JPS6146651U - Mark detection device - Google Patents
Mark detection deviceInfo
- Publication number
- JPS6146651U JPS6146651U JP13103984U JP13103984U JPS6146651U JP S6146651 U JPS6146651 U JP S6146651U JP 13103984 U JP13103984 U JP 13103984U JP 13103984 U JP13103984 U JP 13103984U JP S6146651 U JPS6146651 U JP S6146651U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- mark detection
- photoelectric sensor
- reflective photoelectric
- mark
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例の電気回路図である。
第２図はこの考案の一実施例に用いられる反射型光電セ
ンサの配置図である。
第３図は第１図に示したマーク検出装置から得られる信
号のレベルを示す図である。
第４図は従来のマーク検出装置の電気回路図である。
第５図は従来のマーク検出装置で厚い封筒の黒色マーク
を検出する場合を示す図である。
第６図は同じく薄い封筒の黒色マークを検出する場合を
示す図である。
図において、１．１２は発光ダイオード、２は封筒、３
は黒色マーク、４，１３はフォトトランジスタ、５，６
，１４．１５は抵抗、７はコンパレータ、９は第１の反
射型光電センサ、１８は第２の反射型光電センサを示す
。FIG. 1 is an electrical circuit diagram of one embodiment of this invention. FIG. 2 is a layout diagram of a reflective photoelectric sensor used in an embodiment of this invention. FIG. 3 is a diagram showing the level of a signal obtained from the mark detection device shown in FIG. 1. FIG. 4 is an electrical circuit diagram of a conventional mark detection device. FIG. 5 is a diagram showing a case where a conventional mark detection device detects a black mark on a thick envelope. FIG. 6 is a diagram showing the case of detecting a black mark on a thin envelope. In the figure, 1.12 is a light emitting diode, 2 is an envelope, and 3
is a black mark, 4, 13 is a phototransistor, 5, 6
, 14 and 15 are resistors, 7 is a comparator, 9 is a first reflective photoelectric sensor, and 18 is a second reflective photoelectric sensor.
Claims (1)
の反射型光電センサを用いて、白地の紙、葉類に印刷ま
たは貼り付けられた黒色マークを検出するマーク検出装
置において、 前記黒色マークの近傍の白地を検出するための第２の反
射型光電センサ、および 前記第２の反射型光電センサの出力を基準信号として受
け、この基準信号と前記第１の反射型光電センサの出力
とを比較してマーク検出信号を発生する比較手段を備え
た、マーク検出装置。[Claims for Utility Model Registration]
A mark detection device that uses a reflective photoelectric sensor to detect a black mark printed or pasted on a white paper or leaf, comprising: a second reflective photoelectric sensor for detecting a white background near the black mark; and a comparing means for receiving the output of the sensor and the second reflective photoelectric sensor as a reference signal, and comparing the reference signal with the output of the first reflective photoelectric sensor to generate a mark detection signal. Mark detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13103984U JPS6146651U (en) | 1984-08-29 | 1984-08-29 | Mark detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13103984U JPS6146651U (en) | 1984-08-29 | 1984-08-29 | Mark detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6146651U true JPS6146651U (en) | 1986-03-28 |
Family
ID=30689632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13103984U Pending JPS6146651U (en) | 1984-08-29 | 1984-08-29 | Mark detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6146651U (en) |
-
1984
- 1984-08-29 JP JP13103984U patent/JPS6146651U/en active Pending
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