KR100334322B1 - Apparatus for film-residual of thermal printer - Google Patents
Apparatus for film-residual of thermal printer Download PDFInfo
- Publication number
- KR100334322B1 KR100334322B1 KR1019990041026A KR19990041026A KR100334322B1 KR 100334322 B1 KR100334322 B1 KR 100334322B1 KR 1019990041026 A KR1019990041026 A KR 1019990041026A KR 19990041026 A KR19990041026 A KR 19990041026A KR 100334322 B1 KR100334322 B1 KR 100334322B1
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- South Korea
- Prior art keywords
- film
- remaining amount
- printing
- amount information
- thermal transfer
- Prior art date
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Classifications
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- 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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/009—Detecting type of paper, e.g. by automatic reading of a code that is printed on a paper package or on a paper roll or by sensing the grade of translucency of the paper
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- 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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
- B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
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- 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
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04558—Control methods or devices therefor, e.g. driver circuits, control circuits detecting presence or properties of a dot on paper
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- 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
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17543—Cartridge presence detection or type identification
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- 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
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- 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
- B41J2/325—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 by selective transfer of ink from ink carrier, e.g. from ink ribbon or sheet
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Electronic Switches (AREA)
Abstract
본 발명은 열전사 필름을 이용하여 데이터를 인쇄하는 열전사 인쇄기기에서 필름이 감겨있는 롤러의 회전속도를 근거로 열전사 필름의 잔류량을 검출하여 필름잔류량정보를 표시할 수 있도록 된 열전사 인쇄기기의 필름잔류량검출장치에 관한 것으로서, 스텝모터의 구동에 의해 기록지가 이송되고, 필름의 인쇄물질에 소정의 데이터를 인자하여 상기 기록지에 데이터를 인쇄함과 더불어, 상기 필름을 감기 위한 롤러의 내주연을 따라 일정 간격으로 홀이 형성된 홀더와 이 홀더의 홀을 통해 동작되는 광센서를 설치하여 롤러에 감긴 필름의 잔류량에 대응되는 소정 주기의 검출신호를 발생하는 인쇄수단과, 스텝모터의 구동스텝수에 대응되는 필름잔류량정보를 저장하기 위한 필름잔류량정보저장수단, 필름잔류량정보를 표시출력하기 위한 표시수단 및, 상기 인쇄수단으로부터 인가되는 검출신호를 근거로 한 주기 동안의 스텝모터 구동 스텝수를 계수하고, 계수된 한 주기의 구동 스텝수를 근거로 상기 필름잔류량정보저장수단에 저장된 필름잔류량정보를 검색한 후, 검색된 필름잔류량정보를 상기 표시수단을 통해 표시출력하도록 제어하는 제어수단을 포함하여 구성되는 것을 특징으로 한다.According to the present invention, a thermal transfer printing apparatus capable of displaying a film remaining amount information by detecting a residual amount of a thermal transfer film based on a rotational speed of a roller on which a film is wound in a thermal transfer printing apparatus for printing data using a thermal transfer film. An apparatus for detecting a film remaining amount of a film, comprising: recording paper being conveyed by driving a step motor, printing predetermined data on a printing material of a film, printing data on the recording paper, and an inner peripheral edge of a roller for winding the film; Printing means for generating a predetermined period of detection signal corresponding to the remaining amount of the film wound on the roller by installing a holder having holes formed at regular intervals along with an optical sensor operated through the holes of the holder, and the number of driving steps of the step motor Film remaining amount information storing means for storing film remaining amount information corresponding to the display means, display means for displaying and displaying film remaining amount information And counting the number of step motor driving steps during the period based on the detection signal applied from the printing means, and retrieving the film remaining amount information stored in the film remaining amount information storing means based on the counted one-step driving step number. Then, it characterized in that it comprises a control means for controlling to display and output the retrieved film residual amount information through the display means.
Description
본 발명은 열전사 인쇄기기에 관한 것으로, 특히 열전사 필름을 이용하여 데이터를 인쇄하는 열전사 인쇄기기에서 필름이 감겨있는 롤러의 회전속도를 근거로 열전사 필름의 잔류량을 검출하여 필름잔류량정보를 표시할 수 있도록 된 열전사 인쇄기기의 필름잔류량검출장치에 관한 것이다.The present invention relates to a thermal transfer printing machine, and in particular, in a thermal transfer printing apparatus which prints data using a thermal transfer film, the remaining amount of the thermal transfer film is detected based on the rotational speed of the roller on which the film is wound, and the film remaining amount information The present invention relates to a film residual amount detection device of a thermal transfer printing machine that can be displayed.
일반적으로 열전사 기기는 감열 인쇄 방식 기기, 예컨대 감열 팩시밀리나 은행 대기표 발매기 등과 같이 열을 가하여 데이터를 기록하는 인쇄기기로서, 레이저 인쇄방식 기기의 경우에는 토너가 사용되고, 잉크 인쇄방식 기기의 경우에는 잉크가 사용되는 것과 같이, 열전사 인쇄방식기기에는 열전사 필름이 사용되게 된다.In general, a thermal transfer machine is a thermal printing machine, such as a thermal fax machine or a bank waiting machine, to heat and record data. A toner is used for a laser printing machine and an ink for an ink printing machine. As is used, a thermal transfer film is used in a thermal transfer printing apparatus.
한편, 상기한 열전사 인쇄방식은 열전사헤드(TPH : Thermal Printing Head)를 사용하여 필름의 인쇄물질에 열을 가함으로써, 소정의 데이터를 기록지에 융착/압착시켜 인쇄하는 방식이다.On the other hand, the thermal transfer printing method is a method of printing by fusion / compression of predetermined data on the recording paper by applying heat to the printing material of the film using a thermal printing head (TPH).
이때, 열전사 인쇄방식에서 사용되는 필름은 인쇄시에 사용되는 소모품으로, 필름이 소진되는 경우에는 데이터의 인쇄동작이 중단되게 되므로, 열전사 인쇄기기는 필름의 잔류량을 미리 인식하여 데이터의 인쇄동작이 중단되게 되는 것을 방지할 필요가 있게 된다.In this case, the film used in the thermal transfer printing method is a consumable used in printing, and when the film is exhausted, the printing operation of the data is stopped. Therefore, the thermal transfer printing apparatus recognizes the remaining amount of the film in advance and prints the data. It is necessary to prevent this from being interrupted.
이에, 종래에는 필름의 소진여부나 잔류량을 검출하기 위하여,Thus, conventionally, in order to detect whether the film is exhausted or the residual amount,
(1) 필름의 일정 잔류 부분에 반사형 센서를 앤드마크(end mark)로서 구성하여 이 앤드마크를 검출함으로써 필름의 소모여부를 검출하도록 하는 방법과,(1) a method in which a reflective sensor is formed as an end mark on a certain residual portion of the film to detect whether or not the film is consumed by detecting the end mark;
(2)필름의 일정 잔류량 부분을 투명물질로 구성하고, 이 투명물질을 검출함으로써, 필름의 소모여부를 검출하도록 하는 방법 및,(2) a method in which a certain residual amount of the film is made of a transparent material and the film is detected by detecting the transparent material;
(3) 소정의 레버(lever)를 필름을 감기위한 롤(roll)에 부착하여 잔류 필름이 소진됨에 따라 레버가 중력에 의하여 내려가도록 구성하고, 이 레버의 위치변화를 근거로 필름의 소모여부를 검출하도록 하는 방법이 적용되어 이용되고 있다.(3) A predetermined lever is attached to a roll for winding the film so that the lever is lowered by gravity as the residual film is exhausted, and the film is consumed based on the change in the position of the lever. A method for detecting is applied and used.
그러나, 상기 반사형 센서를 구비하는 제 1방법과 필름의 일정 잔류량 부분을 투명물질로 구성하는 제 2방법의 경우에는 연속적인 잔류량의 검출이 어려우며, 종래 일반적인 필름을 사용하지 못하여 특수제작된 고가의 필름을 이용해야 하는 문제가 있게 된다.However, in the case of the first method including the reflective sensor and the second method in which a certain residual amount of the film is made of a transparent material, continuous residual amount is difficult to detect, and a specially manufactured expensive film cannot be used conventionally. There is a problem of using a film.
또한, 레버를 필름 롤에 부착하는 제 3방법은, 연속적인 잔류량은 검출할 수있으나, 열전사 인쇄기기의 전반적인 동작을 제어하는 제어수단에서의 레버위치 검출이 어려우며, 이에 따라 필름잔류량에 대한 표시 정밀도가 낮아지게 된다는 문제가 있게 된다.Also, in the third method of attaching the lever to the film roll, the continuous residual amount can be detected, but it is difficult to detect the lever position in the control means for controlling the overall operation of the thermal transfer printing machine, and thus the indication of the film remaining amount There is a problem that the precision is lowered.
이에, 본 발명은 열전사 인쇄기기에서 인쇄필름의 잔류량을 연속적으로 검출할 수 있고, 일반적으로 사용되는 열전사 필름을 그대로 이용할 수 있으며, 필름잔류량에 대한 표시정밀도가 양호한 열전사 인쇄기기의 필름 잔류량 검출장치를 제공함에 그 목적이 있다.Thus, the present invention can continuously detect the residual amount of the print film in the thermal transfer printing machine, it is possible to use the thermal transfer film generally used as it is, the film residual amount of the thermal transfer printing machine having a good display accuracy with respect to the remaining film The object is to provide a detection device.
도1은 본 발명의 1실시예에 따른 열전사 인쇄기기의 요부구성을 개략적으로 나타낸 블록구성도.1 is a block diagram schematically showing the main components of a thermal transfer printing machine according to one embodiment of the present invention;
도2는 도1에 도시된 인쇄부(2)에서 열전사기록부(2c)의 구성을 나타낸 도면.FIG. 2 is a diagram showing the configuration of the thermal transfer recording section 2c in the printing section 2 shown in FIG.
도3은 도1에 도시된 장치의 동작을 설명하기 위한 동작 플로우챠트.3 is an operation flowchart for explaining the operation of the apparatus shown in FIG.
*** 도면의 주요 부분에 대한 부호의 설명 ****** Explanation of symbols for the main parts of the drawing ***
1 : 판독부, 2 : 인쇄부,1: reading unit, 2: printing unit,
2a : 스텝모터, 2b : 모터구동부,2a: step motor, 2b: motor drive part,
2c : 열전사기록부, 3 : 제어부,2c: thermal transfer recorder, 3: control unit,
4 : 프로그램저장부, 5 : 필름잔류량정보저장부,4: program storage, 5: film remaining information storage,
6 : 표시부.6: Display part.
상기 목적을 달성하기 위한 본 발명에 따른 열전사 인쇄기기의 필름 잔류량 검출장치는, 스텝모터의 구동에 의해 기록지가 이송되고, 필름의 인쇄물질에 소정의 데이터를 인자하여 상기 기록지에 데이터를 인쇄함과 더불어, 상기 필름을 감기 위한 롤러의 내주연을 따라 일정 간격으로 홀이 형성된 홀더와 이 홀더의 홀을 통해 동작되는 광센서를 설치하여 롤러에 감긴 필름의 잔류량에 대응되는 소정 주기의 검출신호를 발생하는 인쇄수단과, 스텝모터의 구동스텝수에 대응되는 필름잔류량정보를 저장하기 위한 필름잔류량정보저장수단, 필름잔류량정보를 표시출력하기 위한 표시수단 및, 상기 인쇄수단으로부터 인가되는 검출신호를 근거로 한 주기 동안의 스텝모터 구동 스텝수를 계수하고, 계수된 한 주기의 구동 스텝수를 근거로 상기 필름잔류량정보저장수단에 저장된 필름잔류량정보를 검색한 후, 검색된 필름잔류량정보를 상기 표시수단을 통해 표시출력하도록 제어하는 제어수단을 포함하여 구성되는 것을 특징으로 한다.In the film residual amount detection apparatus of the thermal transfer printing apparatus according to the present invention for achieving the above object, the recording paper is transferred by the driving of the step motor, and prints the data on the recording paper by printing predetermined data on the printing material of the film. In addition, a holder having holes formed at regular intervals along the inner circumference of the roller for winding the film and an optical sensor operated through the holes of the holder are installed to detect detection signals of a predetermined period corresponding to the remaining amount of the film wound on the roller. On the basis of the printing means generated, the film remaining amount information storing means for storing film remaining amount information corresponding to the number of driving steps of the step motor, the display means for displaying and displaying the film remaining amount information, and the detection signal applied from the printing means. The number of step motor driving steps for one cycle is counted, and the film remaining amount is based on the counted number of driving steps in one cycle. And retrieving the film residual amount information stored in the information storage means, and controlling the display means to display and output the retrieved film residual amount information through the display means.
즉, 상기한 바에 의하면, 일반 열전사필름을 이용하여 간단한 구성으로 열전사 인쇄기기에서 연속적인 필름잔류량을 검출할 수 있게 될 뿐 아니라, 필름 잔류량정보를 표시수단을 통해 표시하도록 함으로써, 사용자가 용이하게 필름 잔류량을 인식하여 필름의 소진으로 인해 데이터를 인쇄하지 못하게 되는 문제를 방지할 수 있게 된다.That is, according to the above, it is not only possible to detect the continuous film remaining amount in the thermal transfer printing apparatus with a simple configuration by using the general thermal transfer film, but also to display the film remaining amount information through the display means, so that the user can easily By recognizing the remaining amount of film, it is possible to prevent the problem that the data cannot be printed due to the exhaustion of the film.
이어, 첨부한 도면을 참조하여 본 발명에 따른 실시예를 설명한다.Next, an embodiment according to the present invention will be described with reference to the accompanying drawings.
도1은 본 발명의 1실시예에 따른 열전사 인쇄기기의 요부구성을 개략적으로 나타낸 블록구성도이다.Fig. 1 is a block diagram schematically showing the main parts of a thermal transfer printing machine according to an embodiment of the present invention.
도1에서, 참조번호 1은 원고에 기록되어 있는 내용을 판독하여 이를 전기적인 신호로 변환하는 판독부이고, 2는 이미지 데이터를 기록지에 프린트하는 인쇄부로서, 이는 기록지가 감겨있는 롤(도시되지 않음)을 움직이는 스텝모터(2a)와, 이 스텝모터(2b)를 구동하기 위한 모터구동부(2b) 및, 열전사헤드(TPH)와 필름의 인쇄물질을 통해 고온에 의해 데이터 내용을 기록지에 인자하고, 데이터 내용을 기록지에 인자함에 따라 소모되는 필름의 잔류량에 대한 소정의 검출신호를 생성하는 열전사기록부(2c)를 포함하여 구성된다.In Fig. 1, reference numeral 1 is a reading unit that reads the contents recorded on the document and converts them into electrical signals, and 2 is a printing unit which prints image data on the recording paper, which is a roll on which the recording paper is wound (not shown). The data content is recorded on the recording sheet by a high temperature through the step motor 2a for moving the step motor 2a, the motor driving part 2b for driving the step motor 2b, and the thermal transfer head TPH and the printing material of the film. And a thermal transfer recording section 2c which generates a predetermined detection signal for the remaining amount of the film consumed as the data contents are printed on the recording paper.
또한, 참조번호 3은 시스템의 각 블록을 통제, 조정하여 장치 전반의 동작을 제어하는 제어부로서, 이는 상기 인쇄부(2)의 스텝모터(2a)의 구동 스텝수를 계수하여, 이 구동 스텝수정보와 상기 인쇄부(2)의 열전사기록부(2c)로부터 인가되는 필름잔류량 검출신호를 근거로 상기 이후에 설명할 필름잔류량정보저장부(5)에 저장된 검출정보를 독출하여 표시부(6)를 통해 잔류량정보를 출력하도록 제어하게 된다.Further, reference numeral 3 denotes a control unit which controls and adjusts each block of the system to control the operation of the apparatus as a whole, which counts the driving step number of the step motor 2a of the printing unit 2, and this driving step number On the basis of the information and the film remaining amount detection signal applied from the thermal transfer recording section 2c of the printing section 2, the display section 6 is read by reading the detected information stored in the film remaining amount information storing section 5 to be described later. It is controlled to output the remaining amount information through.
한편, 참조번호 4는 상기 제어부(3)에 의한 데이터의 열전사 인쇄동작 등의 각종 기능 및 동작을 제어하기 위한 프로그램이 저장되는 프로그램저장부이고, 5는 상기 인쇄부(2)에서 스텝모터(2a)의 구동 스텝수에 따른 필름잔류량에 해당하는 정보를 저장하기 위한 필름잔류량정보저장부, 6은 열전사 인쇄기기의 동작상태, 특히 필름잔류량정보를 표시하기 위한 표시부이다.On the other hand, reference numeral 4 is a program storage unit for storing a program for controlling various functions and operations, such as thermal transfer printing operation of the data by the control unit 3, 5 is a step motor (2) in the printing unit (2); A film remaining amount information storing unit for storing information corresponding to the film remaining amount according to the number of driving steps of 2a), and 6 is a display unit for displaying the operating state of the thermal transfer printing machine, in particular, the film remaining amount information.
한편, 도2는 도1에 도시된 인쇄부(2)에서 열전사기록부(2c)의 내부구성을 나타낸 도면이다.2 is a diagram showing the internal structure of the thermal transfer recording section 2c in the printing section 2 shown in FIG.
즉, 도2에 도시된 바와 같이, 상기 열전사기록부(2c)는 제 1롤러(30)와 제 2롤러(31)가 소정 간격을 두고 설치되고, 제 1롤러(30)와 제 2롤러(31)간은 필름(302)을 통해 연결되게 되는데, 스텝모터(2a)의 구동에 따라 소정의 속도로 제 1롤러(30)에 감긴 필름(302)이 풀려 제 2롤러(31)에 감겨지도록 구성된다.That is, as shown in Fig. 2, the thermal transfer recording unit 2c is provided with a first roller 30 and a second roller 31 at predetermined intervals, and the first roller 30 and the second roller ( 31 is connected through the film 302, so that the film 302 wound on the first roller 30 at a predetermined speed is released to be wound on the second roller 31 according to the driving of the step motor 2a. It is composed.
여기서, 상기 제 1롤러(30)는 필름(302)을 감기 위한 필름코어(301)와, 이 필름코어(301)에 감긴 필름(302)의 틀을 잡아주기 위한 홀더(303)로 구성되며, 이 홀더(303)의 내주연에는 일정 간격으로 소정의 홀(hole)이 형성되어 구성되게 된다.Here, the first roller 30 is composed of a film core 301 for winding the film 302, and a holder 303 for holding the frame of the film 302 wound on the film core 301, In the inner circumference of the holder 303, predetermined holes are formed at regular intervals.
한편, 상기 제 1롤러(30)의 홀더(303)에서 그 양측으로 소정 간격 떨어진 부분에는 발광소자(32)와 수광소자(33)를 구비하되, 이 발광소자(32)와 수광소자(33)는 홀더(303)의 홀(304)의 양측에 대응되도록 설치하여, 홀더(303)의 홀(304)을 통해 발광소자(32)로부터 발생되는 광이 수광소자(33)에 의해 수신되도록 구성되게 된다.On the other hand, the light emitting element 32 and the light receiving element 33 are provided at portions spaced apart from both sides of the holder 303 of the first roller 30 by the light emitting element 32 and the light receiving element 33. Is installed to correspond to both sides of the hole 304 of the holder 303, so that the light generated from the light emitting element 32 through the hole 304 of the holder 303 is configured to be received by the light receiving element 33 do.
또한, 제1롤러(30)와 제 2롤러(31) 사이에는 기록지(36)에 소정의 데이터를 열전사 방식으로 인쇄하기 위한 드럼(34)과 열전사헤드(35)가 제 1롤러(30)와 제 2롤러(31)간에 존재하는 필름(302)의 양측에 각각 대응되도록 구성되게 된다.In addition, between the first roller 30 and the second roller 31, a drum 34 and a thermal transfer head 35 for printing predetermined data on the recording paper 36 in a thermal transfer method are provided. ) And corresponding to both sides of the film 302 existing between the second roller 31.
이어, 도1의 구성으로 된 장치의 동작을 도3에 도시된 플로우챠트를 참조하여 설명한다.Next, the operation of the apparatus having the configuration of FIG. 1 will be described with reference to the flowchart shown in FIG.
통상의 대기상태에서 인쇄할 소정의 데이터가 수신되게 되면(ST1), 제어부(3)는 인쇄부(2)를 제어하여 인쇄동작 수행에 따른 제어를 수행하게 되는 바(ST2), 그 과정은 다음과 같다.When predetermined data to be printed is received in the normal standby state (ST1), the control unit 3 controls the printing unit 2 to perform control according to the printing operation (ST2). Same as
즉, 인쇄부(2)에서는 제어부(3)로부터 인가되는 제어신호에 의해 스텝모터(2a)가 구동되고, 이에 따라 드럼(34)이 일정한 속도로 회전하게 되면서 기록지를 안내함과 더불어 제 1롤러(30)에 감긴 필름을 일정한 선속도(V0)로 풀게 되는 바, 제 1롤러(30)로부터 풀려진 필름은 드럼(34)에 의해 안내되어 제 2롤러(31)에 감겨지게 된다. 이때, 제 1롤러(30)에 감긴 필름이 풀려짐에 따라 제 1롤러(30)에 감겨 있는 필름의 반경(r)은 작아지게 되고, 홀더(303)의 회전 각속도(ω)는 증가하게 된다. 즉, 필름이 풀려지게 됨에 따라 제 1롤러(30)의 홀더(303) 회전 속도가 빨라지게 된다. 그리고, 제 1롤러(30)의 홀더(303) 외측 양단에 설치된 발광소자(32)로부터 발생되는 광이 제 1롤러(301)의 홀더(303)에 형성된 홀(304)을 통해 수광소자(33)로 수신되게 되는 바, 수광소자(33)의 발광소자(32)로부터 발생되는 광의 수신여부에 따라 소정의 주기를 갖는 출력전압변환신호를 생성하게 된다.That is, in the printing section 2, the step motor 2a is driven by the control signal applied from the control section 3, and thus the drum 34 rotates at a constant speed, thereby guiding the recording paper and the first roller. When the film wound on 30 is unwound at a constant linear velocity V 0 , the film unwound from the first roller 30 is guided by the drum 34 and wound on the second roller 31. At this time, as the film wound on the first roller 30 is released, the radius r of the film wound on the first roller 30 becomes small, and the rotational angular velocity ω of the holder 303 increases. . That is, as the film is released, the rotation speed of the holder 303 of the first roller 30 is increased. Then, light generated from the light emitting element 32 provided at both ends of the holder 303 outside of the first roller 30 passes through the hole 304 formed in the holder 303 of the first roller 301. As a result, the output voltage conversion signal having a predetermined period is generated according to whether the light generated from the light emitting element 32 of the light receiving element 33 is received.
다시 말하면, 제 1롤러(301)에서 필름이 풀려져 필름잔류량이 적어지게 됨에 따라 홀더(303)의 회전 속도는 빨라지게 되고, 이에 따라 수광소자(33)에서 홀더(303)의 홀(304)을 통해 발광소자(32)의 발생광 수신이 빨라지게 되어, 수광소자(33)에서 생성되는 검출신호의 주기는 점점 짧아지게 되는 바, 이 검출신호주기에 의해 필름이 감겨있는 롤러의 회전속도가 측정되게 된다.In other words, as the film is released from the first roller 301 and the amount of film remaining is reduced, the rotation speed of the holder 303 is increased, and thus, the hole 304 of the holder 303 in the light receiving element 33. Through the reception of the generated light of the light emitting device 32 is faster, the period of the detection signal generated by the light receiving device 33 becomes shorter and shorter, the rotational speed of the roller on which the film is wound by this detection signal period Will be measured.
한편, 도시되지는 않았지만 상기 인쇄부(2)에서 수광소자(33)의 출력단은 제어부(3)와 결합되어 있는 바, 수광소자(33)로부터 생성되는 출력전압변환신호, 즉 검출신호는 제어부(3)로 인가되게 된다.On the other hand, although not shown, the output terminal of the light receiving element 33 in the printing unit 2 is coupled to the control unit 3, the output voltage conversion signal generated from the light receiving element 33, that is, the detection signal is a control unit ( 3) to be applied.
이어, 제어부(3)에서는 인쇄부(2)의 수광소자(33)로부터 인가되는 출력전압의 변화, 즉 검출신호와 인쇄부(2)의 스텝모터(2a) 구동 스텝수를 계수하여 이를 근거로 필름잔류량정보저장부(5)에서 해당 잔류량정보를 검색하게 된다(ST3).Subsequently, the control unit 3 counts the change in the output voltage applied from the light receiving element 33 of the printing unit 2, that is, the detection signal and the number of steps of driving the step motor 2a of the printing unit 2 based on this. The film residual amount information storage unit 5 retrieves the residual amount information (ST3).
즉, 제어부(3)는 인쇄부(2)의 수광소자(33)로부터 인가되는 출력전압의 변화, 예컨대 출력전압이 하이(High)에서 로우(Low)로 변환하는 주기, 또는 로우(Low)에서 하이(High)로 변환하는 주기동안 스텝모터의 스텝수를 계수하고, 계수된 스텝수에 해당하는 필름잔류량 정보를 필름잔류량정보저장부(5)에서 검색하게 된다.That is, the control unit 3 changes the output voltage applied from the light receiving element 33 of the printing unit 2, for example, the period in which the output voltage is changed from high to low, or in low. The number of steps of the step motor is counted during the period of high conversion, and the film remaining amount information storage unit 5 retrieves the film remaining amount information corresponding to the counted step number.
이후, 제어부(3)는 필름잔류량정보저장부(5)에서 검색된 현재의 필름잔류량이 소정치 이하인지를 판단하게 되는 바(ST4), 필름잔류량이 소정치 이하라고 판단되는 경우에는 표시부(6)를 통해 잔류량정보를 표시하도록 제어하게 된다(ST5). 예컨대, 제어부(3)는 필름잔류량이 소정치 이하인 경우에 경고음을 송출하거나, 경고표시부(LED)를 구동시키거나, 또는 '필름교체요망' 등의 문자메시지를 출력하도록 표시부(6)를 제어하게 된다.Thereafter, the controller 3 determines whether the current film residual amount retrieved from the film residual amount information storage unit 5 is less than or equal to the predetermined value (ST4), and if it is determined that the film residual amount is less than or equal to the predetermined value, the display unit 6 is determined. Through the control to display the remaining amount information (ST5). For example, the control unit 3 controls the display unit 6 to send a warning sound, drive a warning display unit LED, or output a text message such as 'film replacement request' when the film residual amount is less than or equal to a predetermined value. do.
즉, 상기한 바에 의하면, 필름을 감기 위한 롤러에 내주연을 따라 일정 간격으로 홀이 형성된 홀더를 구비하고, 이 홀더의 외부에 광센서를 설치하되, 홀더의 홀을 통해 광센서가 구동되도록 구성함으로써, 필름 소모에 의한 광센서의 한 출력 주기 동안의 스텝모터의 구동 스텝수를 계수하여 열전사 인쇄기기의 필름 잔류량을 측정하게 된다.That is, according to the above, it is provided with a holder having holes formed at regular intervals along the inner circumference of the roller for winding the film, and installed an optical sensor on the outside of the holder, the light sensor is configured to be driven through the hole of the holder As a result, the number of driving steps of the step motor during one output period of the optical sensor due to film consumption is counted to measure the film remaining amount of the thermal transfer printing apparatus.
따라서, 간단한 구성으로 열전사 인쇄기기에서 연속적인 필름잔류량을 검출할 수 있게 되며, 기존의 열전사 필름을 그대로 이용할 수 있게 된다.Therefore, it is possible to detect the continuous film residual amount in the thermal transfer printing machine with a simple configuration, it is possible to use the existing thermal transfer film as it is.
또한, 상기 필름 잔류량정보를 표시수단을 통해 표시하도록 함으로써, 사용자가 용이하게 필름 잔류량을 인식하여 필름의 소진으로 인해 데이터를 인쇄하지 못하게 되는 문제를 방지할 수 있게 된다.In addition, by displaying the film residual amount information through the display means, the user can easily recognize the film residual amount to prevent the problem that the data can not be printed due to the exhaustion of the film.
한편, 본 발명은 상기 실시예에 한정되지 않고 본 발명의 기술적 사상을 벗어나지 않는 범위내에서 다양하게 변형 실시할 수 있다.On the other hand, the present invention is not limited to the above embodiments and can be modified in various ways without departing from the technical spirit of the present invention.
즉, 본 발명은 열전사 필름을 이용한 열전사 인쇄기기에 적용하여 실시할 수 있다.That is, the present invention can be applied to a thermal transfer printing apparatus using a thermal transfer film.
또한, 상기 실시예에 있어서는 필름의 잔류량이 일정치 이하인 경우에 표시부를 구동하도록 실시하였으나, 필름 잔류량에 해당하는 정보, 예컨대 필름잔류 퍼센트(%)를 표시하여 계속적으로 필름 잔류량을 표시하도록 실시할 수 있다.In addition, in the above embodiment, the display unit is driven when the remaining amount of the film is equal to or less than a predetermined value, but the film remaining amount may be continuously displayed by displaying information corresponding to the remaining amount of film, for example, the film remaining percentage (%). have.
이상 설명한 바와 같이, 본 발명에 의하면 일반 열전사필름을 이용하여 간단한 구성으로 열전사 인쇄기기에서 연속적인 필름잔류량을 검출할 수 있게 될 뿐 아니라, 필름 잔류량정보를 표시수단을 통해 표시하도록 함으로써, 사용자가 용이하게 필름 잔류량을 인식하여 필름의 소진으로 인해 데이터를 인쇄하지 못하게 되는 문제를 방지할 수 있게 된다.As described above, according to the present invention, not only the continuous film remaining amount can be detected in the thermal transfer printing apparatus using a general thermal transfer film but also the film remaining amount information is displayed through the display means. It is possible to easily recognize the film remaining amount to prevent the problem that the data is not printed due to the exhausted film.
Claims (6)
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS62280063A (en) * | 1986-05-30 | 1987-12-04 | Fuji Xerox Co Ltd | Hand-driven type transfer device |
JPH0224178A (en) * | 1988-07-13 | 1990-01-26 | Dainippon Printing Co Ltd | Transfer film cassette |
JPH0286479A (en) * | 1988-09-22 | 1990-03-27 | Canon Inc | Thermal transfer recorder |
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KR20010028658A (en) | 2001-04-06 |
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