JPH0272066U - - Google Patents
Info
- Publication number
- JPH0272066U JPH0272066U JP15119788U JP15119788U JPH0272066U JP H0272066 U JPH0272066 U JP H0272066U JP 15119788 U JP15119788 U JP 15119788U JP 15119788 U JP15119788 U JP 15119788U JP H0272066 U JPH0272066 U JP H0272066U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- light
- input device
- image input
- good optical
- 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
- 239000004020 conductor Substances 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Control Of Exposure In Printing And Copying (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図から第３図までは本考案を具体化した実
施例を示すもので、第１図は画像入力装置の内部
構造を示す断面図、第２図はその画像入力装置の
外観斜視図、第３図は本実施例の光量制御装置の
電気回路図である。
図中、１はスキヤナーユニツト部、５は原稿、
１０は光源、１１は読取素子、１８は光フアイバ
ー、１９は光量制御装置である。
1 to 3 show embodiments embodying the present invention, in which FIG. 1 is a sectional view showing the internal structure of an image input device, FIG. 2 is a perspective view of the external appearance of the image input device, FIG. 3 is an electrical circuit diagram of the light amount control device of this embodiment. In the figure, 1 is the scanner unit, 5 is the original,
10 is a light source, 11 is a reading element, 18 is an optical fiber, and 19 is a light amount control device.
Claims (1)
光を受光する画像読取器とを備える画像入力装置
において、 前記光源に近接した位置に光良導体の一端を配
置すると共に、該光良導体の他端を温度等の環境
変化の影響を受けない場所に設置される光量検知
器に接続し、該光量検知器による検知信号に基づ
き前記光源の光量が制御されるように構成される
ことを特徴とする画像入力装置における光源光量
の制御装置。[Claims for Utility Model Registration] An image input device comprising a light source and an image reader that receives reflected light from the light source on the surface of a document, wherein one end of a good optical conductor is disposed in a position close to the light source. At the same time, the other end of the good optical conductor is connected to a light amount detector installed in a place not affected by environmental changes such as temperature, so that the light amount of the light source is controlled based on the detection signal from the light amount detector. 1. A control device for controlling the amount of light from a light source in an image input device, characterized in that it is configured as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15119788U JPH0272066U (en) | 1988-11-18 | 1988-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15119788U JPH0272066U (en) | 1988-11-18 | 1988-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272066U true JPH0272066U (en) | 1990-06-01 |
Family
ID=31425028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15119788U Pending JPH0272066U (en) | 1988-11-18 | 1988-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272066U (en) |
-
1988
- 1988-11-18 JP JP15119788U patent/JPH0272066U/ja active Pending
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