KR910016499A - Thermal recording device of video printer - Google Patents

Thermal recording device of video printer Download PDF

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Publication number
KR910016499A
KR910016499A KR1019900003544A KR900003544A KR910016499A KR 910016499 A KR910016499 A KR 910016499A KR 1019900003544 A KR1019900003544 A KR 1019900003544A KR 900003544 A KR900003544 A KR 900003544A KR 910016499 A KR910016499 A KR 910016499A
Authority
KR
South Korea
Prior art keywords
output
output signal
pulse
gradation
thermal recording
Prior art date
Application number
KR1019900003544A
Other languages
Korean (ko)
Other versions
KR920006101B1 (en
Inventor
차동일
Original Assignee
정용문
삼성전자 주식회사
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 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019900003544A priority Critical patent/KR920006101B1/en
Publication of KR910016499A publication Critical patent/KR910016499A/en
Application granted granted Critical
Publication of KR920006101B1 publication Critical patent/KR920006101B1/en

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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
    • B41J2/365—Print density control by compensation for variation in temperature

Abstract

내용 없음No content

Description

비디오 프린터의 감열 기록장치Thermal recording device of video printer

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 비디오 프린터의 블럭도, 제4도는 본 발명에 따른 서멀프린터 헤드의 구성도, 제5도는 본 발명에 따른 비디오 프린터의 감열 기록장치.1 is a block diagram of a video printer, FIG. 4 is a block diagram of a thermal printer head according to the present invention, and FIG. 5 is a thermal recording apparatus of a video printer according to the present invention.

Claims (1)

비디오 프린터의 감열 기록장치에 있어서, 디지탈 메모리에서 출력된 디지탈 영상 데이타를 입력하여 라인성분의 데이타를 받아 1라인 프린팅 종료시가지 보곤하는 라인메모리(100)와, 시스템을 제어하는 콘트롤부(200)와, 상기 콘트롤부(200)의 제어에 의해 카운팅 출력하는 계조카운터(300)와, 상기 계조카운터(300)의 출력과라인메모리(100)의 출력 데이타를 비교 출력하는 비교기(400)와, 서멀프린터 헤드의 기판에 복수개의 써미스터를소정의 위치에 설치하여 온도를 검출하는 온도검출부(500)와, 상기 계조카운터(300)의 출력과 온도검출부(500)의 출력신호를 받아 중간 농도 제어를 위한 농도 및시간 테이타를 출력하는 계조롬(600)과, 기준 펄스를 발생하기 위한 펄스발생부(700)와, 상기 계조롬(600)의 출력신호를 입력하여 상기 펄스발생부(700)의 펄스에 의해 펄스폭 변조를 하여 스트로브신호를 발생하는 PWM 발생부(800)와, 상기PWM발생부(800)의 출력신호를 디코딩하여 스트로브 펄스를 선택하는 디코더(900)와, 상기 비교기(400)의 출력신호를 입력하여 상기 디코더(900)의 스트로브신호에 의해 발열체 어레이를 구동시키는 발열체 구동부(1000)를 구비하여 상기 온도검출부(500)내의 써미스터 갯수에 따른 의한 온도검출에 상응하는 스트로브신호를 발생하여 화질을 향상시킴을 특징으로 하는 비디오프린터의 감열 기록장치.A thermal recording apparatus of a video printer, comprising: a line memory (100) used to input digital image data output from a digital memory to receive line component data and look at the end of one-line printing; a control unit (200) for controlling the system; And a gradation counter 300 counting and outputting the control by the control unit 200, a comparator 400 comparing the output of the gradation counter 300 with the output data of the line memory 100, and a thermal printer. The temperature detector 500 detects the temperature by installing a plurality of thermistors in a predetermined position on the substrate of the head, and receives the output signal of the gradation counter 300 and the output signal from the temperature detector 500 to control the concentration for intermediate concentration. And a gradation ROM 600 for outputting time data, a pulse generator 700 for generating a reference pulse, and an output signal of the gradation ROM 600 to be input by the pulse of the pulse generator 700.PWM output unit 800 for generating a strobe signal by the width modulation, a decoder 900 for selecting the strobe pulse by decoding the output signal of the PWM generator 800, and the output signal of the comparator 400 It is provided with a heating element driver 1000 for driving the heating element array by the strobe signal of the decoder 900 to generate a strobe signal corresponding to the temperature detection according to the number of thermistors in the temperature detector 500 to improve the image quality Thermal recording apparatus of a video printer, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900003544A 1990-03-16 1990-03-16 Thermal printer head KR920006101B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900003544A KR920006101B1 (en) 1990-03-16 1990-03-16 Thermal printer head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900003544A KR920006101B1 (en) 1990-03-16 1990-03-16 Thermal printer head

Publications (2)

Publication Number Publication Date
KR910016499A true KR910016499A (en) 1991-11-05
KR920006101B1 KR920006101B1 (en) 1992-07-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900003544A KR920006101B1 (en) 1990-03-16 1990-03-16 Thermal printer head

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KR (1) KR920006101B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101861643B1 (en) * 2016-12-09 2018-05-28 한국정보통신주식회사 A portable terminal providing efficient managements of a battery for processing payment information and a method for operating it

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Publication number Publication date
KR920006101B1 (en) 1992-07-27

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