JPS634539U - - Google Patents
Info
- Publication number
- JPS634539U JPS634539U JP9849986U JP9849986U JPS634539U JP S634539 U JPS634539 U JP S634539U JP 9849986 U JP9849986 U JP 9849986U JP 9849986 U JP9849986 U JP 9849986U JP S634539 U JPS634539 U JP S634539U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- light
- luminous flux
- slit exposure
- document
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims 4
- 238000005286 illumination Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第1図は本考案の実施例の断面図、第2図、第
3図は従来の照明装置の断面図、第4図は従来の
照明装置のプラテン上での光量分布を表わす図、
第5図は遮光板をとり入れた従来の照明装置の断
面図、第6図a及び第6図bは夫々本考案の別の
実施例の斜視図、第7図は本考案を適用した電子
写真装置の断面図である。
図において1は光源、2A,2Bは反射扱、3
はプラテン、4はプラテン上のスリツト状の被照
明領域、5,5A,5Bは遮光板、6A,6Bは
光線方向規制板である。
FIG. 1 is a sectional view of an embodiment of the present invention, FIGS. 2 and 3 are sectional views of a conventional lighting device, and FIG. 4 is a diagram showing the light amount distribution on the platen of the conventional lighting device.
FIG. 5 is a sectional view of a conventional lighting device incorporating a light shielding plate, FIGS. 6a and 6b are perspective views of other embodiments of the present invention, and FIG. 7 is an electronic photograph to which the present invention is applied. FIG. 2 is a cross-sectional view of the device. In the figure, 1 is a light source, 2A and 2B are reflections, and 3
4 is a platen, 4 is a slit-shaped illuminated area on the platen, 5, 5A, and 5B are light shielding plates, and 6A, 6B are light beam direction regulating plates.
Claims (1)
照明装置において、 原稿を露光するための光源と、光源からの光束
をスリツト部に導くための反射板と、光源からの
不要な光束を遮光する遮光手段とを有し、この遮
光手段は光束を通過させる開口部とこの開口部で
更に光束を規制する規制部材を有することを特徴
とするスリツト露光型照明装置。[Scope of Claim for Utility Model Registration] A slit exposure type illumination device for slit exposure of a document, which includes a light source for exposing the document, a reflector plate for guiding the light flux from the light source to the slit portion, and an unnecessary light source from the light source. 1. A slit exposure type illumination device comprising: a light shielding means for shielding a luminous flux, the light shielding means having an opening through which the luminous flux passes, and a regulating member further regulating the luminous flux at the opening.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9849986U JPS634539U (en) | 1986-06-27 | 1986-06-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9849986U JPS634539U (en) | 1986-06-27 | 1986-06-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS634539U true JPS634539U (en) | 1988-01-13 |
Family
ID=30966488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9849986U Pending JPS634539U (en) | 1986-06-27 | 1986-06-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS634539U (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5395023A (en) * | 1977-01-31 | 1978-08-19 | Fuji Xerox Co Ltd | Copying machine llght system |
JPS53139538A (en) * | 1977-05-12 | 1978-12-05 | Fuji Xerox Co Ltd | Reflecting plate for exposure lamp in copier |
JPS567940B2 (en) * | 1976-02-09 | 1981-02-20 | ||
JPS59228245A (en) * | 1983-06-09 | 1984-12-21 | Ricoh Co Ltd | Lighting equipment |
-
1986
- 1986-06-27 JP JP9849986U patent/JPS634539U/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS567940B2 (en) * | 1976-02-09 | 1981-02-20 | ||
JPS5395023A (en) * | 1977-01-31 | 1978-08-19 | Fuji Xerox Co Ltd | Copying machine llght system |
JPS53139538A (en) * | 1977-05-12 | 1978-12-05 | Fuji Xerox Co Ltd | Reflecting plate for exposure lamp in copier |
JPS59228245A (en) * | 1983-06-09 | 1984-12-21 | Ricoh Co Ltd | Lighting equipment |
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