JPH0193440U - - Google Patents
Info
- Publication number
- JPH0193440U JPH0193440U JP18882087U JP18882087U JPH0193440U JP H0193440 U JPH0193440 U JP H0193440U JP 18882087 U JP18882087 U JP 18882087U JP 18882087 U JP18882087 U JP 18882087U JP H0193440 U JPH0193440 U JP H0193440U
- Authority
- JP
- Japan
- Prior art keywords
- heating elements
- temperature
- recording paper
- thermal printer
- heating 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
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案に係るサーマルプリンタと記録
紙の関係を示す説明図、第２図は本考案に係るサ
ーマルプリンタの制御フロー図、第３図は付加発
熱素子の印加エネルギーとサーマルヘツドの温度
との関係を示す図、第４図はサーマルプリンタの
原理図、第５図は従来のサーマルヘツドの発熱素
子と記録紙の関係を示す図、第６図は印写時の画
像温度の状態を示す図で第６図ａは記録紙の横方
向、第６図ｂは記録紙の送り方向の画像濃度変化
を示す図である。
１……転写フイルム、２……記録紙、３……サ
ーマルヘツド、４……プラテンローラ、５……発
熱素子、６……付加発熱素子、７……温度検出手
段。
Figure 1 is an explanatory diagram showing the relationship between the thermal printer according to the present invention and recording paper, Figure 2 is a control flow diagram of the thermal printer according to the present invention, and Figure 3 is the applied energy of the additional heating element and the temperature of the thermal head. Figure 4 is a diagram showing the principle of a thermal printer, Figure 5 is a diagram showing the relationship between the heating element of a conventional thermal head and recording paper, and Figure 6 is a diagram showing the state of image temperature during printing. In the diagrams shown, FIG. 6a shows changes in image density in the lateral direction of the recording paper, and FIG. 6b shows changes in image density in the feeding direction of the recording paper. DESCRIPTION OF SYMBOLS 1...Transfer film, 2...Recording paper, 3...Thermal head, 4...Platen roller, 5...Heating element, 6...Additional heating element, 7...Temperature detection means.
Claims (1)
に従つて演算処理装置を介して該当する発熱素子
を発熱させ、インクを記録紙に転写させるサーマ
ルプリンタおいて、 列状に並んだ発熱素子の両端に１個もしくは複
数個の印字に使用しない付加発熱素子を配置する
ことと、該発熱素子を保持するヘツドと記録紙表
面温度のいずれかを検出する温度検出手段と、該
温度検出手段による検出信号に応じて前記付加発
熱素子の印加エネルギーを制御する手段とを有す
ることを特徴とするサーマルプリンタ。[Claims for Utility Model Registration] A thermal printer that has a plurality of heating elements arranged in a row, and that generates heat in the heating elements via an arithmetic processing unit in accordance with a recording command to transfer ink to recording paper. One or more additional heating elements not used for printing are arranged at both ends of the heating elements arranged in a row, and a temperature is set to detect either the temperature of the head holding the heating element or the surface temperature of the recording paper. A thermal printer comprising: a detecting means; and a means for controlling the energy applied to the additional heating element in accordance with a detection signal from the temperature detecting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18882087U JPH0193440U (en) | 1987-12-14 | 1987-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18882087U JPH0193440U (en) | 1987-12-14 | 1987-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193440U true JPH0193440U (en) | 1989-06-20 |
Family
ID=31479889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18882087U Pending JPH0193440U (en) | 1987-12-14 | 1987-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009292011A (en) * | 2008-06-04 | 2009-12-17 | Canon Inc | Printing apparatus and control method thereof, program and recording medium |
-
1987
- 1987-12-14 JP JP18882087U patent/JPH0193440U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009292011A (en) * | 2008-06-04 | 2009-12-17 | Canon Inc | Printing apparatus and control method thereof, program and recording medium |
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