JPH0585005A - Carriage driving control method for printer - Google Patents

Carriage driving control method for printer

Info

Publication number
JPH0585005A
JPH0585005A JP2831692A JP2831692A JPH0585005A JP H0585005 A JPH0585005 A JP H0585005A JP 2831692 A JP2831692 A JP 2831692A JP 2831692 A JP2831692 A JP 2831692A JP H0585005 A JPH0585005 A JP H0585005A
Authority
JP
Japan
Prior art keywords
carriage
stepping motor
excitation
printer
control method
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
Application number
JP2831692A
Other languages
Japanese (ja)
Inventor
Atsushi Noda
厚 野田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2831692A priority Critical patent/JPH0585005A/en
Publication of JPH0585005A publication Critical patent/JPH0585005A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To provide a carriage driving control method for a printer in which the carrier can be driven forward and backward accudrately by using a small and inexpensive stepping motor. CONSTITUTION:A stepping motor which can be rotated forward and reverse is used as a driving source, and a carriage provided with a printing head moving in the width direction of a recording sheet to carry out printing is provided in the carriage driving control method for a printer. When the moving direction of the carriage is changed from one direction to another direction or vice versa when the moving direction of said carriage is changed from said another direction to one direction, dummy excitation Td is carried out respectively and the excitation of the stepping motor is started from the phase where the excitation should be started right before and the sufficiently long time of excitation should be taken by all means. The smooth direction change of carriage can be performed by this constitution.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はプリンタに係り、さらに
詳しくは印字ヘッドを記録紙の幅方向に移動させて印字
を行なうプリンタのキャリッジ駆動制御方法に関するも
のである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printer, and more particularly to a carriage drive control method for a printer which prints by moving a print head in the width direction of a recording sheet.

【0002】[0002]

【従来の技術】従来のこの種のプリンタを図1に示す。2. Description of the Related Art FIG. 1 shows a conventional printer of this type.

【0003】図1において、符号1で示すものは印字ヘ
ッドで、例えば縦一列に複数個の発熱素子を配列したサ
ーマルヘッドとして構成されている。
In FIG. 1, reference numeral 1 denotes a print head, which is constructed as, for example, a thermal head in which a plurality of heating elements are arranged in a vertical line.

【0004】印字ヘッド1はキャリッジ2に固定されて
おり、キャリッジ2はガイドレール3に摺動自在に嵌合
されている。
The print head 1 is fixed to a carriage 2, and the carriage 2 is slidably fitted on a guide rail 3.

【0005】ガイドレール3の一端にはレバー4の上端
が固定されており、レバー4の下端と装置の固定部との
間にはスプリング5が張架されており、ガイドレール3
を図中反時計方向へ廻す力を与えており印字ヘッド1を
記録紙6を介してプラテン7に押し付けている。
An upper end of a lever 4 is fixed to one end of the guide rail 3, and a spring 5 is stretched between a lower end of the lever 4 and a fixing portion of the device.
Is applied counterclockwise in the figure to press the print head 1 against the platen 7 via the recording paper 6.

【0006】符号8で示すものは、ステッピングモータ
でその出力軸に固定されたプーリ9とアイドラプーリ1
0との間にはタイミングベルト11が張架されており、
このタイミングベルト11の途中に前記キャリッジ2が
固定され、ステッピングモータ8の回転に伴ってキャリ
ッジ2が往復移動され、図示していない発熱素子が印字
指令に従って発熱され、記録紙6上に印字が行なわれ
る。
Reference numeral 8 denotes a pulley 9 and an idler pulley 1 which are fixed to the output shaft of a stepping motor.
A timing belt 11 is stretched between 0 and
The carriage 2 is fixed in the middle of the timing belt 11, the carriage 2 is reciprocally moved with the rotation of the stepping motor 8, and a heating element (not shown) is heated according to a print command to print on the recording paper 6. Be done.

【0007】以上のような構成のもとにステッピングモ
ータ8の正回転によってキャリッジ2の移動を行ない、
一行分の印字が行なわれると、ステッピングモータ8を
逆回転させてキャリッジ2を逆方向に移動させホームポ
ジション側へのキャリッジリターンを行なう。
Under the above structure, the carriage 2 is moved by the forward rotation of the stepping motor 8.
When printing for one line is completed, the stepping motor 8 is rotated in the reverse direction to move the carriage 2 in the opposite direction and return the carriage to the home position side.

【0008】[0008]

【発明が解決しようとする課題】このような構造を持つ
従来のプリンタにおいては、ステッピングモータ8を正
確に正逆回転させ、しかもこれを高速で行なうためには
ステッピングモータとして充分な大きさと精度を持つ高
価なステッピングモータが必要であった。
In the conventional printer having such a structure, the stepping motor 8 must be rotated in the forward and reverse directions accurately and at a high speed, the stepping motor must have a size and accuracy sufficient for it. It required an expensive stepping motor.

【0009】ところがオフィスオートメーション機器と
しての、プリンタの普及はめざましく、あらゆる分野で
小型、低価格、そして高性能のプリンタの要望が高まっ
てきている。
However, the spread of printers as office automation equipment is remarkable, and there is an increasing demand for small-sized, low-priced and high-performance printers in all fields.

【0010】本発明は以上のような要望に応えたもの
で、小型で安価なステッピングモータを用い、キャリッ
ジの正確な正逆移動を行ないうるように構成したプリン
タのキャリッジ駆動制御方法を提供することを目的とし
ている。
The present invention has responded to the above demands, and provides a carriage drive control method for a printer, which is configured to use a small and inexpensive stepping motor and to perform accurate forward and reverse movements of the carriage. It is an object.

【0011】[0011]

【課題を解決するための手段】本発明はこの課題を達成
するために、正逆回転可能なステッピングモータを駆動
源とし、印字ヘッドを設けたキャリッジを記録紙の幅方
向に移動させて印字を行なうプリンタのキャリッジ駆動
制御方法において、前記キャリッジを一方向から他方向
に移動方向を変える際並びに前記キャリッジを逆に他方
向から一方向に移動方向を変える際にはそれぞれダミー
励磁を行ない必ず直前に励磁した相からしかも充分に長
い励磁時間をとってステッピングモータの励磁を開始す
ることによりキャリッジの円滑な方向変換を行なう構成
を採用した。
In order to achieve this object, the present invention uses a stepping motor capable of rotating in the forward and reverse directions as a drive source, and moves a carriage provided with a print head in the width direction of recording paper to perform printing. In the carriage drive control method for a printer, dummy excitation is performed when changing the moving direction of the carriage from one direction to the other direction and when changing the moving direction of the carriage from the other direction to the one direction. A structure is adopted in which the direction of the carriage is smoothly changed by starting the excitation of the stepping motor from the excited phase for a sufficiently long excitation time.

【0012】[0012]

【作用】このような構成では印字ヘッドを取りつけたキ
ャリッジの移動方向を変える際にそれぞれダミー励磁を
行ない必ず直前に励磁した相からステッピングモータの
励磁を開始するようにしているので、キャリッジの円滑
な方向転換が可能で、安価なステッピングモータを用い
て正確なキャリッジ駆動を行なうことができる。
With such a structure, when changing the moving direction of the carriage on which the print head is mounted, dummy excitation is performed and the stepping motor is always excited from the phase excited immediately before. It is possible to change the direction, and it is possible to perform accurate carriage driving using an inexpensive stepping motor.

【0013】[0013]

【実施例】以下、図面に示す実施例に基づいて本発明の
詳細を説明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below based on the embodiments shown in the drawings.

【0014】図2は、ステッピングモータの回転動作を
説明するタイミングチャート図で、本実施例にあっては
四相のステッピングモータを用いている。そして、印字
時においてはφ1〜φ4の順序でステッピングモータに対
し、駆動パルスを与えることにより、プーリ9が時計方
向に回転し、キャリッジ2を印字方向に移動させて、印
字を行なう。
FIG. 2 is a timing chart for explaining the rotating operation of the stepping motor. In this embodiment, a four-phase stepping motor is used. At the time of printing, by applying a drive pulse to the stepping motor in the order of φ1 to φ4, the pulley 9 rotates in the clockwise direction and the carriage 2 moves in the printing direction to perform printing.

【0015】そして一行分の印字が終了すると、キャリ
ッジリターンに移る訳であるが、ここで、ステッピング
モータの励磁を急激に反転させず、直前の励磁相、図2
においてはφ1,φ2の2相を再度通常のパルス幅より充
分に長い時間励磁させる。
When the printing for one line is completed, the carriage return is started. Here, the excitation of the stepping motor is not rapidly reversed, but the immediately preceding excitation phase, as shown in FIG.
In, the two phases φ1 and φ2 are excited again for a time sufficiently longer than the normal pulse width.

【0016】ここでは、この励磁方式をダミー励磁と呼
ぶことにする。
Here, this excitation method will be referred to as dummy excitation.

【0017】そして、ダミー励磁によって、キャリッジ
が充分に静止した状態から今度はφ4〜φ1の順に逆に駆
動パルスを与えることにより、キャリッジの円滑な方向
転換を実現することができる。
Then, by the dummy excitation, by applying the driving pulse in the order of φ4 to φ1 in the reverse order from the state where the carriage is sufficiently stationary, the smooth direction change of the carriage can be realized.

【0018】図2においては、このダミー励磁の期間を
符号Tdで示してある。
In FIG. 2, the period of the dummy excitation is indicated by the symbol Td.

【0019】一方、キャリッジがホームポジションに戻
り、再び印字方向へ方向転換する際も同じく、ダミー励
磁方式を採用し、円滑な方向転換を行なっている。
On the other hand, when the carriage returns to the home position and changes its direction again in the printing direction, the dummy excitation method is also used to smoothly change the direction.

【0020】このように、キャリッジの方向転換の際に
必ず直前に励磁した相、しかも充分に長い励磁時間をと
って励磁を再開する構成を採用しているためキャリッジ
の円滑な方向転換が可能となる。
As described above, when the direction of the carriage is changed, it is possible to smoothly change the direction of the carriage because the phase that was excited immediately before the change of the direction of the carriage is always taken and the excitation is resumed with a sufficiently long excitation time. Become.

【0021】この結果、それほど高精度ではない安価な
ステッピングモータを用いながら正確にキャリッジを駆
動させるプリンタを実現することができる。
As a result, it is possible to realize a printer which drives a carriage accurately while using an inexpensive stepping motor which is not so highly accurate.

【0022】[0022]

【発明の効果】以上の説明から明らかなように、本発明
によれば印字ヘッドを取り付けたキャリッジを一方向か
ら他方向に移動方向を変える際並びに逆に他方向から一
方向に移動方向を変える際にそれぞれダミー励磁を行な
い必ず直前に励磁した相からステッピングモータの励磁
を開始する構成を採用しているためキャリッジの円滑な
方向転換が可能で、安価なステッピングモータを用いて
正確なキャリッジ駆動を行なうことができるプリンタが
得られる。
As is apparent from the above description, according to the present invention, when the moving direction of the carriage having the print head is changed from one direction to the other direction, and vice versa. At this time, dummy excitation is performed and the stepping motor excitation is always started from the phase that was excited immediately before.Therefore, smooth direction change of the carriage is possible and accurate carriage driving is possible using an inexpensive stepping motor. A printer is obtained that can perform.

【図面の簡単な説明】[Brief description of drawings]

【図1】従来構造を説明する斜視図である。FIG. 1 is a perspective view illustrating a conventional structure.

【図2】本発明の一実施例を説明するタイミングチャー
ト図である。
FIG. 2 is a timing chart illustrating one embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 印字ヘッド 2 キャリッジ 3 ガイドレール 8 ステッピングモータ 1 Print head 2 Carriage 3 Guide rail 8 Stepping motor

【手続補正書】[Procedure amendment]

【提出日】平成4年2月28日[Submission date] February 28, 1992

【手続補正1】[Procedure Amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】特許請求の範囲[Name of item to be amended] Claims

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【特許請求の範囲】[Claims]

【手続補正2】[Procedure Amendment 2]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0001[Correction target item name] 0001

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0001】[0001]

【産業上の利用分野】本発明はプリンタに係り、さらに
詳しくはキャリッジの正逆移動を正確に行なわしめる
リンタのキャリッジ駆動制御方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printer, and more particularly to a printer carriage drive control method for a printer that can accurately perform forward and reverse movements of a carriage.

【手続補正3】[Procedure 3]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0002[Name of item to be corrected] 0002

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0002】[0002]

【従来の技術】一般に、プリンタは印字ヘッドを設けた
キャリッジを記録紙の幅方向に移動させて印字を行なう
ものである。従来のこの種のプリンタを図1に示す。
2. Description of the Related Art Generally, a printer has a print head.
Printing is performed by moving the carriage in the width direction of the recording paper.
It is a thing. A conventional printer of this type is shown in FIG.

【手続補正4】[Procedure amendment 4]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0010[Correction target item name] 0010

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0010】充分な大きさと精度を 持つ高価なステッピ
ングモ ータを使用しないと、キャ リッジの方向変換時の
キャ リッジの振動の影響を受け てしまうものであった。
すなわち、プリンタにおいて、キャリッジの正逆移動す
なわち方向変換を行なうことにより印字を行なうように
しているものであるが、キャリッジの正方向の駆動と逆
方向の駆動では駆動条件(例えば駆動速度、モータから
キャリッジまでの駆動伝達経路等)が異なり、キャリッ
ジの一方の方向変換と他方の方向変換ではキャリッジの
振動の大きさが異なってしまうものであった。このまま
キャリッジを駆動してしまうと、キャリッジの一方の方
向変換と他方の方向変換で、それぞれ円滑な方向変換を
行なうことができなくなり、桁ずれを起こす恐れがあ
り、また印字ピッチが乱れてしまう恐れもあった。本発
明は以上のような要望に応えたもので、小型で安価なス
テッピングモータを用い、キャリッジの正確な正逆移動
を行ないうるように構成したプリンタのキャリッジ駆動
制御方法を提供することを目的としている。
Expensive stepper with sufficient size and accuracy
If you do not use the Ngumo over data, of the time of changing the direction of the carriage
It was those that would be affected by the vibration of the carriage.
That is, in the printer, the carriage can be moved forward and backward.
That is, printing is performed by changing the direction.
However, it is the reverse of the normal drive of the carriage.
Drive direction (for example, drive speed, from motor
The drive transmission path to the carriage is different)
One direction change and the other direction change of the carriage
The magnitude of the vibration was different. like this
If you drive the carriage, one side of the carriage
Smooth direction change by direction change and other direction change
It may not be possible to carry out, and there is a risk of digit shift.
In addition, the print pitch may be disturbed. The present invention has met the above-described demands, and an object of the present invention is to provide a carriage drive control method for a printer, which is configured to use a small and inexpensive stepping motor and to perform accurate forward and reverse movements of the carriage. There is.

【手続補正5】[Procedure Amendment 5]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0011[Correction target item name] 0011

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0011】[0011]

【課題を解決するための手段】本発明は、この課題を解
決するために、正逆回転可能なステッピングモータを駆
動源とし、印字ヘッドを設けたキャリッジを記録紙の幅
方向に移動させて印字を行なうプリンタのキャリッジ駆
動制御方法において、前記キャリッジを一方向からその
一方向と駆 動条件の異る他方向に移動方向を変える際に
は必ず直前に励磁した相か らしかも充分に長い励磁時
をとってステッピングモ ータの励磁を開始するとと
、前記キャリッジを逆に他方向からその他方向と駆動
条件の異る前記一方向に移動方向を変える際には同様に
必ず直前に励磁した相からしかも充分に長い励磁時間を
とってステッピングモータの励磁を開始し、駆動条件に
拘らずキャリッジの円滑な方向変換を行なう構成を採用
した。
In order to solve this problem, the present invention uses a stepping motor capable of rotating in the forward and reverse directions as a drive source, and moves a carriage provided with a print head in the width direction of a recording sheet for printing. in carriage drive control method for a printer that performs, the said carriage in one direction
When changing the direction of movement to have the other direction of one-way and driving dynamic conditions
During the time it is also sure whether Rashi phase or is excited to just before sufficiently long excitation
Taking also when starting the excitation of the stepping motor
In reverse, drive the carriage from the other direction to the other direction
Start the excitation of the stepping motor taken similarly <br/> yet sufficiently long from the phase which is excited immediately before always exciting time in varying the direction of movement to have the direction of the condition, the driving condition
Regardless of the configuration, the structure that smoothly changes the direction of the carriage is adopted.

【手続補正6】[Procedure Amendment 6]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0012[Correction target item name] 0012

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0012】[0012]

【作用】このような構成では印字ヘッドを取りつけたキ
ャリッジの移動方向を変える際にそれぞれダミー励磁を
行ない必ず直前に励磁した相からステッピングモータの
励磁を開始するようにしているので、駆動条件に拘らず
キャリッジの円滑な方向転換を行なうこ とができ、安価
なステッピングモータを用いて正確なキャリッジ駆動を
行なうことができる。
[Action] Since such a configuration has to be started excitation of the stepping motor from the phase which is excited always just before subjected to dummy excitation respectively in varying the direction of movement of the carriage mounted printhead, regardless of the driving conditions can not and this to perform a smooth redirection of <br/> carriage, it is possible to perform accurate carriage driving using an inexpensive stepping motor.

【手続補正7】[Procedure Amendment 7]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0022[Name of item to be corrected] 0022

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0022】[0022]

【発明の効果】以上の説明から明らかなように、本発明
によれば印字ヘッドを取り付けたキャリッジを一方向か
それと駆動条件 の異る他方向に移動方向を変える際並
びに逆に他方向から駆動条件の異る一方向に移動方向を
変える際にそれぞれダミー励磁を行ない必ず直前に励磁
した相からステッピングモータの励磁を開始する構成を
採用しているため、キャリッジの駆動条件の差に拘らず
キャリッジの振動条件を抑えてキャリッジの円滑な方向
転換を行なうことができ、安価なステッピングモータを
用いて正確なキャリッジ駆動を行なうことができるプリ
ンタが得られる。
As apparent from the above description, driven in the reverse as well as when the carriage fitted with a print head according to the present invention changes the moving direction from one direction at the same Ile other direction of the drive condition from the other direction When changing the moving direction to one direction with different conditions, dummy excitation is performed respectively and the stepping motor excitation is always started from the phase excited immediately before, so regardless of the difference in carriage driving conditions.
It is possible to obtain a printer that can suppress the vibration condition of the carriage and smoothly change the direction of the carriage, and can accurately drive the carriage by using an inexpensive stepping motor.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 正逆回転可能なステッピングモータを駆
動源とし、印字ヘッドを設けたキャリッジを記録紙の幅
方向に移動させて印字を行なうプリンタのキャリッジ駆
動制御方法において、前記キャリッジを一方向から他方
向に移動方向を変える際並びに前記キャリッジを逆に他
方向から一方向に移動方向を変える際にはそれぞれダミ
ー励磁を行ない必ず直前に励磁した相からしかも充分に
長い励磁時間をとってステッピングモータの励磁を開始
することによりキャリッジの円滑な方向変換を行なうこ
とを特徴とするプリンタのキャリッジ駆動制御方法。
1. A carriage drive control method for a printer in which a carriage provided with a print head is moved in the width direction of a recording paper by using a stepping motor capable of rotating in the forward and reverse directions as a drive source, and the carriage is driven from one direction. When changing the moving direction to the other direction and when changing the moving direction of the carriage from the other direction to the one direction, dummy excitation is performed, and the stepping motor always takes a sufficiently long excitation time from the phase excited immediately before. A method for controlling carriage drive of a printer, characterized in that a smooth direction change of the carriage is performed by starting excitation of the carriage.
JP2831692A 1992-02-14 1992-02-14 Carriage driving control method for printer Pending JPH0585005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2831692A JPH0585005A (en) 1992-02-14 1992-02-14 Carriage driving control method for printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2831692A JPH0585005A (en) 1992-02-14 1992-02-14 Carriage driving control method for printer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP7612583A Division JPS59201885A (en) 1983-05-02 1983-05-02 Printer

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP6322794A Division JP2665462B2 (en) 1994-12-26 1994-12-26 Printer carriage drive control method

Publications (1)

Publication Number Publication Date
JPH0585005A true JPH0585005A (en) 1993-04-06

Family

ID=12245213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2831692A Pending JPH0585005A (en) 1992-02-14 1992-02-14 Carriage driving control method for printer

Country Status (1)

Country Link
JP (1) JPH0585005A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325083A (en) * 1977-08-23 1978-03-08 Harrison Electric Co Ltd Method for manufacture of neon tube
JPS57122695A (en) * 1981-01-20 1982-07-30 Seiko Epson Corp Driving system for stepping motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325083A (en) * 1977-08-23 1978-03-08 Harrison Electric Co Ltd Method for manufacture of neon tube
JPS57122695A (en) * 1981-01-20 1982-07-30 Seiko Epson Corp Driving system for stepping motor

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