JPH02252567A - Recorder - Google Patents
RecorderInfo
- Publication number
- JPH02252567A JPH02252567A JP7394489A JP7394489A JPH02252567A JP H02252567 A JPH02252567 A JP H02252567A JP 7394489 A JP7394489 A JP 7394489A JP 7394489 A JP7394489 A JP 7394489A JP H02252567 A JPH02252567 A JP H02252567A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- head
- ink
- finely
- raster
- 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
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000001454 recorded image Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、記録装置に関し、詳しくは、記録ヘッドの記
録液吐出面に一線上に配列された複数のインク吐出口を
具え、その配列方向とは直角の方向に被記録材を送りな
がら複数のインク吐出口から選択的にインクを吐出させ
て記録が行われる液体噴射方式の記録装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a recording device, and more particularly, the present invention relates to a recording device, and more specifically, the present invention includes a plurality of ink discharge ports arranged in a line on a recording liquid discharge surface of a recording head, and This relates to a liquid jet recording apparatus that performs recording by selectively ejecting ink from a plurality of ink ejection ports while feeding a recording material in a perpendicular direction.
従来、この種の記録装置では、記録液吐出面に配列され
るインク吐出口の配置密度を高めることにより被記録材
、例えば記録シート上に形成されるドツトの数が多くな
り、それだけ記録スピードが高められると共に高密度の
ドツトによる記録画像が得られるという利点がある。Conventionally, in this type of recording device, the number of dots formed on a recording material, such as a recording sheet, increases by increasing the arrangement density of ink discharge ports arranged on a recording liquid discharge surface, and the recording speed increases accordingly. This has the advantage that it is possible to obtain a recorded image with high density dots.
〔発明が解決しようとする課題）
しかしながら、上述したような従来の記録装置では、イ
ンク吐出口の配列間隔によって配列方向の記録密度が決
ってしまい、配列方向とは直角の方向、すなわち送り方
向に対しては送り速度と記録のタイミングを制御するこ
とによってドツトの間隔を自在に変化させ、高密度化す
ることはできるが、縦方向に筋っぽい画像になってしま
うという欠点があった。[Problem to be Solved by the Invention] However, in the conventional recording device as described above, the recording density in the arrangement direction is determined by the arrangement interval of the ink ejection ports, and the recording density in the direction perpendicular to the arrangement direction, that is, in the feeding direction. On the other hand, it is possible to freely change the dot spacing and increase the density by controlling the feed speed and recording timing, but it has the disadvantage that the image becomes streaky in the vertical direction.
第４図は配列方向のインク吐出口間隔がａの記録ヘッド
により、記録シートをａの間隔で送りながらべた記録を
行ったときの記録画像におけるドツトの配列を示したも
のである。また、第５図は同じ記録ヘッドにより送り方
向の間隔をａからａ／２にあたａｏに変えて記録を行っ
たときのドツトの配列を示し、このように第４図に比し
て送り方向の解像度が高められ、光学濃度もまた向上す
るが筋が目立った画像となることが分る。FIG. 4 shows the arrangement of dots in a printed image when solid printing is performed with a printing head having an ink ejection opening interval of a in the arrangement direction while feeding a printing sheet at an interval of a. Furthermore, Figure 5 shows the arrangement of dots when recording is performed with the same recording head by changing the spacing in the feed direction from a to a/2 to ao. It can be seen that the directional resolution is increased and the optical density is also improved, but the image has noticeable streaks.
本発明の目的は、上述した従来の欠点を除去し、全体的
な画像として階調性が優れ均一なドツト密度による画像
が得られる記録装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a recording apparatus which eliminates the above-mentioned conventional drawbacks and can produce an image with excellent gradation and uniform dot density as an overall image.
〔課題を解決するための手段〕
かかる目的を達成するために、本発明は、記録ヘッドの
被記録材と対向する位置に一線上に配列された複数のイ
ンク吐出口を有し、その配列方向とは直角の方向に被記
録材を所定の間隔で送るたびに複数のインク吐出口から
選択的にインクを吐出させて記録が行われる記録装置に
おいて、記録ヘッドをインク吐出口の配列方向に微移動
させる微動手段と、被記録材を送る所定の間隔を微動手
段による微動量に対応して設定する手段とを具えたこと
を特徴とするものである。[Means for Solving the Problems] In order to achieve the above object, the present invention has a plurality of ink ejection ports arranged in a line at a position facing a recording material of a print head, and the arrangement direction of the ink ejection ports is In a recording device that performs recording by selectively ejecting ink from a plurality of ink ejection ports each time a recording material is fed at a predetermined interval in a direction perpendicular to The present invention is characterized by comprising a fine movement means for moving the recording material, and a means for setting a predetermined interval at which the recording material is fed in accordance with the amount of fine movement by the fine movement means.
（作用）
本発明によれば、記録ヘッドをインク吐出口の配列方向
に微移動さセる手段を設け、この微移動手段畔より記録
ヘッドを送りのタイミングに合わせた適切なタイミング
と振幅で微移動させるようにしたので、被記録材の送り
方向のみならずインク吐出口の配列方向に対してもドツ
ト間隔とドツトの分布を変化させることができ、全体的
にｍ調性の良好な記録画像を得ることができる。(Function) According to the present invention, a means for finely moving the recording head in the arrangement direction of the ink ejection orifices is provided, and the recording head is finely moved from the side of the fine movement means at an appropriate timing and amplitude in accordance with the feeding timing. Since the dots are moved, it is possible to change the dot spacing and dot distribution not only in the feeding direction of the recording material but also in the arrangement direction of the ink ejection ports, resulting in an overall recorded image with good m-tonality. can be obtained.
以下に、図面に基づいて本発明の実施例を詳細かつ具体
的に説明する。Embodiments of the present invention will be described in detail and specifically below based on the drawings.
第１図は本発明の一実施例を示す、ここで、１は被記録
材として例えば記録シート２を保持すると共に記録シー
ト２を所定のタイミングでシート送りするプラテン、３
は送り用のモータ、４はモータ３と同軸のドライブギヤ
、５はプラテン駆動ギヤ、６はドライブギヤ４と駆動ギ
ヤとの間に設けた中間ギヤである。また、７はプラテン
ｌに沿って設けられ、記録シート２上に記録幅−ばいに
記１Ｊが可能なマルチノズルの記録ヘッドであり、その
記録シート２と対向する吐出面７＾には不図示のインク
吐出口が所定の間隔ａを保って一線上に配列されていて
、これらのインク吐出口から記録シート２に向けてイン
クが吐出され記録が行われる。FIG. 1 shows an embodiment of the present invention, in which reference numeral 1 denotes a platen that holds, for example, a recording sheet 2 as a recording material and feeds the recording sheet 2 at a predetermined timing;
4 is a feeding motor, 4 is a drive gear coaxial with the motor 3, 5 is a platen drive gear, and 6 is an intermediate gear provided between the drive gear 4 and the drive gear. A multi-nozzle recording head 7 is provided along the platen l and is capable of recording a recording width of 1J on the recording sheet 2, and the ejection surface 7^ facing the recording sheet 2 has nozzles (not shown). The ink ejection ports are arranged in a line at a predetermined interval a, and ink is ejected from these ink ejection ports toward the recording sheet 2 to perform recording.
また、８は記録ヘッドの端部に設けた圧電素子であり、
その圧電効果を利用して矢印Ｂ方向に所定のタイミング
および振幅で往復微移動させることができる。第２図は
このような記録装置により記録を行ったときのべた記録
による画像形成例を示す、このように記録ヘッド７によ
る記録で、その第１のラスタ、すなわち第１段目のドツ
ト列記録を行ったあとの送りのピッチ４をａ／２に保つ
と共に、第２ラスタのドツト記録を行うときに、圧電素
子８を駆動して記録ヘッド７をａ／２だけ右方向に微移
動させるようにする。また、このあとの第３ラスクでは
再び記録ヘッド７を徴穆動前の状態に保つようになして
、以下このような動作を繰返すことによって、第２図に
示すように均一でかつ高密度に分散されたドツトによる
記録画像を得ることができた。Further, 8 is a piezoelectric element provided at the end of the recording head,
Utilizing the piezoelectric effect, it is possible to make fine reciprocating movements in the direction of arrow B at a predetermined timing and amplitude. FIG. 2 shows an example of image formation by solid printing when printing is performed by such a printing apparatus.As shown in FIG. The pitch 4 of the feed after performing is maintained at a/2, and when recording dots of the second raster, the piezoelectric element 8 is driven to slightly move the recording head 7 to the right by a/2. Make it. In addition, in the third rask after this, the recording head 7 is again kept in the state before the graining movement, and by repeating this operation, a uniform and high-density image can be obtained as shown in FIG. A recorded image of dispersed dots could be obtained.
第３図は本発明による他の実施例を示す０本例は上述の
実施例に加えて公知のドツト径を変化させる手段により
第１ラスクと第２ラスク、また第２ラスタと第３ラスク
という風に交互にドツト径を変化させるようにしたもの
である。図示はしないが、このようにドツト径変調手段
を設けることにより第１ラスクでのドツト記録後ａ／２
ピッチの送りを行うと共に、その間に圧電素子８により
記録ヘッド７をａ／２だけ右方向に微移動させて、更に
ドツト径変調手段により小さい径のインク滴を第２ラス
クで吐出させる。かくしてこのような動作を繰返すこと
により第３図に示すように、大きいドツトで形成された
画像のすき間部分を小さいドツトで埋め合せた画像を得
ることができた。なお本例は、特にインク消費量の節減
を図った例で、しかも同様にしてドツト密度の高い高品
位の記録画像とすることができる。FIG. 3 shows another embodiment according to the present invention. In addition to the above-described embodiment, this embodiment uses known means for changing the dot diameter to create a first rask and a second raster, and also a second raster and a third raster. The diameter of the dots is changed alternately according to the wind. Although not shown, by providing the dot diameter modulating means in this way, the dot diameter can be adjusted by a/2 after recording in the first rask.
While the pitch is being fed, the recording head 7 is slightly moved to the right by a/2 by the piezoelectric element 8 during this time, and the ink droplets having a smaller diameter are ejected in the second rask by the dot diameter modulating means. By repeating these operations, it was possible to obtain an image in which the gaps in the image formed by large dots were filled in with small dots, as shown in FIG. Note that this example is an example in which ink consumption is particularly reduced, and a high-quality recorded image with a high dot density can be obtained in the same manner.
以上説明してきたように、本発明によれば、記録ヘッド
をインク吐出口の配列方向に微移動させる手段を有し、
この配列方向とは直角な被記録材送りのタイミングと送
り間隔を前記の微移動させる手段による微移動に対応し
て行うようにしたので、均一な高密度の記録画像を得る
ことができた。更にまた、ドツト径変調手段を設け、被
記録材送りとドツト径の変化とを組合せて、送りごとに
交互にドツト径を変化させることにより最少限のインク
消費量でしかも高密度のドツトによる記録画像を形成す
ることができるようになった。As described above, according to the present invention, there is provided a means for slightly moving the recording head in the arrangement direction of the ink ejection ports,
Since the timing and feeding interval of feeding the recording material perpendicular to the arrangement direction were made to correspond to the fine movement by the above-mentioned fine movement means, it was possible to obtain a uniform, high-density recorded image. Furthermore, a dot diameter modulation means is provided, and by combining the feeding of the recording material and changing the dot diameter, the dot diameter is alternately changed each time the recording material is fed, thereby minimizing ink consumption and recording with high density dots. It is now possible to form images.
３ ・・・ 送りモータ、 ４； ５，６ ・・・ ギヤ、 ７ ・・・ 記録ヘッド、 ８ ・・・ 圧電素子。3...Feed motor, 4; 5, 6... Gear, 7... recording head, 8...Piezoelectric element.
第１図は本発明記録装置の構成の一例を示す斜視図、
第２図は本発明による記録画像のドツト分布を模式的に
示す説明図、
第３図は本発明の他の実施例による記録画像のドツト分
布を模式的に示す説明図、
第４図は従来例による記録画像のドツト分布を示す説明
図、
第５図は従来例として送り方向のピッチを短縮したとき
のドツト分布を示す説明図である。
１ ・・・ プラテン、
２ ・・・ 記録シート、
２ぎひ１表シート
本で明−一笑犯１７＋１とポ］潰へ菌
第１図
、−１ａＨ
−十Σヒ 比口咋
オリ開明１４る２ち鈴還汁にのドツトバ咬口５図第２図
＠ａヒFIG. 1 is a perspective view showing an example of the configuration of the recording apparatus of the present invention, FIG. 2 is an explanatory diagram schematically showing the dot distribution of a recorded image according to the present invention, and FIG. 3 is a recording according to another embodiment of the present invention. An explanatory diagram schematically showing the dot distribution of an image. Fig. 4 is an explanatory diagram showing the dot distribution of a recorded image according to a conventional example. Fig. 5 is an explanatory diagram showing the dot distribution when the pitch in the feeding direction is shortened as a conventional example. It is a diagram. 1...Platen, 2...Record sheet, 2 Gihi 1 sheet book with Ming-Isshohan 17+1 and Po] Crushing Bacteria Diagram 1, -1aH -10Σhi Hikukui Ori Kaimei 14ru 2 Chizu Kanjiru's Dotsutoba bite 5 Figure 2 @ahi
Claims (1)
列された複数のインク吐出口を有し、その配列方向とは
直角の方向に前記被記録材を所定の間隔で送るたびに前
記複数のインク吐出口から選択的にインクを吐出させて
記録が行われる記録装置において、 前記記録ヘッドを前記インク吐出口の配列方向に徴移動
させる微動手段と、 前記被記録材を送る前記所定の間隔を前記微動手段によ
る微動量に対応して設定する手段とを具えたことを特徴
とする記録装置。 ２）前記複数のインク吐出口から吐出させるインク量を
変更可能なインク量変更手段を有し、前記被記録材を所
定の間隔で送るたびに前記微動手段により前記記録ヘッ
ドを微移動させると共に、前記インク量変更手段による
吐出インク量を交互に変更させるようにしたことを特徴
とする記録装置。[Scope of Claims] 1) The recording head has a plurality of ink ejection ports arranged in a line at a position facing the recording material, and the recording material is ejected in a predetermined direction in a direction perpendicular to the arrangement direction. A recording apparatus that performs recording by selectively ejecting ink from the plurality of ink ejection ports each time the ink is fed at intervals, further comprising: a fine movement means for moving the print head in a direction in which the ink ejection ports are arranged; A recording apparatus characterized by comprising: means for setting the predetermined interval at which the material is fed in accordance with the amount of fine movement by the fine movement means. 2) having an ink amount changing means capable of changing the amount of ink ejected from the plurality of ink ejection ports, and finely moving the recording head by the fine movement means each time the recording material is fed at a predetermined interval; A recording apparatus characterized in that the amount of ink ejected by the ink amount changing means is alternately changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7394489A JPH02252567A (en) | 1989-03-28 | 1989-03-28 | Recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7394489A JPH02252567A (en) | 1989-03-28 | 1989-03-28 | Recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02252567A true JPH02252567A (en) | 1990-10-11 |
Family
ID=13532721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7394489A Pending JPH02252567A (en) | 1989-03-28 | 1989-03-28 | Recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02252567A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995031334A1 (en) * | 1994-05-11 | 1995-11-23 | Seiko Epson Corporation | Ink jet recording method and recording apparatus |
| WO1998043818A1 (en) * | 1997-04-02 | 1998-10-08 | Seiko Epson Corporation | Printer, image formation method and recording medium |
| JPH11245397A (en) * | 1998-01-08 | 1999-09-14 | Xerox Corp | Liquid ink printer |
| JP2011062822A (en) * | 2009-09-15 | 2011-03-31 | Ricoh Co Ltd | Image forming apparatus |
| WO2014206038A1 (en) * | 2013-06-26 | 2014-12-31 | 京东方科技集团股份有限公司 | Ink-jet printing device and raster manufacturing method |
-
1989
- 1989-03-28 JP JP7394489A patent/JPH02252567A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995031334A1 (en) * | 1994-05-11 | 1995-11-23 | Seiko Epson Corporation | Ink jet recording method and recording apparatus |
| WO1998043818A1 (en) * | 1997-04-02 | 1998-10-08 | Seiko Epson Corporation | Printer, image formation method and recording medium |
| JPH11245397A (en) * | 1998-01-08 | 1999-09-14 | Xerox Corp | Liquid ink printer |
| JP2011062822A (en) * | 2009-09-15 | 2011-03-31 | Ricoh Co Ltd | Image forming apparatus |
| WO2014206038A1 (en) * | 2013-06-26 | 2014-12-31 | 京东方科技集团股份有限公司 | Ink-jet printing device and raster manufacturing method |
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