JPS60158177U - Optical detection device in printer - Google Patents
Optical detection device in printerInfo
- Publication number
- JPS60158177U JPS60158177U JP4580084U JP4580084U JPS60158177U JP S60158177 U JPS60158177 U JP S60158177U JP 4580084 U JP4580084 U JP 4580084U JP 4580084 U JP4580084 U JP 4580084U JP S60158177 U JPS60158177 U JP S60158177U
- Authority
- JP
- Japan
- Prior art keywords
- light
- printer
- detection device
- optical detection
- receiving element
- 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
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
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
図はこの考案の実施例を示すもので、第１図は回路図、
第２図はマイクロプロセッサの検出処理を示す流れ図、
第３図は各部の出力を示す波形図である。
１・・・発光ダイオード、２・・・ホトトランジスタ、
５・・・バッファ回路、６・・・マイクロプロセッサ、
６ａ・・・第１のタイマ、６ｂ・・・第２のタイマ。The figure shows an example of this invention, and Figure 1 is a circuit diagram;
Figure 2 is a flowchart showing the detection process of the microprocessor;
FIG. 3 is a waveform diagram showing the output of each part. 1... Light emitting diode, 2... Phototransistor,
5... Buffer circuit, 6... Microprocessor,
6a...first timer, 6b...second timer.
Claims (1)
被検出部材の通過部に設置し、前記受光素子からの信号
をチェックすることにより前記被検出部材の有無を検出
するプリンタにおける光学式検出装置において、前記発
光素子及び受光素子に電源を定期的に一定時間のみ供給
する手段と、その電源の供給時に前記受光素子からの信
号をチェックして被検出部材の有無を検出する手段とを
具備してなることを特徴とするプリンタにおける光学式
検出装置。In an optical detection device for a printer, a light-emitting element and a light-receiving element are installed in a passage portion of a detection target such as printing paper or an ink ribbon, and the presence or absence of the detection target is detected by checking a signal from the light-receiving element. , comprising means for periodically supplying power to the light-emitting element and the light-receiving element for a certain period of time, and means for checking a signal from the light-receiving element when the power is supplied to detect the presence or absence of a member to be detected. An optical detection device for a printer, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4580084U JPS60158177U (en) | 1984-03-29 | 1984-03-29 | Optical detection device in printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4580084U JPS60158177U (en) | 1984-03-29 | 1984-03-29 | Optical detection device in printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60158177U true JPS60158177U (en) | 1985-10-21 |
Family
ID=30559610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4580084U Pending JPS60158177U (en) | 1984-03-29 | 1984-03-29 | Optical detection device in printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60158177U (en) |
-
1984
- 1984-03-29 JP JP4580084U patent/JPS60158177U/en active Pending
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