JPH0575589B2 - - Google Patents
Info
- Publication number
- JPH0575589B2 JPH0575589B2 JP16970984A JP16970984A JPH0575589B2 JP H0575589 B2 JPH0575589 B2 JP H0575589B2 JP 16970984 A JP16970984 A JP 16970984A JP 16970984 A JP16970984 A JP 16970984A JP H0575589 B2 JPH0575589 B2 JP H0575589B2
- Authority
- JP
- Japan
- Prior art keywords
- printing
- thermal
- pattern
- transfer film
- receiving paper
- 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.)
- Expired - Lifetime
Links
- 238000007639 printing Methods 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 38
- 238000007651 thermal printing Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
- B41J2/355—Control circuits for heating-element selection
- B41J2/36—Print density control
Landscapes
- Electronic Switches (AREA)
Description
【発明の詳細な説明】
＜産業上の利用分野＞
本発明は、転写フイルムを用いる熱転写プリン
タの記録方法に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a recording method for a thermal transfer printer using a transfer film.
＜従来の技術＞
一般に、この種の熱転写プリンタは表面にイン
クを塗布してある転写フイルムを熱印字ヘツドと
受像紙との間に介在させ、転写フイルムの裏面か
ら熱印字ヘツドで加熱することにより、転写フイ
ルムの表面に密接している受像紙にインクを転写
し、該受像紙に所望のパターンを印字する。従つ
て、感熱紙プリンタの場合のごとき特定の感熱紙
を使用せねばならないという制限がなく、普通紙
が使用可能である。そのため、使用者の都合によ
つて種々の普通紙が使用されることがある。<Prior art> Generally, this type of thermal transfer printer places a transfer film whose surface is coated with ink between a thermal printing head and an image receiving paper, and heats the transfer film from the back side with the thermal printing head. , the ink is transferred to an image-receiving paper that is in close contact with the surface of the transfer film, and a desired pattern is printed on the image-receiving paper. Therefore, there is no restriction that a specific thermal paper must be used as in the case of a thermal paper printer, and plain paper can be used. Therefore, various types of plain paper may be used depending on the convenience of the user.
＜発明が解決しようとする問題点＞
ところで、従来では熱印字ヘツドは発熱体を列
状に配置してなる１条の発熱体列を有し、この発
熱体列によつて受像紙に印字パターンを形成して
いた。ところが、この場合、上述のごとく使用者
によつて例えば紙面の平滑度が低い受像紙が使用
されると、該受像紙の紙面が粗いため、転写フイ
ルムのインク塗布面と受像紙表面との密着性が悪
く、１度の印字だけではインクが完全に受像紙表
面に転写されない。そのためドツト再現性が低下
して印字パターンが不鮮明となり、印字品質が著
しく低下する欠点があつた。一方、感熱式プリン
タの分野においては、特開昭47−15152号公報で
開示されているごとく、互いに平行する２条の発
熱体を感熱（熱的記録）ヘツドに設けておき、こ
れらの発熱体を用いて感熱紙の同一箇所を２度に
わたつて加熱することにより鮮明な印字パターン
を得るように構成されたものが提案されている。
そこで、熱転写プリンタにおいても上記構成を採
用することが考えられるのであるが、そのために
は複雑な駆動回路をも同時に採用する必要がある
にも拘わらず、特に、紙面の平滑度が低い場合に
おける普通紙の同一箇所に対しての２度にわたる
熱転写を行つたとしても鮮明な印字パターンが得
られるとは限らず、必ずしも印字品質の向上を図
ることができないのが実情であつた。<Problems to be Solved by the Invention> By the way, conventionally, a thermal printing head has a single row of heating elements arranged in a row, and this row of heating elements creates a pattern to be printed on the image-receiving paper. was forming. However, in this case, as mentioned above, if the user uses, for example, image receiving paper with a low paper surface smoothness, the surface of the image receiving paper is rough, so that the ink-coated surface of the transfer film and the surface of the image receiving paper may not come into close contact. The ink is not completely transferred to the surface of the image-receiving paper with only one printing. As a result, the dot reproducibility deteriorates, the print pattern becomes unclear, and the print quality significantly deteriorates. On the other hand, in the field of thermal printers, as disclosed in Japanese Unexamined Patent Publication No. 15152/1982, two heating elements parallel to each other are provided in a thermal (thermal recording) head. A method has been proposed in which a clear print pattern is obtained by heating the same part of thermal paper twice using a heat-sensitive paper.
Therefore, it is conceivable to adopt the above configuration in thermal transfer printers as well, but this would require the adoption of a complex drive circuit at the same time. The reality is that even if thermal transfer is performed twice on the same location on paper, a clear print pattern cannot always be obtained, and the print quality cannot necessarily be improved.
本発明はかかる従来の問題点に鑑み、例えば受
像紙が平滑度の低いものであつても、ドツト再現
性に優れた鮮明な印字パターンが得られるように
することを目的とする。 In view of these conventional problems, it is an object of the present invention to make it possible to obtain a clear printed pattern with excellent dot reproducibility, even if, for example, the image receiving paper has low smoothness.
＜問題点を解決するための手段＞
本発明では、このような目的を達成するため、
熱印字ヘツドを備え、この熱印字ヘツドと受像紙
との間に介在された転写フイルムを該熱印字ヘツ
ドで加熱することにより、転写フイルムのインク
を受像紙に転写し、該受像紙に所望のパターンを
印字するようにした熱転写プリンタの記録方法に
おいて、前記熱印字ヘツドには複数の発熱体を列
状に配置してなる１対の凸状とされた発熱体列が
印字進行方向の前後位置それぞれに所定間隔だけ
離間した平行状態で配置され、前記転写フイルム
には基材よりもインク層の厚みが厚い構造のもの
を適用し、前記熱印字ヘツドの前段の発熱体列で
転写フイルムを加熱して前記受像紙上に第１印字
パターンを形成するとともに、前記後段の発熱体
列で前記転写フイルムを加熱して該第１印字パタ
ーン上に第１印字パターンの一部または全部と同
一パターンを有する第２印字パターンを重ねて形
成して印字を行なうことを特徴とするものであ
る。<Means for solving the problem> In order to achieve such an object, the present invention includes the following steps:
The printer is equipped with a thermal printing head, and by heating a transfer film interposed between the thermal printing head and the image-receiving paper, the ink on the transfer film is transferred to the image-receiving paper, and a desired image is printed on the image-receiving paper. In a recording method of a thermal transfer printer that prints a pattern, the thermal printing head has a pair of convex heating element rows formed by arranging a plurality of heating elements in a row at front and rear positions in the printing progress direction. The transfer film is arranged in a parallel state with a predetermined distance between them, and the transfer film has a structure in which the ink layer is thicker than the base material, and the transfer film is heated by a row of heating elements in the front stage of the thermal printing head. to form a first printed pattern on the image receiving paper, and heat the transfer film with the heating element row at the latter stage to form a pattern on the first printed pattern that is the same as a part or all of the first printed pattern. This method is characterized in that printing is performed by forming second printing patterns in an overlapping manner.
＜実施例＞
以下、本発明を図面に示す実施例に基づいて詳
細に説明する。<Example> Hereinafter, the present invention will be described in detail based on an example shown in the drawings.
第１図は本発明が実施されたシリアル型熱転写
プリンタの概略側面図である。同図において、こ
の熱転写プリンタはシリアル型の熱印字ヘツド１
と、この熱印字ヘツド１に対向して配置されたプ
ラテン２とを備える。このプラテン２と前記熱印
字ヘツド１との間には受像紙３と転写フイルム４
とが送給される。 FIG. 1 is a schematic side view of a serial type thermal transfer printer in which the present invention is implemented. In the figure, this thermal transfer printer has a serial type thermal printing head 1.
and a platen 2 disposed opposite to the thermal printing head 1. Between this platen 2 and the thermal printing head 1 are an image receiving paper 3 and a transfer film 4.
and will be sent.
前記熱印字ヘツド１には第２図に示すように、
複数の発熱体５…を列状に配置してなる１対の凸
状とされた発熱体列６，７が基板８上の印字進行
方向（矢符イ方向）の前後位置それぞれに所定間
隔だけ離間した平行状態で配置されており、この
熱印字ヘツド１は図外に設けられた摺動手段の操
作によつて受像紙３を横切る印字進行方向イに沿
つて摺動させられる。そして、この熱印字ヘツド
１に設けられた２条の発熱体列６，７のそれぞれ
に対しては、各発熱体列６，７単独の発熱によつ
て所要の印字パターンを形成するのに十分なだけ
の電力が図外の発熱駆動手段からの通電によつて
供給されるようになつている。 As shown in FIG. 2, the thermal printing head 1 includes:
A pair of convex heating element rows 6 and 7, which are formed by arranging a plurality of heating elements 5 in a row, are arranged at predetermined intervals at front and back positions in the printing progress direction (direction of arrow A) on the substrate 8. The thermal print head 1 is arranged in a spaced apart parallel manner and is slid along the printing progress direction A across the image receiving paper 3 by operation of a sliding means provided not shown. For each of the two heating element rows 6 and 7 provided in this thermal printing head 1, the heat generated by each heating element row 6 and 7 alone is sufficient to form a desired printing pattern. This amount of power is supplied by energization from a heat generating drive means (not shown).
また、上記転写フイルム４としては、第３図で
示すように、薄肉の基材９上にこれよりも厚みの
厚いインク層、例えば、網状層１０中に熱溶融性
インク１１を含浸してなるいわゆるマルチタイム
インクリボンが用いられる。 As shown in FIG. 3, the transfer film 4 is formed by impregnating a thicker ink layer, for example, a reticular layer 10, with a hot-melt ink 11 on a thin base material 9. A so-called multi-time ink ribbon is used.
このような構成の熱転写プリンタでは、熱印字
ヘツド１と受像紙３との間に介在された転写フイ
ルム４を該熱印字ヘツド１で加熱することによ
り、転写フイルム４のインクを受像紙３に転写
し、該受像紙３に所望のパターンが印字する。そ
の際、前記受像紙３上に、まず、前段の発熱体列
６によつて、第１印字パターンを形成する。第１
印字パターンは受像紙３の平滑度が低いほど全体
的に不鮮明になる。そこで、本発明では後段の発
熱体列７で前記転写フイルム４を加熱して該第１
印字パターン上に第１印字パターンの一部または
全部と同一のパターンを有する第２印字パターン
を重ねて形成して印字を行なう。 In a thermal transfer printer having such a configuration, ink on the transfer film 4 is transferred to the image receiving paper 3 by heating the transfer film 4 interposed between the thermal printing head 1 and the image receiving paper 3 with the thermal printing head 1. Then, a desired pattern is printed on the image receiving paper 3. At this time, first, a first print pattern is formed on the image receiving paper 3 by the heating element array 6 in the previous stage. 1st
The lower the smoothness of the image-receiving paper 3, the less clear the overall print pattern becomes. Therefore, in the present invention, the transfer film 4 is heated by the heat generating element row 7 in the latter stage.
Printing is performed by overlappingly forming a second printing pattern having the same pattern as part or all of the first printing pattern on the printing pattern.
なお、このとき、前段及び後段それぞれに位置
する発熱体列６，７は互いに所定間隔だけ離間し
た状態で設けられているのであるから、これらの
両発熱体列６，７間には互いの熱的な影響を妨げ
るための断熱空間が設けられているのと同じこと
になる。そこで、一方の発熱体列６（７）による
印字中に他方の発熱体列７（６）からの熱的な影
響が作用することに伴う印字パターンの染みなど
の不都合が発生する恐れはない。 At this time, since the heating element rows 6 and 7 located at the front stage and the rear stage are provided with a predetermined distance from each other, there is no heat transfer between these heating element rows 6 and 7. This is the same as providing an insulating space to prevent negative effects. Therefore, there is no possibility that problems such as staining of the printed pattern due to the thermal influence from the other heating element array 7 (6) occurring during printing by one heating element array 6 (7) will occur.
従つて、受像紙３に対して同一箇所に第１印字
パターンと第２印字パターンとが重複形成される
ので、最終的には平滑度の低い受像紙３において
も、鮮明な印字パターンを得ることができる。ま
た、この場合、転写フイルム４はその構造上、充
分な量のインクを含浸しているので転写フイルム
４の同一箇所が前段、後段の両発熱体列６，７で
加熱された場合でも前後の発熱体列６，７でのイ
ンク移転量にほとんど差異はなく、従つて、重複
転写を特に避ける必要がない。 Therefore, since the first print pattern and the second print pattern are formed overlappingly at the same location on the image receiving paper 3, it is possible to finally obtain a clear print pattern even on the image receiving paper 3 with low smoothness. I can do it. In addition, in this case, because the transfer film 4 is impregnated with a sufficient amount of ink due to its structure, even if the same part of the transfer film 4 is heated by both the front and rear heating element rows 6 and 7, the front and rear There is almost no difference in the amount of ink transferred between the heating element rows 6 and 7, and therefore there is no need to avoid redundant transfer.
なお、受像紙３の特性等によつては、第１印字
パターンが部分的に不鮮明になることがあるが、
この場合には、後段の発熱体列７で不鮮明部分の
みに重ね打ちするようにしてもよい。 Note that depending on the characteristics of the image-receiving paper 3, the first print pattern may become partially unclear.
In this case, only the unclear portions may be overprinted using the heating element array 7 in the latter stage.
第４図は他の実施例の要部概略正面図で、本発
明を実施したライン型熱転写プリンタを示し、第
１図の実施例と同一の部分には同一の符号を付し
ている。すなわち、１′はライン型の熱印字ヘツ
ド、２はプラテン、３は受像紙、４は転写フイル
ム、６，７はそれぞれ前後の発熱体列、８は熱印
字ヘツド１の基板である。 FIG. 4 is a schematic front view of main parts of another embodiment, showing a line-type thermal transfer printer embodying the present invention, in which the same parts as in the embodiment of FIG. 1 are given the same reference numerals. That is, 1' is a line type thermal printing head, 2 is a platen, 3 is an image receiving paper, 4 is a transfer film, 6 and 7 are front and rear heating element rows, respectively, and 8 is a substrate of the thermal printing head 1.
この実施例においても、前段の発熱体列６によ
つて受像紙３に第１印字パターンを形成したの
ち、後段の発熱体列７で前記転写フイルム４を加
熱して該第１印字パターン上に第１印字パターン
の一部または全部と同一のパターンを有する第２
印字パターンを重ねて形成して印字を行なう。 In this embodiment as well, after the first printing pattern is formed on the image receiving paper 3 by the heating element row 6 at the front stage, the transfer film 4 is heated by the heating element row 7 at the rear stage to form the first printing pattern on the first printing pattern. A second printing pattern having the same pattern as part or all of the first printing pattern.
Printing is performed by forming printing patterns in an overlapping manner.
＜発明の効果＞
以上のように本発明によれば、熱印字ヘツドを
備え、この熱印字ヘツドと受像紙との間に介在さ
れた転写フイルムを該熱印字ヘツドで加熱するこ
とにより、転写フイルムのインクを受像紙に転写
し、該受像紙に所望のパターンを印字するように
した熱転写プリンタの記録方法において、熱印字
ヘツドには複数の発熱体を列状に配置してなる１
対の凸状とされた発熱体列が印字進行方向の前後
位置それぞれに所定間隔だけ離間した平行状態で
配置され、転写フイルムには基材よりもインク層
の厚みが厚い構造のものを適用し、前記熱印字ヘ
ツドの前段の発熱体列で転写フイルムを加熱して
前記受像紙上に第１印字パターンを形成するとと
もに、前記後段の発熱体列で前記転写フイルムを
加熱して該第１印字パターン上に第１印字パター
ンの一部または全部と同一のパターンを有する第
２印字パターンを重ねて形成して印字を行なうよ
うにしたので、平滑度が低く紙面の粗い受像紙に
印字しても鮮明な印字パターンが得られ、印字品
質を高水準に保つことができる。また、後段の発
熱体列によつて第２の印字パターンを第１の印字
パターン上に形成しているときに、同時に前段の
発熱体列によつて次桁の第１の印字パターンを形
成することができるので、従来の１度打ちの場合
と同じ印字速度で印字することができる。さら
に、転写フイルムの同一箇所が前段、後段の両発
熱体列で印字使用できるので重複転写を避けるた
めの複雑な転写フイルムの搬送機構が不要とな
る。このため、小型化を図れ、しかも操作性が向
上するという優れた効果が発揮される。<Effects of the Invention> As described above, according to the present invention, a thermal printing head is provided, and the transfer film interposed between the thermal printing head and the image receiving paper is heated by the thermal printing head. In a recording method for a thermal transfer printer, in which a desired pattern is printed on the image-receiving paper by transferring ink of
Pairs of convex heating element rows are arranged parallel to each other with a predetermined distance apart from each other in the front and rear positions in the printing progress direction, and the transfer film has a structure in which the ink layer is thicker than the base material. , the transfer film is heated by the heating element row at the front stage of the thermal printing head to form a first printing pattern on the image receiving paper, and the transfer film is heated by the heating element row at the rear stage to form the first printing pattern. Since the second printing pattern, which has the same pattern as part or all of the first printing pattern, is formed overlappingly on top of the first printing pattern, it is possible to print clearly even when printing on receiving paper with low smoothness and rough paper surface. It is possible to obtain a unique printing pattern and maintain a high level of printing quality. Furthermore, while the second printing pattern is being formed on the first printing pattern by the heating element row in the latter stage, the first printing pattern of the next digit is simultaneously formed by the heating element row in the preceding stage. Therefore, it is possible to print at the same printing speed as in the conventional one-time printing. Furthermore, since the same location on the transfer film can be used for printing in both the front and rear rows of heating elements, a complicated transfer film transport mechanism to avoid redundant transfer is not required. Therefore, excellent effects such as miniaturization and improved operability can be achieved.
第１図は本発明が実施されたシリアル型熱転写
プリンタの概略側面図、第２図は熱印字ヘツドの
要部概略平面図、第３図は転写フイルムの断面
図、第４図は他の実施例の要部概略正面図であ
る。
１……熱印字ヘツド、３……受像紙、４……転
写フイルム、５……発熱体、６……前段の発熱体
列、７……後段の発熱体列、１０……網状層、１
１……インク。
Fig. 1 is a schematic side view of a serial type thermal transfer printer in which the present invention is implemented, Fig. 2 is a schematic plan view of the main parts of the thermal printing head, Fig. 3 is a sectional view of the transfer film, and Fig. 4 is another embodiment. It is a main part schematic front view of an example. DESCRIPTION OF SYMBOLS 1... thermal printing head, 3... image receiving paper, 4... transfer film, 5... heating element, 6... front heating element row, 7... rear heating element row, 10... network layer, 1
1...Ink.
Claims (1)
像紙との間に介在された転写フイルムを該熱印字
ヘツドで加熱することにより、転写フイルムのイ
ンクを受像紙に転写し、該受像紙に所望のパター
ンを印字するようにした熱転写プリンタの記録方
法において、前記熱印字ヘツドには複数の発熱体
を列状に配置してなる１対の凸状とされた発熱体
列が印字進行方向の前後位置それぞれに所定間隔
だけ離間した平行状態で配置され、前記転写フイ
ルムには基材よりもインク層の厚みが厚い構造の
ものを適用し、前記熱印字ヘツドの前段の発熱体
列で転写フイルムを加熱して前記受像紙上に第１
印字パターンを形成するとともに、前記後段の発
熱体列で前記転写フイルムを加熱して該第１印字
パターン上に第１印字パターンの一部または全部
と同一のパターンを有する第２印字パターンを重
ねて形成して印字を行なうことを特徴とする熱転
写プリンタの記録方法。1 A thermal printing head is provided, and by heating a transfer film interposed between the thermal printing head and the image receiving paper, the ink on the transfer film is transferred to the image receiving paper, and a desired image is printed on the image receiving paper. In the recording method of the thermal transfer printer, the thermal printing head has a plurality of heating elements arranged in a row, and a pair of convex heating element rows arranged in front and back in the printing progress direction. The transfer film is arranged in parallel with a predetermined distance between each position, and the transfer film has a structure in which the ink layer is thicker than the base material. Heat the first layer onto the image receiving paper.
At the same time as forming a printing pattern, the transfer film is heated by the heating element row at the latter stage, and a second printing pattern having the same pattern as a part or all of the first printing pattern is superimposed on the first printing pattern. A recording method for a thermal transfer printer characterized by forming and printing characters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59169709A JPS6147274A (en) | 1984-08-13 | 1984-08-13 | Recording method of thermal transfer printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59169709A JPS6147274A (en) | 1984-08-13 | 1984-08-13 | Recording method of thermal transfer printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6147274A JPS6147274A (en) | 1986-03-07 |
| JPH0575589B2 true JPH0575589B2 (en) | 1993-10-20 |
Family
ID=15891411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59169709A Granted JPS6147274A (en) | 1984-08-13 | 1984-08-13 | Recording method of thermal transfer printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6147274A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60135271A (en) * | 1983-12-24 | 1985-07-18 | Nec Corp | Printing method in thermal printer |
-
1984
- 1984-08-13 JP JP59169709A patent/JPS6147274A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60135271A (en) * | 1983-12-24 | 1985-07-18 | Nec Corp | Printing method in thermal printer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6147274A (en) | 1986-03-07 |
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