JPS6146433U - Printer head temperature detection device - Google Patents
Printer head temperature detection deviceInfo
- Publication number
- JPS6146433U JPS6146433U JP13040584U JP13040584U JPS6146433U JP S6146433 U JPS6146433 U JP S6146433U JP 13040584 U JP13040584 U JP 13040584U JP 13040584 U JP13040584 U JP 13040584U JP S6146433 U JPS6146433 U JP S6146433U
- Authority
- JP
- Japan
- Prior art keywords
- printer head
- detection device
- temperature detection
- phototransistor
- head temperature
- 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)
- Radiation Pyrometers (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
【図面の簡単な説明】
第１図は本考案の一実施例を示す装置の構成図、第２図
は同装置の回路図、第３図はフォトトランジスタの出力
電圧と赤外線の量との関係を示す特性図、第４図は他の
実施例を示す回路図である。
１・・・・・・プリンタヘッド、１１，２１・・・・・
・可視光カットフィルタ付フオトトランジスダ、１２・
・曲前置増幅器、１３・・・・・・コンパレータ、１４
・・・・・・制御回路、■・・・・・・フォトトランジ
スタの出力電圧、ｖ２・・・・・・設定電圧。[Brief Description of the Drawings] Figure 1 is a configuration diagram of a device showing an embodiment of the present invention, Figure 2 is a circuit diagram of the same device, and Figure 3 is the relationship between the output voltage of a phototransistor and the amount of infrared rays. FIG. 4 is a circuit diagram showing another embodiment. 1... Printer head, 11, 21...
・Phototransistor with visible light cut filter, 12・
・Song preamplifier, 13...Comparator, 14
...Control circuit, ■...Output voltage of phototransistor, v2...Setting voltage.
Claims (1)
作するフォトトランジスタと、このフォトトランジスタ
の出力を増幅する前置増幅器と、上記フォトトランジス
ダの出力電圧と設定電圧とヲ比較するコンパレータと、
このコンパレータの出力により温度変化を検出する制御
回路とを具備したことを特徴とするプリンタヘッドの温
度検出装置。a phototransistor that operates based on the amount of infrared rays generated as the temperature of the printer head increases; a preamplifier that amplifies the output of the phototransistor; and a comparator that compares the output voltage of the phototransistor with a set voltage;
A temperature detection device for a printer head, comprising a control circuit that detects temperature changes based on the output of the comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13040584U JPS6146433U (en) | 1984-08-30 | 1984-08-30 | Printer head temperature detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13040584U JPS6146433U (en) | 1984-08-30 | 1984-08-30 | Printer head temperature detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6146433U true JPS6146433U (en) | 1986-03-28 |
Family
ID=30689013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13040584U Pending JPS6146433U (en) | 1984-08-30 | 1984-08-30 | Printer head temperature detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6146433U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523478A (en) * | 1975-06-26 | 1977-01-11 | Yokogawa Hokushin Electric Corp | Radiation detecting device |
| JPS5614125A (en) * | 1979-07-16 | 1981-02-10 | Daido Steel Co Ltd | Radiation thermometer |
-
1984
- 1984-08-30 JP JP13040584U patent/JPS6146433U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523478A (en) * | 1975-06-26 | 1977-01-11 | Yokogawa Hokushin Electric Corp | Radiation detecting device |
| JPS5614125A (en) * | 1979-07-16 | 1981-02-10 | Daido Steel Co Ltd | Radiation thermometer |
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