JPH0282873U - - Google Patents
Info
- Publication number
- JPH0282873U JPH0282873U JP16206388U JP16206388U JPH0282873U JP H0282873 U JPH0282873 U JP H0282873U JP 16206388 U JP16206388 U JP 16206388U JP 16206388 U JP16206388 U JP 16206388U JP H0282873 U JPH0282873 U JP H0282873U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- tube wall
- heat capacity
- large heat
- present
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Description
第１図から第３図迄は本考案を具体化した実施
例を示すもので、第１図は、放電灯周辺部の断面
図、第２図は、本考案の放電灯の管壁温度と点灯
時間の関係を示した図、第３図は、本考案の放電
灯を用いた画像読取り装置の全体の構成図である
。
図中、１は螢光灯、２は大熱容量物質（水）、
３は透明部材、４はゴムパツキング、５は原稿台
、６は原稿、７は結像レンズ、８はイメージセン
サ（光電変換器）、９はイメージセンサ駆動回路
、１０は信号処理回路である。
Figures 1 to 3 show examples embodying the present invention. Figure 1 is a cross-sectional view of the peripheral area of the discharge lamp, and Figure 2 is a diagram showing the temperature and temperature of the tube wall of the discharge lamp of the present invention. FIG. 3, which is a diagram showing the relationship between lighting times, is an overall configuration diagram of an image reading device using the discharge lamp of the present invention. In the figure, 1 is a fluorescent lamp, 2 is a large heat capacity substance (water),
3 is a transparent member, 4 is a rubber packing, 5 is an original table, 6 is an original, 7 is an imaging lens, 8 is an image sensor (photoelectric converter), 9 is an image sensor drive circuit, and 10 is a signal processing circuit.
Claims (1)
管壁の少くとも一部に密着して熱容量の大きな物
質を設けたことを特徴とする放電灯。 A discharge lamp for illuminating an object to be read, characterized in that a material having a large heat capacity is provided in close contact with at least a part of a tube wall of the discharge lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16206388U JPH0282873U (en) | 1988-12-14 | 1988-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16206388U JPH0282873U (en) | 1988-12-14 | 1988-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0282873U true JPH0282873U (en) | 1990-06-27 |
Family
ID=31445554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16206388U Pending JPH0282873U (en) | 1988-12-14 | 1988-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0282873U (en) |
-
1988
- 1988-12-14 JP JP16206388U patent/JPH0282873U/ja active Pending