JPH0336446U - - Google Patents
Info
- Publication number
- JPH0336446U JPH0336446U JP9473789U JP9473789U JPH0336446U JP H0336446 U JPH0336446 U JP H0336446U JP 9473789 U JP9473789 U JP 9473789U JP 9473789 U JP9473789 U JP 9473789U JP H0336446 U JPH0336446 U JP H0336446U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- power
- generating
- resistor
- energization
- 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 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は第１図に示される実施例の動作を説明するた
めの波形図、第３図は先行技術のブロツク図、第
４図は第３図に示される先行技術の動作を説明す
るための波形図である。
１２……サーマルヘツド、１３……モータ、１
４……処理回路、１６……モータ制御回路、１７
……映像信号発生源、１９……階調印画制御回路
、２３……シフトレジスタ、２４……ラツチ回路
、２８……タイミング回路、Ｒ１〜Ｒｎ……発熱
抵抗体、Ｑ１〜Ｑｎ……駆動用トランジスタ、Ｇ
１〜Ｇｎ……ＡＮＤゲート。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figures are waveform diagrams for explaining the operation of the embodiment shown in Fig. 1, Fig. 3 is a block diagram of the prior art, and Fig. 4 is a waveform diagram for explaining the operation of the prior art shown in Fig. 3. It is a diagram. 12...Thermal head, 13...Motor, 1
4...Processing circuit, 16...Motor control circuit, 17
...Video signal generation source, 19...Gradation printing control circuit, 23...Shift register, 24...Latch circuit, 28...Timing circuit, R1 to Rn...Heating resistor, Q1 to Qn...For driving transistor, G
1~Gn...AND gate.
Claims (1)
熱抵抗体の複数の各階調に対応した時間だけ、電
力付勢する手段と、 最大階調の発熱抵抗体の電力付勢が終了した後
から、冷却を必要とする一定時間だけ、前記電力
付勢を休止する手段とを含むことを特徴とする熱
印画装置。[Scope of Claim for Utility Model Registration] A thermal head having a plurality of heat-generating resistors, a device that starts energizing power to each heat-generating resistor at the same time, and applies power only for a time corresponding to each of the plurality of gradations of each heat-generating resistor. and means for suspending the power energization for a certain period of time during which cooling is required after the power energization of the heating resistor of the maximum gradation ends. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9473789U JPH0336446U (en) | 1989-08-11 | 1989-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9473789U JPH0336446U (en) | 1989-08-11 | 1989-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0336446U true JPH0336446U (en) | 1991-04-09 |
Family
ID=31644051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9473789U Pending JPH0336446U (en) | 1989-08-11 | 1989-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336446U (en) |
-
1989
- 1989-08-11 JP JP9473789U patent/JPH0336446U/ja active Pending
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