JPH0420758U - - Google Patents
Info
- Publication number
- JPH0420758U JPH0420758U JP6263190U JP6263190U JPH0420758U JP H0420758 U JPH0420758 U JP H0420758U JP 6263190 U JP6263190 U JP 6263190U JP 6263190 U JP6263190 U JP 6263190U JP H0420758 U JPH0420758 U JP H0420758U
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent tube
- light source
- source device
- reading light
- illuminates
- 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
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Facsimile Scanning Arrangements (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Description
第１図は本考案の一実施例による原稿読取光源
装置の斜視図、第２図はその装置に使用する放熱
体の斜視図、第３図Ａは従来例における立ち上げ
時の照度変化を示すグラフ、第３図Ｂは上記実施
例における立ち上げ時の照度変化を示すグラフ、
第３図Ｃは上記実施例及び従来例における立ち上
げ時の照度変化を示すグラフ、第４図Ａ，Ｂ，Ｃ
はそれぞれ従来の光源装置の例を示す斜視図であ
る。
１……蛍光管、２……基板、３……支持板、４
……ソケツト、５……反射板、７……放熱体。
Fig. 1 is a perspective view of a document reading light source device according to an embodiment of the present invention, Fig. 2 is a perspective view of a heat sink used in the device, and Fig. 3A shows changes in illuminance at startup in a conventional example. Graph, FIG. 3B is a graph showing the illuminance change at startup in the above example,
Figure 3C is a graph showing illuminance changes at startup in the above embodiment and conventional example; Figures 4A, B, and C
2A and 2B are perspective views showing examples of conventional light source devices, respectively. 1...Fluorescent tube, 2...Substrate, 3...Support plate, 4
...Socket, 5...Reflector, 7... Heat sink.
Claims (1)
に照射位置を避けて取付けられ、かつ前記蛍光管
の熱を放熱する放熱体とを有する原稿読取光源装
置。 A document reading light source device comprising a fluorescent tube that illuminates a document surface, and a heat radiator that is attached to both ends of the fluorescent tube to avoid the irradiation position and that radiates heat from the fluorescent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6263190U JPH0420758U (en) | 1990-06-13 | 1990-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6263190U JPH0420758U (en) | 1990-06-13 | 1990-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420758U true JPH0420758U (en) | 1992-02-21 |
Family
ID=31591958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6263190U Pending JPH0420758U (en) | 1990-06-13 | 1990-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420758U (en) |
-
1990
- 1990-06-13 JP JP6263190U patent/JPH0420758U/ja active Pending
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