Prod | Aperture fluorescent lamp having uniform surface brightness |
| JPS5711465A (en) * | 1980-05-19 | 1982-01-21 | Xerox Corp | Low pressure arc discharge lamp |
-
1983
- 1983-06-22 JP JP9614283U patent/JPS603644U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3717781A (en) * | 1969-09-19 | 1973-02-20 | Sylvania Electric Prod | Aperture fluorescent lamp having uniform surface brightness |
| JPS5711465A (en) * | 1980-05-19 | 1982-01-21 | Xerox Corp | Low pressure arc discharge lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS645560U (en) * | 1987-06-26 | 1989-01-12 |
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