JPH0176244U - - Google Patents
Info
- Publication number
- JPH0176244U JPH0176244U JP1987171138U JP17113887U JPH0176244U JP H0176244 U JPH0176244 U JP H0176244U JP 1987171138 U JP1987171138 U JP 1987171138U JP 17113887 U JP17113887 U JP 17113887U JP H0176244 U JPH0176244 U JP H0176244U
- Authority
- JP
- Japan
- Prior art keywords
- thermal head
- temperature
- heating means
- head body
- thermal
- 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 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案に係るサーマルヘツドの一実施
例を示す斜視図、第２図は従来のサーマルヘツド
の駆動制御部を示すブロツク図、第３図は同従来
例の動作を説明する波形図、第４図は同実施例の
余熱動作時におけるサーマルヘツドの温度変化を
示す説明図である。
１……サーマルヘツド、１ａ……発熱部、１ｂ
……基板、２……ヒーター（加熱手段）、３……
サーモスイツチ、４……電源、５……駆動回路、
６……感熱紙。
FIG. 1 is a perspective view showing an embodiment of the thermal head according to the present invention, FIG. 2 is a block diagram showing the drive control section of a conventional thermal head, and FIG. 3 is a waveform diagram explaining the operation of the conventional thermal head. , FIG. 4 is an explanatory diagram showing the temperature change of the thermal head during the preheating operation of the same embodiment. 1... Thermal head, 1a... Heat generating part, 1b
...Substrate, 2...Heater (heating means), 3...
Thermoswitch, 4...Power supply, 5...Drive circuit,
6...Thermal paper.
Claims (1)
色させるサーマルヘツド本体に、 上記サーマルヘツド本体を予熱する加熱手段と 上記サーマルヘツド本体の予熱温度を感熱紙の
最低発色温度よりも抵い所定範囲内に保持するよ
う上記加熱手段に接続された電源回路を入切制御
するサーモスイツチと を備えたことを特徴とするサーマルヘツド。[Scope of Claim for Utility Model Registration] A thermal head body that receives drive power from a drive circuit to generate heat and color the thermal paper, a heating means for preheating the thermal head body, and a heating means that sets the preheating temperature of the thermal head body to the lowest temperature of the thermal paper. 1. A thermal head comprising: a thermoswitch that controls on/off a power supply circuit connected to the heating means so as to maintain the temperature within a predetermined range lower than the color development temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171138U JPH0176244U (en) | 1987-11-09 | 1987-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171138U JPH0176244U (en) | 1987-11-09 | 1987-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0176244U true JPH0176244U (en) | 1989-05-23 |
Family
ID=31462702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171138U Pending JPH0176244U (en) | 1987-11-09 | 1987-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0176244U (en) |
-
1987
- 1987-11-09 JP JP1987171138U patent/JPH0176244U/ja active Pending
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