JPH0469146U - - Google Patents
Info
- Publication number
- JPH0469146U JPH0469146U JP11224290U JP11224290U JPH0469146U JP H0469146 U JPH0469146 U JP H0469146U JP 11224290 U JP11224290 U JP 11224290U JP 11224290 U JP11224290 U JP 11224290U JP H0469146 U JPH0469146 U JP H0469146U
- Authority
- JP
- Japan
- Prior art keywords
- pulse power
- line
- printing
- storage means
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案による感熱記録装置の第１実施
例の機能の説明図、第２図は同第１実施例の回路
図、第３図は同第１実施例のタイムチヤート、第
４図は本考案による感熱記録装置の第２実施例の
機能の説明図、第５図は同第２実施例の回路図、
第６図は同第２実施例のタイムチヤート、第７図
は感熱記録装置の要部の斜視図、第８〜１０図は
従来の感熱記録装置の作用の説明図、第１１図は
着目ドツト印字用発熱抵抗体が周囲の印字ドツト
の印字熱から受ける影響の一例を示す図、第１２
図は着目ドツト印字用発熱抵抗体が周囲の印字ド
ツトの印字熱から受ける影響の他の一例を示す図
、である。
１……発熱抵抗体、６……現ライン印字信号記
憶手段（第１ラツチ回路群）、７……前ライン印
字信号記憶手段（第２ラツチ回路群）、８……前
々ライン印字信号記憶手段（第３ラツチ回路群）
、１１……パルス電力設定回路（ゲート回路群）
。
FIG. 1 is an explanatory diagram of the functions of the first embodiment of the thermal recording device according to the present invention, FIG. 2 is a circuit diagram of the first embodiment, FIG. 3 is a time chart of the first embodiment, and FIG. 4 is an explanatory diagram of the functions of the second embodiment of the thermal recording device according to the present invention, and FIG. 5 is a circuit diagram of the second embodiment.
Fig. 6 is a time chart of the second embodiment, Fig. 7 is a perspective view of the main parts of the thermal recording device, Figs. FIG. 12 shows an example of the effect that a heating resistor for printing receives from the printing heat of surrounding printing dots.
The figure is a diagram showing another example of the influence that the heat generating resistor for printing the dot of interest receives from the printing heat of the surrounding printing dots. DESCRIPTION OF SYMBOLS 1... Heating resistor, 6... Current line print signal storage means (first latch circuit group), 7... Previous line print signal storage means (second latch circuit group), 8... Previous line print signal storage Means (third latch circuit group)
, 11...Pulse power setting circuit (gate circuit group)
.
Claims (1)
の発熱抵抗体と、前記複数の各発熱抵抗体にそれ
ぞれ接続されて各発熱抵抗体を個別に通電発熱さ
せる印字パルスをそれぞれ出力する通電駆動素子
と、前記複数の各発熱抵抗体の現ラインの印字信
号を一時的に記憶する現ライン印字信号記憶手段
と、前記複数の各発熱抵抗体の１ライン前の印字
信号を一時的に記憶する前ライン印字信号記憶手
段と、前記記憶された現ラインおよび前ラインの
印字信号に応じて前記発熱抵抗体の温度が一定と
なるように前記印字パルスのパルス電力を設定す
るパルス電力設定回路と、を備えた感熱記録装置
において、 前記複数の各発熱抵抗体の現ラインの２ライン
前の印字信号を一時的に記憶する前々ライン印字
信号記憶手段が設けられ、前記パルス電力設定回
路は、発熱抵抗体に印加する印字パルスのパルス
電力を、その発熱抵抗体の前々ラインの印字信号
に応じて設定するように構成されたことを特徴と
する感熱記録装置。[Claims for Utility Model Registration] A plurality of heating resistors arranged in a row on the surface of the substrate along the main scanning direction, each connected to each of the plurality of heating resistors and individually energized to generate heat. current line printing signal storage means for temporarily storing the printing signal of the current line of each of the plurality of heat generating resistors; a previous line print signal storage means for temporarily storing a print signal; and a pulse power of the print pulse so that the temperature of the heating resistor becomes constant according to the stored print signals of the current line and the previous line. A thermal recording device comprising a pulse power setting circuit for setting a pulse power, further comprising a line print signal storage means for temporarily storing a print signal of two lines before the current line of each of the plurality of heating resistors, A thermal recording device characterized in that the pulse power setting circuit is configured to set the pulse power of the printing pulse applied to the heating resistor in accordance with the printing signal of the previous line of the heating resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990112242U JP2522727Y2 (en) | 1990-10-26 | 1990-10-26 | Thermal recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990112242U JP2522727Y2 (en) | 1990-10-26 | 1990-10-26 | Thermal recording device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0469146U true JPH0469146U (en) | 1992-06-18 |
| JP2522727Y2 JP2522727Y2 (en) | 1997-01-16 |
Family
ID=31859739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990112242U Expired - Lifetime JP2522727Y2 (en) | 1990-10-26 | 1990-10-26 | Thermal recording device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2522727Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5734986A (en) * | 1980-08-11 | 1982-02-25 | Hitachi Ltd | Controlling system for type concentration of thermal printer |
| JPS60254874A (en) * | 1984-05-31 | 1985-12-16 | Fuji Xerox Co Ltd | Thermal head driving device |
| JPS6387262A (en) * | 1986-09-30 | 1988-04-18 | Ricoh Co Ltd | Thermal printer |
| JPH02235655A (en) * | 1989-03-09 | 1990-09-18 | Kyocera Corp | Driving device of thermal head |
-
1990
- 1990-10-26 JP JP1990112242U patent/JP2522727Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5734986A (en) * | 1980-08-11 | 1982-02-25 | Hitachi Ltd | Controlling system for type concentration of thermal printer |
| JPS60254874A (en) * | 1984-05-31 | 1985-12-16 | Fuji Xerox Co Ltd | Thermal head driving device |
| JPS6387262A (en) * | 1986-09-30 | 1988-04-18 | Ricoh Co Ltd | Thermal printer |
| JPH02235655A (en) * | 1989-03-09 | 1990-09-18 | Kyocera Corp | Driving device of thermal head |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2522727Y2 (en) | 1997-01-16 |
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