JPS60248379A - Printing head position detector for printer - Google Patents
Printing head position detector for printerInfo
- Publication number
- JPS60248379A JPS60248379A JP10526284A JP10526284A JPS60248379A JP S60248379 A JPS60248379 A JP S60248379A JP 10526284 A JP10526284 A JP 10526284A JP 10526284 A JP10526284 A JP 10526284A JP S60248379 A JPS60248379 A JP S60248379A
- Authority
- JP
- Japan
- Prior art keywords
- printing
- position detection
- printer
- encoder disk
- print head
- 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
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
- B41J19/00—Character- or line-spacing mechanisms
- B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
- B41J19/20—Positive-feed character-spacing mechanisms
- B41J19/202—Drive control means for carriage movement
Abstract
Description
【発明の詳細な説明】
（発明の利用分野）
本発明は双方向印字可能なプリンタの印字ヘッド位置検
出装置に係り、特に双方向印字時における印字位置精度
を向上させることかできるプリンタの印字ヘット位置検
出装置に関する。Detailed Description of the Invention (Field of Application of the Invention) The present invention relates to a print head position detection device for a printer capable of bidirectional printing, and in particular to a print head position detection device for a printer capable of improving print position accuracy during bidirectional printing. The present invention relates to a position detection device.
（従来技術）
一般に、印字ヘッドの往復駆動時に共に印字を行なう双
方向印字は一方向印字に比較して印字速度が上げられる
と（・う利点がある。反面、印字へｙ ｌ・の往復、駆
動時における機械的及び電気的バノクラノン、、（でよ
って往方向（例えば右方向）印字と復方向（例えば左方
向）印字とでは往復方向での印字ずれが生ずると℃・５
問題かある。(Prior art) In general, bidirectional printing, in which printing is performed when the print head is driven back and forth, has the advantage that the printing speed is increased compared to unidirectional printing. Mechanical and electrical banocranone during driving, (Therefore, if a printing deviation occurs in the forward direction (for example, rightward) printing and backward direction (for example, leftward) printing in the reciprocating direction,
There's a problem.
この問題を解決するために、ティップスイッチによって
与えられたパラメータに応じた遅延時間をタイミング信
号に加える方法（特開昭５８−６９０７２号）があるが
、この方法では遅延時間かデジタル量でしか与えられず
、印字ずれのリニアな調整かできな（・と（・５問題が
残る。また印字ヘッド検出用のフメトカプラ部分に設け
られたスリット板を微調整する機構（実開昭５７−７６
０４８号）もあるが、追加機構が多くコスト高となる問
題がある。To solve this problem, there is a method (Japanese Patent Laid-Open No. 58-69072) that adds a delay time to the timing signal according to the parameter given by the tip switch, but this method only gives the delay time or digital quantity. 5 problems remain.Also, a mechanism for finely adjusting the slit plate provided in the foot coupler for detecting the print head (1986-1976)
No. 048), but there is a problem in that it requires many additional mechanisms and is expensive.
（発明の目的）
本発明は上述のような諸問題に鑑みて為されたもので、
その目的とする処は、簡単な構成で双方向印字における
印字ずれを精度よく調整可能とできるプリンタの印字ヘ
ッド位置検出装置を提供することにある。(Object of the invention) The present invention was made in view of the problems mentioned above.
The object thereof is to provide a print head position detection device for a printer that is simple in configuration and can accurately adjust printing misalignment in bidirectional printing.
（発明の概要）
即ち、本発明は、印字ヘッドの駆動機構に連係した位置
検出用のエンコーダディスク部分に二個の位置検出セン
サを設け、この位置検出センサのいずれか一方を移動調
節可能としてリニアな印字ずれ補正を実現できるプリン
タの印字ヘッド位置検出装置である。(Summary of the Invention) That is, the present invention provides two position detection sensors on an encoder disk portion for position detection linked to a drive mechanism of a print head, and makes one of the position detection sensors movable and adjustable. This is a print head position detection device for a printer that can realize accurate printing misalignment correction.
（実施例）
次に、本発明の一実施例をワイヤドツトプリンタに適用
した場合を例にとって説明する。(Embodiment) Next, a case will be described in which an embodiment of the present invention is applied to a wire dot printer.
第１図に示ず如く、プラテン１に対向して設けられた印
字ヘット２はキャリジ３に固定されている。キャリジ３
はタイミングベルト４に固定され、ガイドシャフト５に
沿って図中左右方向に往復動可能とされて見・る。タイ
ミングベルト４のプーリ６はギア７を介して駆動モータ
８の軸９に連結されて℃・る。As shown in FIG. 1, a print head 2 provided opposite to a platen 1 is fixed to a carriage 3. Carriage 3
is fixed to a timing belt 4, and can be reciprocated along a guide shaft 5 in the left and right directions in the figure. A pulley 6 of the timing belt 4 is connected to a shaft 9 of a drive motor 8 via a gear 7.
この軸９には、スリット１０が円周方向に形成された位
置検出用のエンコーダディスク１１が固定されている。An encoder disk 11 for position detection in which a slit 10 is formed in the circumferential direction is fixed to this shaft 9.
このエンコーダディスク１１の円周方向任意所には第一
の位置検出センサとして固定フォトイノタラブタ１２、
及び第二の位置検出センサとして可動フォトインタラプ
タ１３か設けられ、駆動モータ８の回転に伴（・スリッ
ト１０を検出するようになっている。可動フォトインタ
ラプタ１３はエンコーダディスク１１の円周方向任意の
位置に移動調整可能とされて（・る。At any position in the circumferential direction of this encoder disk 11, there is a photo-inotagram 12 fixed as a first position detection sensor.
A movable photointerrupter 13 is also provided as a second position detection sensor, and detects the slit 10 as the drive motor 8 rotates. It is possible to move and adjust the position.
次に、作用を説明する。Next, the effect will be explained.
駆動モータ８の駆動によるキャリジ３の左右方向移動及
び印字ヘッド２の印字ソレノイド駆動による印字動作に
よって左右双方向印字をするに当り、第２図に示す如く
、右方向印字時には固定フォトインクラブタ１２からの
エンコーダスリット信号を印字へノド２の印字ソレノイ
ド駆動信号のタイミング信号とし、左方向印字時には可
動フォトインタラプタ１３からのエンコーダスリット信
号を印字ヘッド２の印字ソレノイド駆動信号のタイミン
グ信号として使用する。When printing in both left and right directions by moving the carriage 3 in the left and right directions driven by the drive motor 8 and printing by driving the print solenoid of the print head 2, as shown in FIG. The encoder slit signal from the movable photo-interrupter 13 is used as the timing signal for the print solenoid drive signal of the print head 2 during left direction printing.
而して、左右方向印字において印字ずれが生ずるような
場合には、可動フォトインタラプタ１３をエンコーダデ
ィスク１１の円周方向に移動ずれば、可動フォトインタ
ラプタ１３によるスリット１０の検出タイミングをリニ
アに微調することができ、従って左右方向の印字位置精
度をリニアに微調整可能である。Therefore, if printing misalignment occurs in left-right direction printing, by moving the movable photo-interrupter 13 in the circumferential direction of the encoder disk 11, the detection timing of the slit 10 by the movable photo-interrupter 13 can be finely adjusted linearly. Therefore, it is possible to linearly finely adjust the print position accuracy in the left and right directions.
尚、本発明はワイヤドツトプリンタに限らす双方向印字
可能な任意の型のプリンタに適用できる。Note that the present invention is applicable to any type of printer capable of bidirectional printing, not limited to wire dot printers.
また、エンコーダディスクの被検出部もスリット以外に
磁気作用応用のものその他を採用でき、これに応じて第
−及び第二の位置検出センサも任意のものを採用可能で
ある。In addition, the detected portion of the encoder disk can also be made of a magnetic element other than the slit, and accordingly, any type of position detection sensor can be used for the second and second position detection sensors.
（発明の効果）
以上述べた如（本発明に拠れは、双方向印字用眞二つの
位置検出センサを設け、このうち一方を移動調整可能と
したのて、双方向印字時における印字ずれをリニアに精
度よく微調整して印字精度を向上することができる。(Effects of the Invention) As described above (according to the present invention), two position detection sensors for bidirectional printing are provided, one of which is movable and adjustable, so that printing misalignment during bidirectional printing can be linearly corrected. Printing accuracy can be improved by making precise fine adjustments.
第１図は本発明の一実施例の概略斜視図、第２図は同、
左右方向印字時のタイミングチャートである。
符号の説明
２・・印字ヘッド ８・・駆動モータ
１０・・スリット １１・ エンコーダディスク１２・
・・固定フォトインタラプタ
１３・可動フォトインタラプタ
第２区
６万旬ｐ了Fig. 1 is a schematic perspective view of one embodiment of the present invention, Fig. 2 is the same,
It is a timing chart when printing in the left and right direction. Explanation of symbols 2: Print head 8: Drive motor 10: Slit 11: Encoder disk 12:
・・Fixed photo interrupter 13 ・Movable photo interrupter 2nd section 60,000 Jun p completed
Claims (1)
する駆動機構と、この駆動機構に連係して設けられた位
置検出用のエンコーダディスクと、このエンコーダディ
スクの被検出部を検出して印字のタイミング信号を出力
する第−及び第二の位置検出センサとを有し、これら第
−及Ｏ・第二の位置検出センサのいずれが一方が前記エ
ンコーダディスクに対し任意の位置に移動調整可能とさ
れていることを特徴とするプリンタの印字ヘット位置検
出装置。A printer capable of bidirectional printing has a drive mechanism that drives the printing nod in both directions, an encoder disk for position detection provided in conjunction with this drive mechanism, and a detected part of this encoder disk that detects and prints. and a second position detection sensor that outputs a timing signal, and one of the first and second position detection sensors is movable and adjustable to an arbitrary position with respect to the encoder disk. A print head position detection device for a printer, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10526284A JPS60248379A (en) | 1984-05-24 | 1984-05-24 | Printing head position detector for printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10526284A JPS60248379A (en) | 1984-05-24 | 1984-05-24 | Printing head position detector for printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60248379A true JPS60248379A (en) | 1985-12-09 |
Family
ID=14402740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10526284A Pending JPS60248379A (en) | 1984-05-24 | 1984-05-24 | Printing head position detector for printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60248379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0391730A2 (en) * | 1989-04-07 | 1990-10-10 | Oki Electric Industry Company, Limited | Method of and device for printer control |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5738424A (en) * | 1980-08-19 | 1982-03-03 | Olympus Optical Co Ltd | Exposure measuring method |
-
1984
- 1984-05-24 JP JP10526284A patent/JPS60248379A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5738424A (en) * | 1980-08-19 | 1982-03-03 | Olympus Optical Co Ltd | Exposure measuring method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0391730A2 (en) * | 1989-04-07 | 1990-10-10 | Oki Electric Industry Company, Limited | Method of and device for printer control |
| US5087134A (en) * | 1989-04-07 | 1992-02-11 | Oki Electric Industry Co., Ltd. | Method of and device for printer control |
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