JPS62134745U - - Google Patents
Info
- Publication number
- JPS62134745U JPS62134745U JP2118786U JP2118786U JPS62134745U JP S62134745 U JPS62134745 U JP S62134745U JP 2118786 U JP2118786 U JP 2118786U JP 2118786 U JP2118786 U JP 2118786U JP S62134745 U JPS62134745 U JP S62134745U
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- transistors
- series
- power supply
- circuit
- 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 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electronic Switches (AREA)
Description
第１図は、本考案の動作原理を説明するための
基本電子回路図、第２図は、本考案による感熱記
録装置駆動回路の一実施例を説明するための構成
図、第３図は、第２図に示した回路の動作説明を
するためのタイムチヤート、第４図は、従来の駆
動回路の一例を説明するための図である。
Ｔｒ１，Ｔｒ２…トランジスタ、Ｒ…発熱体、
Ｖ１，Ｖ２…電源電圧、Ｄ１，Ｄ２…アンド回路
。
FIG. 1 is a basic electronic circuit diagram for explaining the operating principle of the present invention, FIG. 2 is a configuration diagram for explaining an embodiment of the thermal recording device drive circuit according to the present invention, and FIG. FIG. 4 is a time chart for explaining the operation of the circuit shown in FIG. 2, and FIG. 4 is a diagram for explaining an example of a conventional drive circuit. Tr 1 , Tr 2 ...transistor, R...heating element,
V 1 , V 2 . . . power supply voltage, D 1 , D 2 . . . AND circuit.
Claims (1)
のトランジスタの直列接続に直列に接続された発
熱体と、該発熱体と前記トランジスタの一方との
直列回路の一方の端部に接続された第１の電源と
、前記直列回路の他方の端部に接続され前記第１
の電源と異なる電圧の第２の電源とを有し、前記
２個のトランジスタのうち一方もしくは両方をオ
ンさせることにより前記発熱体にかかる電力を切
り換えることを特徴とする感熱記録装置駆動回路
。 two transistors connected in series; a heating element connected in series to the series connection of the two transistors; and a heating element connected to one end of the series circuit of the heating element and one of the transistors. 1 power supply, and the first power supply connected to the other end of the series circuit.
What is claimed is: 1. A thermal recording device driving circuit, comprising: a power source and a second power source having a different voltage; and switching the power applied to the heating element by turning on one or both of the two transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2118786U JPS62134745U (en) | 1986-02-17 | 1986-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2118786U JPS62134745U (en) | 1986-02-17 | 1986-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62134745U true JPS62134745U (en) | 1987-08-25 |
Family
ID=33446606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2118786U Pending JPS62134745U (en) | 1986-02-17 | 1986-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62134745U (en) |
-
1986
- 1986-02-17 JP JP2118786U patent/JPS62134745U/ja active Pending
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