JPS5968273A - Double side thermal printer - Google Patents

Double side thermal printer

Info

Publication number
JPS5968273A
JPS5968273A JP17869182A JP17869182A JPS5968273A JP S5968273 A JPS5968273 A JP S5968273A JP 17869182 A JP17869182 A JP 17869182A JP 17869182 A JP17869182 A JP 17869182A JP S5968273 A JPS5968273 A JP S5968273A
Authority
JP
Japan
Prior art keywords
printing
platen roller
paper
motor
pulse
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
Application number
JP17869182A
Other languages
Japanese (ja)
Other versions
JPH0257509B2 (en
Inventor
Katsu Mitsushima
光島 且
Shigero Kusuki
楠木 茂郎
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.)
Shinko Electric Co Ltd
Original Assignee
Shinko Electric Co Ltd
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 Shinko Electric Co Ltd filed Critical Shinko Electric Co Ltd
Priority to JP17869182A priority Critical patent/JPS5968273A/en
Publication of JPS5968273A publication Critical patent/JPS5968273A/en
Publication of JPH0257509B2 publication Critical patent/JPH0257509B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/60Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material

Abstract

PURPOSE:To enable to reduce the numbers of pulse motors, motor drivers and motor-controlling circuits, by a method wherein a platen roller for printing on the face side and a platen roller for printing on the back side are driven to rotate by a single driving means in common. CONSTITUTION:When the leading end 1a of a paper is fed between a thermal head 5 for printing on the face side and the platen roller 6 by a feeding roller 3 driven by a pulse motor 11 and the distance between the leading end 1a and a cutter 4 becomes a predetermined length, the paper 1 is cut by a signal from a CPU. Then, face-side printing is conducted by repeating a controlling cycle wherein the head 5 is operated to print a one-line quantity and then the platen roller 6 is rotated by 1 step by the pulse motor 14. In this case, both of the platen rollers 6, 8 are rotated synchronously with each other, and when the leading end 1a reaches a head 7 for printing on the back side, the paper 1 is rightwardly fed by the platen roller 8, and back-side printing is similarly conducted at a predetermined position. Accordingly, the numbers of motors and circuits can be reduced, and synchronism can be easily achieved.

Description

【発明の詳細な説明】 こり発明は表面印刷用サーマルヘッドと裏面印刷用サー
マルヘッドとを具俳1する両面サーマル印刷装置に関す
る。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a double-sided thermal printing apparatus that includes a thermal head for printing on the front side and a thermal head for printing on the back side.

周知のとおり、サーマル印刷装置は印刷用紙(以下用紙
と略称する)に白液されたサーマルヘッドにパルス状の
電気信号(印刷データ)を供給することにより、用紙上
に発熱印刷を行うものであり、用紙の両面に印刷を施す
には表面印刷用と具部印刷用のサーマルヘッドを別個に
設けるのが一般的である。第1図は、この檎、の両面サ
ーマル印刷装置の一構成例を示す概略図であり、図にお
いて、1はロール状に巻回された用紙である。この用紙
lは、迭りローラ3、カッタ4を介して、表面印刷用サ
ーマルヘッド5とプラテンローラ6とが形成する間隙に
搬送され、カッタ4によって所定長に切断された後、表
面印刷用サーマルヘッド5によって表面に発熱印刷され
る。そして、表面印刷された用紙1は、裏面印刷用サー
マルヘッド7とプラテンローラ8との間隙に送り込まれ
、ここで裏面印刷され、排出ローラ9によって外部へ排
出される。
As is well known, a thermal printing device performs heat-generating printing on printing paper (hereinafter referred to as "paper") by supplying a pulsed electric signal (print data) to a thermal head coated with white liquid. In order to print on both sides of a sheet of paper, it is common to provide separate thermal heads for front side printing and for printing on the top part. FIG. 1 is a schematic diagram showing an example of the configuration of this double-sided thermal printing device. In the figure, 1 is a sheet of paper wound into a roll. This paper l is conveyed to the gap formed by the thermal head 5 for front side printing and the platen roller 6 via the sliding roller 3 and the cutter 4, and is cut into a predetermined length by the cutter 4. The head 5 prints heat on the surface. Then, the paper 1 with the front side printed is fed into the gap between the back side printing thermal head 7 and the platen roller 8, where the back side is printed, and the paper 1 is ejected to the outside by the ejection roller 9.

ところで、上述した従来の両面サーマル印刷装置におい
ては、送りローラ3、プラテンローラ6、プラテンロー
ラ8は各々別個のパルスモータ9によって回転駆動され
る。すなわち、第1図に示すように、送υロー23はベ
ル)llaを介してバ)vxモモ−p l J ニ、7
’ /Fテンロー、761dベルト12aを介してパル
スモータ12に、プラテンローラ8はベルト13aを介
してパルスモータ13に各々回転11駆動される。この
ため、パルスモータが3飼必要となる上に、表裏の印刷
が同時に行われる場合においては、パルスモータ12と
パルスモータ130同期をとりながら印刷しなければな
らなかった。
By the way, in the conventional double-sided thermal printing apparatus described above, the feed roller 3, platen roller 6, and platen roller 8 are each rotationally driven by a separate pulse motor 9. That is, as shown in FIG.
'/F Tenrow and 761d are driven by a pulse motor 12 via a belt 12a, and the platen roller 8 is driven by a pulse motor 13 via a belt 13a for 11 rotations. For this reason, three pulse motors are required, and when printing on the front and back sides is performed at the same time, the pulse motors 12 and 130 must be synchronized to perform printing.

この発明は上記の事情に鑑み、パルスモータの節減を図
った両面サーマル印刷装置を提供するもので、表向印刷
用プラテンローラと裏面印刷用プラテンローラとをl(
固のパルスモータで駆動することを特徴とする。
In view of the above-mentioned circumstances, this invention provides a double-sided thermal printing device that reduces the number of pulse motors, and the platen roller for front-side printing and the platen roller for back-side printing are connected to one another (1).
It is characterized by being driven by a solid pulse motor.

以下、図面に基づいて本発明の詳細な説明する。Hereinafter, the present invention will be described in detail based on the drawings.

第2図は、本発明による両面サーマル印刷装置^□の構
成を示す概略図であり、図において、第1図の各部に対
応する部分には同一の符号を付し、その説明を省略する
。本実施例が、第1図に示す従来の両面サーマル印刷装
置と異なる点は、プラテンローラ6と8との回転駆動方
法である。すなわち、従来の両面サーマル印刷装置ρ(
第1図)においては、プラテンローラ6と8が各々別個
のパルスモータ12,13によって回転駆動されるが、
本実施例においては、プラテンローラ6と8とがパルス
モータ14によって共通駆動される点である。すなわち
、本実施例においては、プラテンローラ8の右側近傍に
アイドルプーリ15を設け、パルスモータ14.プラテ
ンロー26.アイドルプーリ15を(ロ)周するベルト
14aを張設し、このベルト14aの外面がプラテンロ
ーラ8に当接するように構成する。これによって、プラ
テンローラ6と8とは、パルスモータ14によって共通
駆動される。
FIG. 2 is a schematic diagram showing the configuration of a double-sided thermal printing apparatus according to the present invention. In the figure, parts corresponding to those in FIG. This embodiment differs from the conventional double-sided thermal printing apparatus shown in FIG. 1 in the method of rotationally driving the platen rollers 6 and 8. That is, the conventional double-sided thermal printing device ρ(
In FIG. 1), platen rollers 6 and 8 are rotationally driven by separate pulse motors 12 and 13, respectively.
In this embodiment, the platen rollers 6 and 8 are commonly driven by a pulse motor 14. That is, in this embodiment, the idle pulley 15 is provided near the right side of the platen roller 8, and the pulse motor 14. platen row 26. A belt 14a is stretched around the idle pulley 15 (b), and the outer surface of the belt 14a is configured to abut against the platen roller 8. As a result, the platen rollers 6 and 8 are commonly driven by the pulse motor 14.

次に、第3図は上述した本実施例の制御装置の構成を示
すブロック図であり、図において21はCPU (中央
処理装置it)であり、上述したサーマルヘッド5,7
、パルスモータ11 、14ヲfttllHするもので
ある。すなわち、表in+印刷用サーマルヘッド5は、
表面印刷用バッファメモリ22、データ転送ゲート回路
23、ヘッドドライバ24を介して0PU21から印刷
データを供給され、裏面印刷用サーマルヘッド7は、裏
面印刷用バックアメモリ25、データ転送ゲート回路2
6、ヘッドドライバ27を介して0PU21から印刷デ
ータを供給され、パルスモータ11は送シロール用モー
タ制御回路28、モータドライバ29を介してC!PU
21に駆動・停止制御され、パルスモータ14はプラテ
ンローラ用モータ制御回路30、モータドライバ31を
介して0PU21に駆動・停止制御される。そして上記
の印刷データの供給のタイミングおよびパルスモータ1
1,14の駆動・停止のタイミングはいずれもCPU2
1によってコントロールサレル。
Next, FIG. 3 is a block diagram showing the configuration of the control device of this embodiment described above. In the figure, 21 is a CPU (central processing unit IT), and the thermal heads 5, 7 described above are
, pulse motors 11 and 14. In other words, the front in+ printing thermal head 5 is
Print data is supplied from the 0PU 21 via the buffer memory 22 for front side printing, the data transfer gate circuit 23, and the head driver 24, and the thermal head 7 for back side printing is supplied with the print data via the buffer memory 22 for back side printing, the data transfer gate circuit 25, and the data transfer gate circuit 2.
6. Print data is supplied from the 0PU 21 via the head driver 27, and the pulse motor 11 receives the C! P.U.
The pulse motor 14 is controlled to be driven and stopped by the 0PU 21 via the platen roller motor control circuit 30 and the motor driver 31. and the timing of supplying the above print data and the pulse motor 1.
1 and 14 are both driven and stopped by CPU2.
Controlled by 1.

次に、第4図に基づき本実施例の動作を説明する。第4
図(イ)〜に)は本実施例における印刷過程の各ステッ
プを示す図でおり、これらの制御は上述した制御装置に
よって行われる。まず、同図(イ)に示すように、用紙
1の先端1aが表面印刷用サーマルヘッド5とプラテン
ローラ6とが形成する間隙に搬送され、先端1aとカッ
タ4との距離が所定長になると(用紙1の搬送位置は、
各ローラを回転駆動するパルスモータ11,14へのパ
ルス供給数によって0PU21が判断する)、CPU2
1はカッタ4を駆動して用紙1を切断する。そして、0
PU21は、表面印刷用サーマルヘッド5に1ドツトラ
イン印刷さげると、パルスモータ14にパルスを供給し
てプラテンローラ6を1ステップ回転させるという制御
サイクルを繰返して、表面印刷を行う。この除、パルス
モータ14によって、プラテンローラ6と8とが同期し
て回転する。そして、(口」図(ロ)に示すように、用
紙10光端1aが層面印刷用サーマルヘッド7とプラテ
ンロー28とが形成する間隙に到達すると、用紙1はプ
ラテンローラ8によって右方向に搬送され、用紙lが所
定の位置に米ると上記と同様にして裏面印刷が行われる
。すなわち、0PU21は、裏面印刷用サーマルヘッド
7に1ドツトライン印刷さ亡ると、パルスモータ14に
パルスを供給してプラテンローラ8を1ステップ回転さ
?るという制御サイクルを繰返して裏面印刷を行う。こ
うして、第4図(−1に示すように、裏面印刷が終了す
ると、0PU21は排出ローラ9を駆動して両面印刷さ
れた用紙lを外部へ排出する。次に、O′P U 21
は第4図に)に示すように、パルスモータ11を駆動し
て送りロー23を回転させ、用紙1を右方向に氷送する
。ぞして用紙lの先端1aが表面印刷用サーマルヘッド
5とプラテンローラ6との間隙に達すると、C!PU2
1はパルスモータ14を駆動してプラテンローラ6を回
転し、先端1aとカッタ4との距離が所定長となる箇所
まで用紙1を似送する。このlil、apUzlはパル
スモータ11と14とを回期さ亡て制御する。こうして
、1回の印刷過程が終了する。そして、2回目以後の印
刷も第4図の(イ)〜に)のステップを繰返して行われ
る。
Next, the operation of this embodiment will be explained based on FIG. Fourth
Figures (A) to (B) are diagrams showing each step of the printing process in this embodiment, and these controls are performed by the above-mentioned control device. First, as shown in the same figure (a), the leading edge 1a of the paper 1 is conveyed to the gap formed by the thermal head 5 for front side printing and the platen roller 6, and when the distance between the leading edge 1a and the cutter 4 reaches a predetermined length. (The transport position of paper 1 is
0PU21 judges based on the number of pulses supplied to the pulse motors 11 and 14 that rotationally drive each roller), CPU2
1 drives the cutter 4 to cut the paper 1. And 0
When the PU 21 prints one dot line on the front surface printing thermal head 5, the PU 21 repeats the control cycle of supplying a pulse to the pulse motor 14 to rotate the platen roller 6 by one step, thereby performing front surface printing. Apart from this, the platen rollers 6 and 8 are rotated synchronously by the pulse motor 14. Then, as shown in FIG. , when the paper l is placed in a predetermined position, printing on the back side is performed in the same manner as described above.In other words, when the 0PU 21 prints one dot line on the thermal head 7 for printing on the back side, it supplies pulses to the pulse motor 14. The back side printing is performed by repeating the control cycle of rotating the platen roller 8 by one step.In this way, as shown in FIG. The paper l with double-sided printing is ejected to the outside. Next, O'P U 21
As shown in FIG. 4), the pulse motor 11 is driven to rotate the feed row 23 to ice-feed the paper 1 to the right. When the leading edge 1a of the paper l reaches the gap between the front surface printing thermal head 5 and the platen roller 6, C! PU2
1 drives the pulse motor 14 to rotate the platen roller 6, and simultaneously feeds the paper 1 to a point where the distance between the leading edge 1a and the cutter 4 is a predetermined length. These lil and apUzl control the pulse motors 11 and 14 in rotation. In this way, one printing process is completed. The steps (a) to (a) in FIG. 4 are repeated for the second and subsequent printings.

なお、本実施例においては、送りローラ3、プラテンロ
ー26,8の駆動手段としてパルスモー 4゜り11,
14を用いたが、要は、用紙1の送り量がわかる駆動手
段ならばよく、例えばリバーシブルモータとパルスジェ
ネレータとの併用等、公知の技術で代用することも可能
である。また、上記実施例においては、用紙lをカッタ
4で切断してから表面印刷を開始したけれども、カッタ
4と赤面印刷用サーマルヘッド5の取付間隔が短い場合
は、パルスモータ11,14を同期駆動して、用紙1の
元端1aとカッタ4との距離が所定距離になるまで表面
印刷し、その時点で用紙1をカッタ4で切断し、再び表
面印刷を続けるようにすればよい。
In this embodiment, a pulse motor 4° 11,
14 was used, but in short, any driving means that can determine the amount of feed of the paper 1 is sufficient, and it is also possible to use a known technique instead, such as a combination of a reversible motor and a pulse generator. In addition, in the above embodiment, although surface printing is started after cutting the paper l with the cutter 4, if the mounting interval between the cutter 4 and the red printing thermal head 5 is short, the pulse motors 11 and 14 are driven synchronously. Then, the surface printing may be performed until the distance between the base end 1a of the paper 1 and the cutter 4 reaches a predetermined distance, and at that point, the paper 1 is cut by the cutter 4, and the surface printing may be continued again.

以上説明したように、この発明は、表面印刷用プラテン
ローラと裏面印刷用プラテンローラとを11固のパルス
モータで駆動するので、パルスモータ、モータドライバ
およびモータ制御回路を部域できる利点が得られる。ま
た表面印刷用プラテンローラと共面印刷用プラテンロー
ラの同期が容易にとれる利点が得られる。
As explained above, in this invention, since the platen roller for front side printing and the platen roller for back side printing are driven by an 11-speed pulse motor, there is an advantage that the pulse motor, motor driver, and motor control circuit can be used in one area. . Further, there is an advantage that the front-side printing platen roller and the co-surface printing platen roller can be easily synchronized.

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

第1図は従来の両面サーマル印刷装置の構成を示す概略
図、第2図は本発明の一束施例の構成を示す概略図、第
3図は同実施例の制御装置の構成を示すブロック図、第
4図は同実施例における印刷過程の各ステップを説明す
るだめの図である。 5・・・表面印刷用サーマルヘッド、6・・・表面印刷
用プラテンローラ、7・・・裏面印刷用サーマルヘッド
、8・・・裏面印刷用プラテンローラ、14・・・パル
スモータ(駆動手段)。 出願人神鋼電機株式会社 第1図
FIG. 1 is a schematic diagram showing the configuration of a conventional double-sided thermal printing device, FIG. 2 is a schematic diagram showing the configuration of a bundle embodiment of the present invention, and FIG. 3 is a block diagram showing the configuration of a control device of the same embodiment. 4 are diagrams for explaining each step of the printing process in the same embodiment. 5... Thermal head for front side printing, 6... Platen roller for front side printing, 7... Thermal head for back side printing, 8... Platen roller for back side printing, 14... Pulse motor (driving means) . Applicant Shinko Electric Co., Ltd. Figure 1

Claims (1)

【特許請求の範囲】[Claims] 衣IAi印刷用のサーマルヘッドおよびプラテンローラ
と裏面印刷用のサーマルヘッドおよびプラテンローラと
を具備する両面サーマル印刷装装置において、前記表面
印刷用のプラテンローラと前記具面印価用のプラテンロ
ーラとを1個の駆動手段で共通に回転駆動するように構
成したことを特徴とする両面サーマル印刷装置。
In a double-sided thermal printing device comprising a thermal head and a platen roller for IAi printing, and a thermal head and a platen roller for back side printing, the platen roller for front side printing and the platen roller for side printing price are arranged. A double-sided thermal printing device characterized in that it is configured to be commonly rotated by one driving means.
JP17869182A 1982-10-12 1982-10-12 Double side thermal printer Granted JPS5968273A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17869182A JPS5968273A (en) 1982-10-12 1982-10-12 Double side thermal printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17869182A JPS5968273A (en) 1982-10-12 1982-10-12 Double side thermal printer

Publications (2)

Publication Number Publication Date
JPS5968273A true JPS5968273A (en) 1984-04-18
JPH0257509B2 JPH0257509B2 (en) 1990-12-05

Family

ID=16052858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17869182A Granted JPS5968273A (en) 1982-10-12 1982-10-12 Double side thermal printer

Country Status (1)

Country Link
JP (1) JPS5968273A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01231083A (en) * 1988-01-22 1989-09-14 Electronique Serge Dassault Printing method and apparatus for label, especially for luggage label for airfreighting and luggage label
EP0700788A2 (en) * 1994-08-26 1996-03-13 Ko-Pack Corporation Apparatus for printing characters onto both surfaces of a sheet material
EP0947340A3 (en) * 1998-04-02 2000-04-12 Nec Corporation Both faces print station
JP2003094698A (en) * 2001-09-25 2003-04-03 Ricoh Co Ltd Thermal activating device for thermal recording material having thermosensitive adhesive material layer on back face
US20110018954A1 (en) * 2006-06-29 2011-01-27 Toshiba Tec Kabushiki Kaisha Printing apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346813A (en) * 1976-10-06 1978-04-26 Hitachi Seiko Kk Multiple drum printer
JPS5529280U (en) * 1978-08-17 1980-02-26
JPS56115279A (en) * 1980-02-18 1981-09-10 Oki Electric Ind Co Ltd Heat-sensitive transfer type polychromatic recorder
JPS5769071A (en) * 1980-10-17 1982-04-27 Fuji Xerox Co Ltd Duplex recorder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5184410A (en) * 1975-01-22 1976-07-23 Mitsubishi Heavy Ind Ltd ATSURYOKUHENKANSOCHI

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346813A (en) * 1976-10-06 1978-04-26 Hitachi Seiko Kk Multiple drum printer
JPS5529280U (en) * 1978-08-17 1980-02-26
JPS56115279A (en) * 1980-02-18 1981-09-10 Oki Electric Ind Co Ltd Heat-sensitive transfer type polychromatic recorder
JPS5769071A (en) * 1980-10-17 1982-04-27 Fuji Xerox Co Ltd Duplex recorder

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01231083A (en) * 1988-01-22 1989-09-14 Electronique Serge Dassault Printing method and apparatus for label, especially for luggage label for airfreighting and luggage label
EP0700788A2 (en) * 1994-08-26 1996-03-13 Ko-Pack Corporation Apparatus for printing characters onto both surfaces of a sheet material
EP0947340A3 (en) * 1998-04-02 2000-04-12 Nec Corporation Both faces print station
JP2003094698A (en) * 2001-09-25 2003-04-03 Ricoh Co Ltd Thermal activating device for thermal recording material having thermosensitive adhesive material layer on back face
US20110018954A1 (en) * 2006-06-29 2011-01-27 Toshiba Tec Kabushiki Kaisha Printing apparatus
US8506188B2 (en) 2006-06-29 2013-08-13 Toshiba Tec Kabushiki Kaisha Printing apparatus including plural printheads and a drive mechanism for the platen rollers
US8506187B2 (en) 2006-06-29 2013-08-13 Toshiba Tec Kabushiki Kaisha Printing apparatus including plural printheads and a drive mechanism for the platen rollers
US8506189B2 (en) 2006-06-29 2013-08-13 Toshiba Tec Kabushiki Kaisha Printing apparatus including plural printheads and a drive mechanism for the platen rollers
US8529143B2 (en) 2006-06-29 2013-09-10 Toshiba Tec Kabushiki Kaisha Printing apparatus including plural printheads and a drive mechanism for the platen rollers
US8616792B2 (en) 2006-06-29 2013-12-31 Toshiba Tec Kabushiki Kaisha Printing apparatus including plural printheads and a pinch roller arrangement

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JPH0257509B2 (en) 1990-12-05

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