JPS62121067A - Dot impact printer - Google Patents
Dot impact printerInfo
- Publication number
- JPS62121067A JPS62121067A JP60262034A JP26203485A JPS62121067A JP S62121067 A JPS62121067 A JP S62121067A JP 60262034 A JP60262034 A JP 60262034A JP 26203485 A JP26203485 A JP 26203485A JP S62121067 A JPS62121067 A JP S62121067A
- Authority
- JP
- Japan
- Prior art keywords
- printing
- printing pressure
- dot
- pressure
- signal
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J7/00—Type-selecting or type-actuating mechanisms
- B41J7/96—Means checking correctness of setting
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Dot-Matrix Printers And Others (AREA)
- Common Mechanisms (AREA)
Abstract
Description
【発明の詳細な説明】
技術分野
本発明は、ドラ１−ビンを有するドツトインパクト印字
ヘッドにより印字を行うドツトインパクトプリンタに関
する。DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a dot impact printer that prints using a dot impact print head having a single drive bin.
従来技術
従来のドツトインパクトプリンタはドットピンによる印
字圧力を検出する印字圧力検出手段を有していなかった
。このため、印字結果を実際に確認するまで、印字圧力
の不足による印字のかすれや印字ヘッドのドットピンの
ドライバ回路の不良やドットピンの破損による抜は等の
トラブルを発見できなかった。Prior Art Conventional dot impact printers did not have printing pressure detection means for detecting printing pressure caused by dot pins. Therefore, until the printing results were actually confirmed, problems such as blurred printing due to insufficient printing pressure, defects in the dot pin driver circuit of the print head, and removal due to damage to the dot pins could not be discovered.
発明の目的
したがって本発明の目的は、印字のかすれがなくかつ印
字前にドツト扱は等のトラブルを発見できるドツトイン
パクトプリンタを提供することである。OBJECTS OF THE INVENTION Accordingly, an object of the present invention is to provide a dot impact printer that does not cause blurred printing and can detect problems such as dot handling before printing.
発明の構成
本発明によれば、ドットピンを有するドツトインパクト
印字ヘッドと、前記ドットピンによる印字圧力を検出す
る印字圧力検出ｇ１横とを有することを特徴とするドツ
トインパクトプリンタが得られる。DESCRIPTION OF THE INVENTION According to the present invention, there is obtained a dot impact printer characterized by having a dot impact print head having dot pins, and a printing pressure detection g1 side for detecting the printing pressure by the dot pins.
友豊１
次に、本発明の一実施例を示した図面を参照して、本発
明をより詳細に説明する。Tomotoyo 1 Next, the present invention will be described in more detail with reference to the drawings showing one embodiment of the present invention.
第１図を参照すると、本発明の一実施例のドツトインパ
クトプリンタは、複数個のドットピンを有しスペーシン
グガイドシャフト２上を移動するドツトインパクト印字
ヘッド１と、ガイドシャフ１・２と平行に設けられ印字
ヘッド１のドットピンを受けるプラテン３と、プラテン
３の近傍で筺体５に固定され印字ヘッド１のドットピン
の印字圧力を検出する印字圧力検出機構４とを有してい
る。Referring to FIG. 1, a dot impact printer according to an embodiment of the present invention includes a dot impact print head 1 having a plurality of dot pins and moving on a spacing guide shaft 2, and a dot impact print head 1 that has a plurality of dot pins and moves on a spacing guide shaft 2, and a dot impact print head 1 that has a plurality of dot pins and that moves on a spacing guide shaft 2. The printer has a platen 3 which is provided in the printer and receives the dot pins of the print head 1, and a printing pressure detection mechanism 4 which is fixed to the housing 5 near the platen 3 and which detects the printing pressure of the dot pins of the print head 1.
このドツトインパクトプリンタに電源を入れた直後ある
には印字動作開始前に、印字ヘッド１は印字圧力検出機
構４の位置に移動してドットピンを突出させて圧力を加
える。印字出力検出機構４は印字圧力に応じた電気信号
の印字圧信号を発生する。この印字圧信号は印字ヘッド
１のドットピンの印字圧力を制御する印字圧制御回路（
第２図）に供給される。Immediately after turning on the power to this dot impact printer and before starting a printing operation, the print head 1 moves to the position of the printing pressure detection mechanism 4 to project the dot pins and apply pressure. The print output detection mechanism 4 generates a print pressure signal which is an electrical signal corresponding to the print pressure. This printing pressure signal is applied to the printing pressure control circuit (
Figure 2).
第２図を参照すると、印字圧制御回路は、印字圧力検出
機構４からの微弱な印字圧信号を増幅する増幅器６と、
増幅された印字圧信号の信号レベルをディジタルデータ
に変換するＡ／Ｄ変換器７と、入力ディジタルデータ（
印字圧データ）を処理し印字圧制御信号を発生するｃｐ
ｕｓとを有している。Referring to FIG. 2, the printing pressure control circuit includes an amplifier 6 that amplifies the weak printing pressure signal from the printing pressure detection mechanism 4;
The A/D converter 7 converts the signal level of the amplified printing pressure signal into digital data, and the input digital data (
cp that processes printing pressure data) and generates a printing pressure control signal
It has US.
ＣＰＵ８は印字圧信号に表われた印字圧データを処理し
てＣＰＵ８に接続されている手段を制御するが、接続さ
れている手段が表示手段である場合には、印字圧が規定
値に達していなければアラーム表示を行う。接続される
手段が印字ヘッド１のドットピンとプラテン３との間隔
を調整する機構であれば、印字圧データに応答して間隔
を最適印字状態が得られるように制御する。また、印字
ヘッドで１往復中字（２バス印字）させるなどの制御も
可能である。The CPU 8 processes the printing pressure data expressed in the printing pressure signal and controls the means connected to the CPU 8, but if the connected means is a display means, it is determined that the printing pressure has reached a specified value. If not, an alarm will be displayed. If the connected means is a mechanism for adjusting the spacing between the dot pins of the print head 1 and the platen 3, the spacing is controlled in response to printing pressure data so as to obtain the optimum printing condition. Further, it is also possible to perform control such as one round trip medium character (two-bus printing) using the print head.
１匪立皇ｊ
以上説明したように、本発明によるドツトインパクトプ
リンタにおいては、印字ヘッドのドットピンの印字圧力
検出機構を設けることにより、印字結果を出力する前に
、印字圧力の不足による印字かすれや印字ヘッドのドッ
トピンのドライバ回路の不良あるいはドットピンの破損
によるドツト央けなどのトラブルを事前に発見すること
ができ、その情報をもとにして印字圧力補正やドツト汰
けの補正を行うことにより常に印字結果を同一に保つこ
とが可能である。As explained above, in the dot impact printer according to the present invention, by providing a printing pressure detection mechanism for the dot pins of the print head, it is possible to detect blurred printing due to insufficient printing pressure before outputting the printing result. It is possible to discover problems in advance, such as defects in the dot pin driver circuit of the print head or centering of dots due to damage to the dot pins, and use that information to correct printing pressure and dot alignment. By doing so, it is possible to always keep the printing results the same.
第１図は本発明の一実施例の概略平面図、第２図は印字
圧制御回路のブロック図である。
主要部分の符号の説明
１・・・・・・ドツトインパクト印字ヘッド３・・・・
・・プラテンFIG. 1 is a schematic plan view of an embodiment of the present invention, and FIG. 2 is a block diagram of a printing pressure control circuit. Explanation of symbols of main parts 1...Dot impact print head 3...
・Platen
Claims (1)
記ドットピンによる印字圧力を検出する印字圧力検出機
構とを有することを特徴とするドットインパクトプリン
タ。A dot impact printer comprising: a dot impact print head having dot pins; and a printing pressure detection mechanism for detecting printing pressure caused by the dot pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60262034A JPH082652B2 (en) | 1985-11-21 | 1985-11-21 | Dot impact printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60262034A JPH082652B2 (en) | 1985-11-21 | 1985-11-21 | Dot impact printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62121067A true JPS62121067A (en) | 1987-06-02 |
| JPH082652B2 JPH082652B2 (en) | 1996-01-17 |
Family
ID=17370106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60262034A Expired - Lifetime JPH082652B2 (en) | 1985-11-21 | 1985-11-21 | Dot impact printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH082652B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5474391A (en) * | 1992-10-19 | 1995-12-12 | Oki Electric Industry Co., Ltd. | Print gap setting in an impact printer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6280641U (en) * | 1985-11-07 | 1987-05-23 |
-
1985
- 1985-11-21 JP JP60262034A patent/JPH082652B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6280641U (en) * | 1985-11-07 | 1987-05-23 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5474391A (en) * | 1992-10-19 | 1995-12-12 | Oki Electric Industry Co., Ltd. | Print gap setting in an impact printer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH082652B2 (en) | 1996-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |