KR940013836A - Video printer device - Google Patents

Video printer device Download PDF

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Publication number
KR940013836A
KR940013836A KR1019920023433A KR920023433A KR940013836A KR 940013836 A KR940013836 A KR 940013836A KR 1019920023433 A KR1019920023433 A KR 1019920023433A KR 920023433 A KR920023433 A KR 920023433A KR 940013836 A KR940013836 A KR 940013836A
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KR
South Korea
Prior art keywords
output
heating element
thermal transfer
transfer head
memory
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Application number
KR1019920023433A
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Korean (ko)
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KR0141118B1 (en
Inventor
곽희국
Original Assignee
윤종용
삼성전자 주식회사
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Priority to KR1019920023433A priority Critical patent/KR0141118B1/en
Publication of KR940013836A publication Critical patent/KR940013836A/en
Application granted granted Critical
Publication of KR0141118B1 publication Critical patent/KR0141118B1/en

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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
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315Typewriters 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
    • B41J2/32Typewriters 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
    • B41J2/335Structure of thermal heads
    • 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
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315Typewriters 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
    • B41J2/32Typewriters 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
    • B41J2/35Typewriters 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
    • B41J2/355Control circuits for heating-element selection

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  • Electronic Switches (AREA)

Abstract

본 발명은 비디오 프린터장치에 관한 것으로, 신호입력원으로부터 화상신호를 유입하여 라인단위로 미리 설정된 계조값과 계조비교후 복수의 발열체로 구성된 열전사헤드(TPH)에 통전인자표현을 행하는 프린터장치에 있어서, 열전사헤드내부에 각 발열체의 편차를 보상하기 위한 저항보정부를 포함함으로써 하드웨어량이 감소하고 열전사헤드를 집적화시켜 원가절감할 수 있는 효과가 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a video printer apparatus, comprising: an image signal input from a signal input source; In this case, the amount of hardware can be reduced and the cost can be reduced by integrating the thermal transfer head by including a resistance correction unit for compensating for the deviation of each heating element in the thermal transfer head.

Description

비디오 프린터장치Video printer device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 제1도에 도시된 중간조변환부의 상세회로도이다.FIG. 2 is a detailed circuit diagram of the intermediate tone conversion unit shown in FIG.

제3도는 전사필름의 감도곡선이다.3 is a sensitivity curve of the transfer film.

제4도는 제1도에 도시된 열전사헤드(TPH)에 흐르는 전류시간과 인자농도와의 관계를 설명하기 위한 도면이다.4 is a view for explaining the relationship between the current time flowing through the thermal transfer head (TPH) and the print concentration shown in FIG.

Claims (5)

신호입력원으로부터 화상신호를 유입하여 라인단위로 미리 설정된 계조값과 계조비교후 복수의 발열체로 구성된 열전사헤드(TPH)에 통전인차표현을 행하는 프린터장치에 있어서 ; 상기 열전사헤드는 상기 각발열체의 편차를 보상하기 위한 저항보상수단을 포함함을 특징으로 하는 비디오 프린터장치.A printer apparatus which flows an image signal from a signal input source and conducts electric current expression to a thermal transfer head (TPH) composed of a plurality of heat generating elements after comparing gray levels preset in line units with gray levels; And the thermal transfer head includes resistance compensation means for compensating for the deviation of each heating element. 신호입력원으로부터 영상신호를 유입하여 라인단위로 미리 설정된 계조값과 계조비교후 복수의 발열체로 구성된 열전사헤드(TPH)에 통전인자표현을 행하는 프린터장치에 있어서, 상기 영상신호를 라인단위로 저장하는 라인메모리 ; 상기 라인메모리의 출력에 대하여 각 발열체의 편차를 보상하여 출력하는 저항보정부, 각 계조데이터를 발생하는 계조레벨발생기, 상기 저항보정부의 출력을 계조레벨발생기의 출력과 계조비교하는 계조비교기, 상기 계조비교기의 출력을 라인분으로 저장하는 시프트레지스터, 상기 시프트레지스터의 출력을 일시 래치하는 래치, 상기 래치의 출력을 발열하는 발열체로 되어 있는 열전사헤드 ; 상기 라인 메모리의 데이터 기입 및 독출을 제어하고, 상기 라인메모리의 출력에 대응한 계조가 보정된 데이터가 출력되도록 상기 저항보정부를 제어하며, 계조별로 발열시간에 해당하는 스트로브신호를 상기 발열체에 출력하는 열전사헤드 제어부를 포함함을 특징으로 하는 비디오 프린터장치.A printer apparatus for inputting an image signal from a signal input source and expressing an energization factor in a thermal transfer head (TPH) composed of a plurality of heat generating elements after comparing a preset gray level value with a line unit, and storing the image signal line by line. Line memory; A resistance compensator for compensating and outputting the deviation of each heating element with respect to the output of the line memory, a gradation level generator for generating respective gradation data, a gradation comparator for comparing the output of the resistance compensation with a gradation level generator, A thermal transfer head comprising a shift register for storing the output of the gradation comparator in lines, a latch for temporarily latching the output of the shift register, and a heating element for generating the output of the latch; Controls data writing and reading of the line memory, and controls the resistance correction unit to output the data whose gray level corresponding to the output of the line memory is corrected, and outputs a strobe signal corresponding to the heating time for each gray level to the heating element. And a thermal transfer head control unit. 제2항에 있어서, 상기 저항보정부는 상기 발열체의 편차에 대하여 상기 계조별로 발열체의 위치에 따라 보상된 계조데이터가 저장되어 있는 메모리 ; 상기 열전사헤드 제어부의 제어하에 상기 라인메모리의 출력에 대응한 계조에 보정데이터가 저장된 상기 발열체의 위치에 해당하는 어드레스신호를 상기 메모리에 출력하는 어드레스발생기를 포함함을 특징으로 하는 비디오 프린터장치.3. The memory device of claim 2, wherein the resistance compensation unit comprises: a memory configured to store gradation data compensated according to the position of the heating element for each of the gradations with respect to the deviation of the heating element; And an address generator for outputting an address signal corresponding to the position of the heating element in which the correction data is stored in the gray scale corresponding to the output of the line memory to the memory under the control of the thermal transfer head controller. 신호입력원으로부터 화상신호를 유입하여 라인단위로 미리 설정된 계조값과 계조비교후 복수의 발열체로 구성된 열전사헤드(TPH)에 통전인자표현을 행하는 프린터장치에 있어서, 상기 화상신호를 라인단위로 저장하는 라인메모리 ; 상기 라인메모리의 출력에 대하여 각 발열체의 편차를 보상하여 출력하는 저항보정부, 상기 저항보정부의 출력을 라인분에 해당하는 데이터를 비트순위로 출력하기 위한 선택스위치, 선택스위치의 출력에 저장하는 시프트레지스터, 상기 시프트레지스터의 출력을 일시 래치하는 래치, 상기 래치의 출력을 발열하는 발열체로 되어 있는 열전사헤드 , 상기 라인메모리의 데이터기입 및 독출을 제어하고, 상기 라인메모리의 출력에 대응한 계조가 보정된 데이터가 출력되도록 상기 저항보정부를 제어하며, 비트순위로 가중치를 두어 발열시간에 해당하는 스트로브신호를 출력하는 열전사헤드 제어부로 이루어짐을 특징으로 하는 비디오 프린터장치.A printer apparatus in which an image signal is input from a signal input source and expresses an energization factor in a thermal transfer head (TPH) composed of a plurality of heating elements after comparing gray levels preset in units of lines and gray scales, and storing the image signals in units of lines. Line memory; Resistor correction for compensating for the deviation of each heating element with respect to the output of the line memory, and outputting the output of the resistance correction in the selection switch for outputting the data corresponding to the line in the bit order, the output of the selection switch A shift register, a latch for temporarily latching the output of the shift register, a thermal transfer head that is a heating element that generates the output of the latch, a data write and read of the line memory, and a gray level corresponding to the output of the line memory. And a thermal transfer head control unit which controls the resistance correction unit to output the corrected data, and outputs a strobe signal corresponding to the heating time by weighting the bit order. 제4항에 있어서, 상기 저항보정부는 상기 발열체의 편차에 대하여 계조별로 발열체의 위치에 따라 보상된 계조데이터가 저장되어 있는 메모리 ; 상기 열전사헤드 제어부의 제어하에 상기 라인메모리의 출력에 대응한 계조에 보상데이터가 저장된 상기 발열체의 위치에 해당하는 어드레스신호를 상기 메모리에 출력하는 어드레스발생기를 포함함을 특징으로 하는 비디오 프린터장치.The memory device of claim 4, wherein the resistance compensation unit comprises: a memory storing grayscale data compensated according to the position of the heating element for each gray level with respect to the deviation of the heating element; And an address generator for outputting, to the memory, an address signal corresponding to the position of the heating element in which the compensation data is stored in a gray scale corresponding to the output of the line memory under the control of the thermal transfer head controller. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920023433A 1992-12-05 1992-12-05 Viedo printer KR0141118B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920023433A KR0141118B1 (en) 1992-12-05 1992-12-05 Viedo printer

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Application Number Priority Date Filing Date Title
KR1019920023433A KR0141118B1 (en) 1992-12-05 1992-12-05 Viedo printer

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KR940013836A true KR940013836A (en) 1994-07-16
KR0141118B1 KR0141118B1 (en) 1998-07-01

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KR1019920023433A KR0141118B1 (en) 1992-12-05 1992-12-05 Viedo printer

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