JPS6172612U - - Google Patents
Info
- Publication number
- JPS6172612U JPS6172612U JP15736384U JP15736384U JPS6172612U JP S6172612 U JPS6172612 U JP S6172612U JP 15736384 U JP15736384 U JP 15736384U JP 15736384 U JP15736384 U JP 15736384U JP S6172612 U JPS6172612 U JP S6172612U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- light
- back sides
- feeding mechanism
- sides
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Controlling Sheets Or Webs (AREA)
Description
第１図は本考案の用紙の表裏判別機構の構成図
、第２図は第１図の要部平面図を示す。
図において、４は定形のカツト用紙、５は繰り
出された用紙、７は用紙の上面を検出するホトセ
ンサ、８は用紙の下面を検出するホトセンサ、７
−１と８−１とは発光素子、７−２と８−２とは
受光素子、１１は比較器、１２は表示器をそれぞ
れ示す。
FIG. 1 is a block diagram of a mechanism for determining the front and back sides of paper according to the present invention, and FIG. 2 is a plan view of the main part of FIG. 1. In the figure, 4 is a regular cut paper, 5 is a fed paper, 7 is a photo sensor that detects the top surface of the paper, 8 is a photo sensor that detects the bottom surface of the paper, 7
-1 and 8-1 are light emitting elements, 7-2 and 8-2 are light receiving elements, 11 is a comparator, and 12 is a display, respectively.
Claims (1)
搬送して一枚づつ印刷を行う印刷装置において、
前記給紙機構の繰り出し口に前記用紙の両面にそ
れぞれ対向して発光及び受光素子からなるホトセ
ンサを設け、該両受光素子の出力差により前記用
紙の表裏を判別する構成にしたことを特徴とする
用紙の表裏判別機構。 In a printing device that prints one sheet at a time by transporting a stack of standard-sized cut sheets using a paper feeding mechanism,
A photo sensor consisting of a light-emitting and a light-receiving element is provided at the feeding opening of the paper feeding mechanism so as to face both sides of the paper, and the front and back sides of the paper are determined based on the difference in output between the two light-receiving elements. Mechanism to distinguish between front and back sides of paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15736384U JPS6172612U (en) | 1984-10-17 | 1984-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15736384U JPS6172612U (en) | 1984-10-17 | 1984-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6172612U true JPS6172612U (en) | 1986-05-17 |
Family
ID=30715358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15736384U Pending JPS6172612U (en) | 1984-10-17 | 1984-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6172612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001205874A (en) * | 2000-01-28 | 2001-07-31 | Canon Inc | Apparatus for judging kind of printing medium and printing apparatus |
-
1984
- 1984-10-17 JP JP15736384U patent/JPS6172612U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001205874A (en) * | 2000-01-28 | 2001-07-31 | Canon Inc | Apparatus for judging kind of printing medium and printing apparatus |
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