JPH0229736U - - Google Patents
Info
- Publication number
- JPH0229736U JPH0229736U JP10749388U JP10749388U JPH0229736U JP H0229736 U JPH0229736 U JP H0229736U JP 10749388 U JP10749388 U JP 10749388U JP 10749388 U JP10749388 U JP 10749388U JP H0229736 U JPH0229736 U JP H0229736U
- Authority
- JP
- Japan
- Prior art keywords
- detecting
- printing
- line
- thermal head
- drive
- 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
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案に係る一実施例を示したサーマ
ルヘツド駆動装置のブロツク図、第２図は第１図
の各部の信号波形を示したタイミングチヤート、
第３図はＣＰＵ１７の動作を示したフローチヤー
トである。
１１……サーマルヘツド、１１ａ……発熱抵抗
体、１６……プログラマブルインターバルタイマ
（ＰＩＴ）、１７……ＣＰＵ。
FIG. 1 is a block diagram of a thermal head drive device showing one embodiment of the present invention, and FIG. 2 is a timing chart showing signal waveforms at various parts of FIG.
FIG. 3 is a flow chart showing the operation of the CPU 17. 11...Thermal head, 11a...Heating resistor, 16...Programmable interval timer (PIT), 17...CPU.
Claims (1)
ラインを印字させるための駆動信号を順次各発熱
抵抗体へ出力して前記サーマルヘツドを駆動する
駆動回路とを備えたサーマルヘツド駆動装置にお
いて、 連続して所定幅のパルス信号を前記駆動回路へ
出力するパルス発生手段と、１ライン毎の印字開
始を検出する検出手段と、この検出手段からの検
出出力に基づき前記パルス発生手段に起動信号を
出力する制御手段とを備えたことを特徴とするサ
ーマルヘツド駆動装置。[Claims for Utility Model Registration] A thermal head consisting of a plurality of heating resistors;
In a thermal head drive device comprising a drive circuit that drives the thermal head by sequentially outputting a drive signal for printing a line to each heating resistor, a pulse signal of a predetermined width is continuously output to the drive circuit. A thermal printer comprising a pulse generating means for detecting the start of printing for each line, a detecting means for detecting the start of printing for each line, and a control means for outputting a start signal to the pulse generating means based on the detection output from the detecting means. Head drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10749388U JPH0229736U (en) | 1988-08-15 | 1988-08-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10749388U JPH0229736U (en) | 1988-08-15 | 1988-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0229736U true JPH0229736U (en) | 1990-02-26 |
Family
ID=31341958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10749388U Pending JPH0229736U (en) | 1988-08-15 | 1988-08-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0229736U (en) |
-
1988
- 1988-08-15 JP JP10749388U patent/JPH0229736U/ja active Pending
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