JPS6235344U - - Google Patents
Info
- Publication number
- JPS6235344U JPS6235344U JP12619985U JP12619985U JPS6235344U JP S6235344 U JPS6235344 U JP S6235344U JP 12619985 U JP12619985 U JP 12619985U JP 12619985 U JP12619985 U JP 12619985U JP S6235344 U JPS6235344 U JP S6235344U
- Authority
- JP
- Japan
- Prior art keywords
- shade
- illumination lamp
- light
- document
- scanner
- 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
- 238000005286 illumination Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Facsimile Scanning Arrangements (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図〜第５図はこの考案の一例を示す構成図
、第６図はこの考案の他の例の構成図、第７図お
よび第８図はこの考案を説明するための構成図で
ある。
３は照明ランプ、４〜６はミラー、７はレンズ
、８は感光ドラム、２１は可変シエード、２２は
開口、２６はモーター、３２はフオトセンサであ
る。
Figures 1 to 5 are block diagrams showing one example of this device, Figure 6 is a block diagram of another example of this device, and Figures 7 and 8 are block diagrams for explaining this device. . 3 is an illumination lamp, 4 to 6 are mirrors, 7 is a lens, 8 is a photosensitive drum, 21 is a variable shade, 22 is an aperture, 26 is a motor, and 32 is a photo sensor.
Claims (1)
する照明ランプと、 この照明ランプにより照明された上記原稿から
の反射光が供給される感光ドラムなどの受光部と
、 上記照明ランプからの直接光を遮るシエードと
を有し、 上記シエードは上記原稿の大きさに対応してそ
の遮光範囲が可変とされ、 上記照明ランプからの直接光のうち、上記原稿
を照明しない光が上記シエードにより遮られるよ
うにしたシエード装置。[Scope of claim for utility model registration] In a copy machine, scanner, etc., an illumination lamp that illuminates the document in the copy machine or scanner, and a photosensitive drum to which light reflected from the document illuminated by the illumination lamp is supplied. and a shade that blocks direct light from the illumination lamp, the shade has a light blocking range that is variable in accordance with the size of the document, and of the direct light from the illumination lamp, A shade device in which light that does not illuminate the original is blocked by the shade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12619985U JPS6235344U (en) | 1985-08-19 | 1985-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12619985U JPS6235344U (en) | 1985-08-19 | 1985-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6235344U true JPS6235344U (en) | 1987-03-02 |
Family
ID=31019776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12619985U Pending JPS6235344U (en) | 1985-08-19 | 1985-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6235344U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984233A (en) * | 1982-11-05 | 1984-05-15 | Fuji Xerox Co Ltd | Light shielding device for unnecessary light of copying machine |
-
1985
- 1985-08-19 JP JP12619985U patent/JPS6235344U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5984233A (en) * | 1982-11-05 | 1984-05-15 | Fuji Xerox Co Ltd | Light shielding device for unnecessary light of copying machine |