JPS59148338U - thermal printer - Google Patents
thermal printerInfo
- Publication number
- JPS59148338U JPS59148338U JP4342483U JP4342483U JPS59148338U JP S59148338 U JPS59148338 U JP S59148338U JP 4342483 U JP4342483 U JP 4342483U JP 4342483 U JP4342483 U JP 4342483U JP S59148338 U JPS59148338 U JP S59148338U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply voltage
- thermal printer
- logic circuit
- reference voltage
- 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.)
- Granted
Links
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- 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図はサーマルプリンタの従来例のブロック図、第２
図はそのサーマルヘッドの説明図、第３図は本発明の実
施例のブロック図、第４図はその特徴部分を示すタイミ
ングチャート、第５図ａ及びｂはそれぞれ瞬断検出回路
及びサーマルヘッド遮断回路の実施例を示す回路図であ
る。
図において、１はマイクロプロセッサ、２は文字発生器
、３はデコーダ、４及び５はバッファ、６はサーマルヘ
ッド、７はデータバス、８はｍ制御バス、１１はセレク
ト端子ミ １２はグループ端子、１３は抵抗体、２１は
瞬断検出回路、２２はサーマルヘッド遮断回路、を示す
。Figure 1 is a block diagram of a conventional thermal printer, Figure 2 is a block diagram of a conventional thermal printer.
The figure is an explanatory diagram of the thermal head, Figure 3 is a block diagram of an embodiment of the present invention, Figure 4 is a timing chart showing its characteristic parts, and Figures 5a and 5b are a momentary interruption detection circuit and thermal head cutoff, respectively. FIG. 2 is a circuit diagram showing an example of a circuit. In the figure, 1 is a microprocessor, 2 is a character generator, 3 is a decoder, 4 and 5 are buffers, 6 is a thermal head, 7 is a data bus, 8 is an m control bus, 11 is a select terminal, 12 is a group terminal, Reference numeral 13 represents a resistor, 21 represents an instantaneous interruption detection circuit, and 22 represents a thermal head cutoff circuit.
Claims (1)
準電圧への到達から所定の時間経過後に該論理回路に対
する初期化信号の送出を停止し、かつ該電源電圧が該基
準電圧より低下するとき直ちに前記初期化信号を送出す
る手段と、前記論理回路の電源電圧が基準電圧より小で
あるときサーマルヘッド入力回路を遮断する手段とを備
えてなることを特徴とするサーマルプリンタ。 ゛When the power supply voltage of the logic circuit rises, the transmission of the initialization signal to the logic circuit is stopped after a predetermined time has elapsed since the power supply voltage reaches the reference voltage, and immediately when the power supply voltage falls below the reference voltage. A thermal printer comprising: means for sending the initialization signal; and means for cutting off a thermal head input circuit when a power supply voltage of the logic circuit is lower than a reference voltage.゛
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4342483U JPS59148338U (en) | 1983-03-26 | 1983-03-26 | thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4342483U JPS59148338U (en) | 1983-03-26 | 1983-03-26 | thermal printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59148338U true JPS59148338U (en) | 1984-10-03 |
| JPH0312531Y2 JPH0312531Y2 (en) | 1991-03-25 |
Family
ID=30173959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4342483U Granted JPS59148338U (en) | 1983-03-26 | 1983-03-26 | thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59148338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS621555A (en) * | 1985-06-27 | 1987-01-07 | Kyocera Corp | Line type thermal printing head |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815428A (en) * | 1981-07-20 | 1983-01-28 | 株式会社リコー | Power source supply device for thermal printer |
-
1983
- 1983-03-26 JP JP4342483U patent/JPS59148338U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815428A (en) * | 1981-07-20 | 1983-01-28 | 株式会社リコー | Power source supply device for thermal printer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS621555A (en) * | 1985-06-27 | 1987-01-07 | Kyocera Corp | Line type thermal printing head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0312531Y2 (en) | 1991-03-25 |
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