JPH0260805U - - Google Patents
Info
- Publication number
- JPH0260805U JPH0260805U JP14001788U JP14001788U JPH0260805U JP H0260805 U JPH0260805 U JP H0260805U JP 14001788 U JP14001788 U JP 14001788U JP 14001788 U JP14001788 U JP 14001788U JP H0260805 U JPH0260805 U JP H0260805U
- Authority
- JP
- Japan
- Prior art keywords
- image pattern
- line width
- photo sensor
- detection device
- straight lines
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案の一実施例に係る線幅検出装置
の配置図、第２図は現像剤と照射光との関係を示
す模式図、第３図はフオトセンサの平面図、第４
図は線幅検出回路図、第５図、第６図は従来例に
係る現像剤と照射光との関係を示す模式図、第７
図、第８図、第９図は各種の画像パターン図であ
る。
５……フオトセンサ、４……画像パターン、
１，２……パターンの直線、，……発光点
と受光点を結ぶ線。
FIG. 1 is a layout diagram of a line width detection device according to an embodiment of the present invention, FIG. 2 is a schematic diagram showing the relationship between developer and irradiation light, FIG. 3 is a plan view of a photo sensor, and FIG.
The figure is a line width detection circuit diagram, Figures 5 and 6 are schematic diagrams showing the relationship between the developer and the irradiation light according to the conventional example, and Figure 7 is a schematic diagram showing the relationship between the developer and the irradiation light.
8 and 9 are various image pattern diagrams. 5...Photo sensor, 4...Image pattern,
1 , 2 ... Straight line of the pattern, ,... Line connecting the light emitting point and the light receiving point.
Claims (1)
ターンを形成し、この画像パターンを読み取つて
線幅を検出する画像パターンの線幅検出装置にお
いて、画像パターンの直線に対し、反射型のフオ
トセンサの発光点と受光点を結ぶ線がほぼ平行と
なるようにフオトセンサを配置したことを特徴と
する画像パターンの線幅検出装置。 In an image pattern line width detection device that forms a visible image pattern consisting of parallel straight lines on a photoconductor and detects the line width by reading this image pattern, a reflective photo sensor is used to detect the straight lines of the image pattern. 1. A line width detection device for an image pattern, characterized in that a photo sensor is arranged so that a line connecting a light emitting point and a light receiving point is substantially parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14001788U JPH069289Y2 (en) | 1988-10-28 | 1988-10-28 | Image pattern line width detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14001788U JPH069289Y2 (en) | 1988-10-28 | 1988-10-28 | Image pattern line width detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0260805U true JPH0260805U (en) | 1990-05-07 |
| JPH069289Y2 JPH069289Y2 (en) | 1994-03-09 |
Family
ID=31403805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14001788U Expired - Lifetime JPH069289Y2 (en) | 1988-10-28 | 1988-10-28 | Image pattern line width detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH069289Y2 (en) |
-
1988
- 1988-10-28 JP JP14001788U patent/JPH069289Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH069289Y2 (en) | 1994-03-09 |
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