JPS59124142U - thermal head - Google Patents
thermal headInfo
- Publication number
- JPS59124142U JPS59124142U JP1744283U JP1744283U JPS59124142U JP S59124142 U JPS59124142 U JP S59124142U JP 1744283 U JP1744283 U JP 1744283U JP 1744283 U JP1744283 U JP 1744283U JP S59124142 U JPS59124142 U JP S59124142U
- Authority
- JP
- Japan
- Prior art keywords
- thermal head
- diode
- heat generating
- drive chip
- generating resistors
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の１素子１駆動における回路図、第２図は
従来の２分割方式マトリクス駆動における回路図、第３
図は本考案の２分割方式マトリクス駆動における回路図
である。
１・・・発熱抵抗体、２・・・駆動トランジスタ、３・
・・駆動チップ、４・・・廻り込み防止ダイオード、５
・・・第１共通電極、６・・・第２共通電極。Figure 1 is a circuit diagram for conventional 1 element 1 drive, Figure 2 is a circuit diagram for conventional 2-division matrix drive, and Figure 3 is a circuit diagram for conventional 2-division matrix drive.
The figure is a circuit diagram of the two-division matrix drive according to the present invention. DESCRIPTION OF SYMBOLS 1... Heating resistor, 2... Drive transistor, 3...
...Drive chip, 4...Wrap around prevention diode, 5
...first common electrode, 6...second common electrode.
Claims (1)
装され前記発熱抵抗体を駆動するトランジスタ回路をふ
くむ駆動チップとを有するサーマルヘッドにおいて、前
記駆動チップの各トランジスタの一端に複数のダイオー
ドの各一端が同極性に接続され、各ダイオードの他端が
対応する発熱抵抗体に接続され、前記ダイオードが前記
駆動チップ内に実装されることを特徴とするサーマルヘ
ッド。In a thermal head having a plurality of heat generating resistors arranged on a substrate and a drive chip including a transistor circuit mounted on the substrate and driving the heat generating resistors, a plurality of heat generating resistors are arranged at one end of each transistor of the drive chip. A thermal head characterized in that one end of each diode is connected to the same polarity, the other end of each diode is connected to a corresponding heating resistor, and the diode is mounted within the drive chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1744283U JPS59124142U (en) | 1983-02-10 | 1983-02-10 | thermal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1744283U JPS59124142U (en) | 1983-02-10 | 1983-02-10 | thermal head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59124142U true JPS59124142U (en) | 1984-08-21 |
Family
ID=30148669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1744283U Pending JPS59124142U (en) | 1983-02-10 | 1983-02-10 | thermal head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59124142U (en) |
-
1983
- 1983-02-10 JP JP1744283U patent/JPS59124142U/en active Pending
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