JPS5860469U - Drive detection circuit - Google Patents
Drive detection circuitInfo
- Publication number
- JPS5860469U JPS5860469U JP15524781U JP15524781U JPS5860469U JP S5860469 U JPS5860469 U JP S5860469U JP 15524781 U JP15524781 U JP 15524781U JP 15524781 U JP15524781 U JP 15524781U JP S5860469 U JPS5860469 U JP S5860469U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- drive detection
- drive
- printing head
- resistor
- 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)
- Dot-Matrix Printers And Others (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例である駆動検出回路を示す図
である。
Ｌｌ：印字ヘッド駆動コイル、Ｑｌ：印字ヘッド駆動用
トランジスタ、ＰＨ□：フォトカプラ、Ｂ１：印字ヘッ
ド駆動用バッファ、ＯＰ□：オペアンプ、Ｒ□〜Ｒ１：
抵抗、Ａ：印字ヘッド駆動信号、Ｂ：駆動検出信号。FIG. 1 is a diagram showing a drive detection circuit which is an embodiment of the present invention. Ll: Print head drive coil, Ql: Print head drive transistor, PH□: Photocoupler, B1: Print head drive buffer, OP□: Operational amplifier, R□~R1:
Resistance, A: Print head drive signal, B: Drive detection signal.
Claims (1)
路において、前記印字ヘッドの駆動時に駆動制御用素子
により閉成される回路内に、電流制限用の抵抗と、該抵
抗に並列に接続される電流検出素子とを設けたことを特
徴とする駆動検出回路。In a drive detection circuit that detects the driving status of a printing head of a printing device, a current limiting resistor is connected in parallel to the resistor in a circuit that is closed by a drive control element when the printing head is driven. A drive detection circuit characterized in that it is provided with a current detection element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15524781U JPS5860469U (en) | 1981-10-19 | 1981-10-19 | Drive detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15524781U JPS5860469U (en) | 1981-10-19 | 1981-10-19 | Drive detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5860469U true JPS5860469U (en) | 1983-04-23 |
Family
ID=29947822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15524781U Pending JPS5860469U (en) | 1981-10-19 | 1981-10-19 | Drive detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5860469U (en) |
-
1981
- 1981-10-19 JP JP15524781U patent/JPS5860469U/en active Pending
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