JPH0262452U - - Google Patents
Info
- Publication number
- JPH0262452U JPH0262452U JP13884488U JP13884488U JPH0262452U JP H0262452 U JPH0262452 U JP H0262452U JP 13884488 U JP13884488 U JP 13884488U JP 13884488 U JP13884488 U JP 13884488U JP H0262452 U JPH0262452 U JP H0262452U
- Authority
- JP
- Japan
- Prior art keywords
- light
- transparent plate
- illumination lamp
- shielding member
- receiving sensor
- 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 11
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Exposure In Printing And Copying (AREA)
- Facsimile Scanning Arrangements (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案の原稿照明装置の概略断面図、
第２図は照明ランプ１に係る制御回路構成を示す
ブロツク図、第３図は本考案の作用を説明するた
めの図、第４図は従来の原稿照明装置を示す概略
断面図である。
１……照明ランプ、１ａ……照明部、２……透
明板、６……受光センサ、７……ハーフミラー（
遮光部材）。
FIG. 1 is a schematic cross-sectional view of the document illumination device of the present invention;
FIG. 2 is a block diagram showing a control circuit configuration related to the illumination lamp 1, FIG. 3 is a diagram for explaining the operation of the present invention, and FIG. 4 is a schematic sectional view showing a conventional document illumination device. DESCRIPTION OF SYMBOLS 1...Illumination lamp, 1a...Illumination part, 2...Transparent plate, 6...Light receiving sensor, 7...Half mirror (
light shielding member).
Claims (1)
して原稿に導かれるべく構成されると共に、該照
明ランプの近傍に配置され、該照明ランプの光量
を検出する受光センサを有する原稿照明装置にお
いて、 上記透明板と受光センサの間に配置され、透明
板側から受光センサに向かつて入射される光の透
過を阻止する遮光部材を有することを特徴とする
原稿照明装置。 (2) 上記遮光部材がハーフミラーであることを
特徴とする実用新案登録請求の範囲第１項記載の
原稿照明装置。 (3) 上記遮光部材は透明板と照明ランプとの間
に配置されていることを特徴とする実用新案登録
請求の範囲第１項記載の原稿照明装置。[Claims for Utility Model Registration] (1) The device is constructed so that the light projected from the illumination lamp is guided to the original through a transparent plate, and is arranged near the illumination lamp to detect the amount of light from the illumination lamp. A document illuminating device having a light-receiving sensor, comprising a light-shielding member disposed between the transparent plate and the light-receiving sensor to block transmission of light incident from the transparent plate toward the light-receiving sensor. lighting equipment. (2) The document illumination device according to claim 1, wherein the light shielding member is a half mirror. (3) The document illumination device according to claim 1, wherein the light shielding member is disposed between the transparent plate and the illumination lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13884488U JPH0262452U (en) | 1988-10-25 | 1988-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13884488U JPH0262452U (en) | 1988-10-25 | 1988-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0262452U true JPH0262452U (en) | 1990-05-10 |
Family
ID=31401560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13884488U Pending JPH0262452U (en) | 1988-10-25 | 1988-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0262452U (en) |
-
1988
- 1988-10-25 JP JP13884488U patent/JPH0262452U/ja active Pending
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