JPS6360143U - - Google Patents
Info
- Publication number
- JPS6360143U JPS6360143U JP15495486U JP15495486U JPS6360143U JP S6360143 U JPS6360143 U JP S6360143U JP 15495486 U JP15495486 U JP 15495486U JP 15495486 U JP15495486 U JP 15495486U JP S6360143 U JPS6360143 U JP S6360143U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- irradiation port
- light
- fresnel lens
- lens
- 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
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図は従来のバツクライト装置の断面図である。
１１…筐体、１５…光源、１９…集光レンズ、
２５…照射口、２８…フレネルレンズ。
FIG. 1 is a sectional view showing an embodiment of this invention, and FIG. 2 is a sectional view of a conventional backlight device. 11... Housing, 15... Light source, 19... Condenser lens,
25...Irradiation port, 28...Fresnel lens.
Claims (1)
設け、この光源と上記照射口との間に集光レンズ
およびフレネルレンズを設け、上記光源の光を上
記集光レンズおよびフレネルレンズを通して上記
照射口に向けて照射することを特徴とした静電複
写機のバツクライト装置。 A light source is provided in a housing having an irradiation port on one end surface, a condensing lens and a Fresnel lens are provided between the light source and the irradiation port, and the light from the light source passes through the condensing lens and the Fresnel lens to irradiate the above. A backlight device for an electrostatic copying machine that emits light toward the mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15495486U JPS6360143U (en) | 1986-10-09 | 1986-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15495486U JPS6360143U (en) | 1986-10-09 | 1986-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6360143U true JPS6360143U (en) | 1988-04-21 |
Family
ID=31075214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15495486U Pending JPS6360143U (en) | 1986-10-09 | 1986-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6360143U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5823010A (en) * | 1981-08-04 | 1983-02-10 | Nec Corp | Lighting method |
| JPS597928A (en) * | 1982-07-06 | 1984-01-17 | Alps Electric Co Ltd | Transmission type liquid crystal display device |
-
1986
- 1986-10-09 JP JP15495486U patent/JPS6360143U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5823010A (en) * | 1981-08-04 | 1983-02-10 | Nec Corp | Lighting method |
| JPS597928A (en) * | 1982-07-06 | 1984-01-17 | Alps Electric Co Ltd | Transmission type liquid crystal display device |
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