JPH0227345U - - Google Patents
Info
- Publication number
- JPH0227345U JPH0227345U JP10546188U JP10546188U JPH0227345U JP H0227345 U JPH0227345 U JP H0227345U JP 10546188 U JP10546188 U JP 10546188U JP 10546188 U JP10546188 U JP 10546188U JP H0227345 U JPH0227345 U JP H0227345U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- recording head
- thermal recording
- voltage
- detected
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案に係る印字装置の要部構成を示
す回路図、第２図は第１図の印字装置における感
熱記録ヘツド部へのサーミスタ５の取付け態様の
一例を示す概略斜視図である。
１……画信号入力端子、２……印字制御パルス
入力端子、３……保温制御パルス入力端子、４…
…シフトレジスタ、５……サーミスタ、６……増
幅回路、７……Ａ／Ｄコンバータ、８……ＣＰＵ
、９……アルミベース、１０……発熱抵抗体列、
ｒ１〜ｒｎ……発熱抵抗体、Ｔ１〜Ｔｎ，Ｔａ，
Ｔｂ……トランジスタ、Ｄ１……ダイオード、Ｅ
Ｈ……印字制御用電圧、ＥＬ……保温制御用電圧
、Ｓ１……画信号、Ｓ２……印字制御パルス、Ｓ
３……保温制御パルス。
FIG. 1 is a circuit diagram showing the main structure of a printing device according to the present invention, and FIG. 2 is a schematic perspective view showing an example of how the thermistor 5 is attached to the heat-sensitive recording head in the printing device shown in FIG. 1. . 1... Image signal input terminal, 2... Print control pulse input terminal, 3... Heat retention control pulse input terminal, 4...
...Shift register, 5...Thermistor, 6...Amplifier circuit, 7...A/D converter, 8...CPU
, 9...aluminum base, 10...heating resistor row,
r1~rn...heating resistor, T1~Tn, Ta,
Tb...Transistor, D1...Diode, E
H...Print control voltage, EL...Warmth control voltage, S1...image signal, S2...print control pulse, S
3... Warmth control pulse.
Claims (1)
せることのない発熱状態で駆動可能な電圧を発生
する電圧発生手段と、 前記感熱記録ヘツドの温度を検出する温度検出
手段と、 該温度検出手段により検出された検出温度と前
記感熱記録ヘツドに設定された設定温度とを比較
する比較手段と、 該比較手段により前記検出温度が前記設定温度
以下であることが認識された場合、該検出温度に
応じて算出した時間幅で前記電圧発生手段から供
給する電圧により前記感熱記録ヘツドを保温する
保温制御手段と を具備することを特徴とする印字装置。[Claims for Utility Model Registration] Voltage generating means for generating a voltage capable of driving a thermal recording head in a heat-generating state without causing color development on the thermal recording medium, and temperature detecting means for detecting the temperature of the thermal recording head. and a comparison means for comparing the detected temperature detected by the temperature detection means and a set temperature set on the thermal recording head, and the comparison means recognizes that the detected temperature is below the set temperature. a printing apparatus, comprising: heat retention control means for keeping the heat-sensitive recording head warm by a voltage supplied from the voltage generation means for a time width calculated according to the detected temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10546188U JPH0227345U (en) | 1988-08-11 | 1988-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10546188U JPH0227345U (en) | 1988-08-11 | 1988-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0227345U true JPH0227345U (en) | 1990-02-22 |
Family
ID=31338096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10546188U Pending JPH0227345U (en) | 1988-08-11 | 1988-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0227345U (en) |
-
1988
- 1988-08-11 JP JP10546188U patent/JPH0227345U/ja active Pending
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