JPS5968938U - Thermal head drive circuit - Google Patents
Thermal head drive circuitInfo
- Publication number
- JPS5968938U JPS5968938U JP16665082U JP16665082U JPS5968938U JP S5968938 U JPS5968938 U JP S5968938U JP 16665082 U JP16665082 U JP 16665082U JP 16665082 U JP16665082 U JP 16665082U JP S5968938 U JPS5968938 U JP S5968938U
- Authority
- JP
- Japan
- Prior art keywords
- thermal head
- drive circuit
- head drive
- array
- collector
- 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
Landscapes
- Electronic Switches (AREA)
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図は従来例によるサーマル・ヘッド゛の［ｆ１回路
を示す結線図、第２図は同上マトリクス用ダイオードの
集積化構造を示す概略構成図、第３図はこの考案の一実
施例によるサーマル・ヘッドの駆動回路を示す結線図、
第４図は同上マトリクス用のモノリシックＰＨＰ ）ラ
ンジスタアレイを示す概要構成図である。
１ないし４：・・・・・ブロック選択用トランジスタ、
５ないし１７・・・・・・サーマル・ヘッドエレメント
、３１ないし３４・・・・・・ドライブ用トランジスタ
、３５・・・・・・シフトレジスタ、３６・・・・・・
電源端子、３７・・・・・・接地端子、３８・・・・・
・モノリシックＰＮＰト −ランジスタアレイ、３
９ないし５１・・・・・・マトリクス用ＰＮＰ ！・ラ
ンジスタ。Fig. 1 is a wiring diagram showing the f1 circuit of a thermal head according to a conventional example, Fig. 2 is a schematic configuration diagram showing an integrated structure of the same matrix diode, and Fig. 3 is a thermal head according to an embodiment of the present invention.・Wiring diagram showing the head drive circuit,
FIG. 4 is a schematic diagram showing a monolithic PHP transistor array for the above matrix. 1 to 4:...Block selection transistor,
5 to 17... Thermal head element, 31 to 34... Drive transistor, 35... Shift register, 36...
Power terminal, 37... Ground terminal, 38...
・Monolithic PNP transistor array, 3
9 to 51...PNP for matrix!・Rangista.
Claims (1)
）ランジスタアレイを用い、このアレイの各、 ＰＮ
Ｐ）ランジスタをサーマル・ヘッドエレメントと共にマ
トリクス状に組み込み、かつアレイのコ−レクタを接地
してサーマル・ヘッドエレメントを駆動し得るように構
成したことを特徴とするサーマル・ヘッドの駆動回路。Monolithic PNP with P-type semiconductor substrate as collector
) using a transistor array, each of this array, PN
P) A thermal head drive circuit characterized in that transistors are incorporated together with thermal head elements in a matrix, and the collector of the array is grounded to drive the thermal head elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16665082U JPS5968938U (en) | 1982-11-01 | 1982-11-01 | Thermal head drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16665082U JPS5968938U (en) | 1982-11-01 | 1982-11-01 | Thermal head drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5968938U true JPS5968938U (en) | 1984-05-10 |
Family
ID=30364793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16665082U Pending JPS5968938U (en) | 1982-11-01 | 1982-11-01 | Thermal head drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5968938U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5492755A (en) * | 1977-12-30 | 1979-07-23 | Iwatsu Electric Co Ltd | Heat sensitive recording head |
| JPS5492754A (en) * | 1977-12-30 | 1979-07-23 | Iwatsu Electric Co Ltd | Matrix circuit |
| JPS5497437A (en) * | 1978-01-18 | 1979-08-01 | Canon Inc | Driving device of heat sensitive recording head heating elements |
-
1982
- 1982-11-01 JP JP16665082U patent/JPS5968938U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5492755A (en) * | 1977-12-30 | 1979-07-23 | Iwatsu Electric Co Ltd | Heat sensitive recording head |
| JPS5492754A (en) * | 1977-12-30 | 1979-07-23 | Iwatsu Electric Co Ltd | Matrix circuit |
| JPS5497437A (en) * | 1978-01-18 | 1979-08-01 | Canon Inc | Driving device of heat sensitive recording head heating elements |
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