KR920007816A - 칼라프린터의 열전사헤드 발열온도 제어장치 - Google Patents

칼라프린터의 열전사헤드 발열온도 제어장치 Download PDF

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Publication number
KR920007816A
KR920007816A KR1019900016774A KR900016774A KR920007816A KR 920007816 A KR920007816 A KR 920007816A KR 1019900016774 A KR1019900016774 A KR 1019900016774A KR 900016774 A KR900016774 A KR 900016774A KR 920007816 A KR920007816 A KR 920007816A
Authority
KR
South Korea
Prior art keywords
outputting
transfer head
signal
counter
cpu
Prior art date
Application number
KR1019900016774A
Other languages
English (en)
Inventor
정용규
Original Assignee
한태희
주식회사 금성사
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 한태희, 주식회사 금성사 filed Critical 한태희
Priority to KR1019900016774A priority Critical patent/KR920007816A/ko
Priority to EP91309679A priority patent/EP0482850A2/en
Priority to JP3299626A priority patent/JPH0624028A/ja
Publication of KR920007816A publication Critical patent/KR920007816A/ko

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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
    • B41J2/375—Protection arrangements against overheating
    • 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
    • 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
    • B41J2/07—Ink jet characterised by jet control
    • B41J2/072—Ink jet characterised by jet control by thermal compensation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electronic Switches (AREA)

Abstract

내용 없음

Description

칼라프린터의 열전사헤드 발열온도 제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 블록 구성도.
제2도의 (가)내지(카)는 본 발명의 동작 설명을 위한 신호 타이밍도.
제3도는 열전사 헤드의 발열온도와 발열계조의 관계를 나타낸 그래프.

Claims (1)

  1. CPU(4)에 의하여 어드레스 카운터(7)가 지시하는 RAM(6)의 어드레스에 해독 및 기록피스 발생수단(8)의 출력신호에 따라 화상데이타를 해독 및 기록하여 열전사헤드(9)를 제어하는 칼라프린터에 있어서, 열전사헤드(9)의 발열온도를 검출하는 온도 검출수단(1)과, 상기 온도 검출수단(1)에서 출력된 온도 검출신호를 증폭하여 후단의 아날로그-디지탈변환수단(3)에 입력하는 증폭수단(2)과, 상기 증폭수단(2)에서 입력된 온도검출신호를 디지탈신호로 변환하여 CPU(4)에 입력하는 아날로그-디지탈변환수단(3)과, 매 개조마다 상기 아날로그-디지탈변환수단(3)의 출력을 해독한 값에 따라 칼라재현에 적합한 온도가 되도록 발열시간 제어데이타를 출력함과 동시에 장치전체를 제어하는 CPU(4)와, 상기 CPU(4)로 부터 입력되는 발열시간 제어 데이타를 버퍼링하여 출력하는 발열 시간 제어버퍼(5)와, 화상 데이터가 기억되는 RAM(6)의 어드레스를 순차적으로 계소하여 출력하는 어드레스 카운터(7)와, 상기 RAM(6)의 해독 및 기록펄스를 출력하는 펄스발생수단(8)과 n개의 발열요소를 구비함과 동시에 상기 RAM(6)으로부터 전송되는 화상데이타에 의하여 소정온도로 발열하여 프린트하는 열전사헤드(9)와, 매 계조의 종료마다 펄스를 출력하여 계조종료신호를 상기 CPU(4)에 입력함과 동시에 상기 열전사헤드(9)에 래치신호를 입력하고 크리어 되는 블록카운터(10)와, 상기 블록카운터(10)의 출력을 계수하여 현재의 계조를 나타내는 데이타를 출력하여 모든 계조의 종료신호를 상기 CPU(4)에 입력함과 동시에 상기 열전사헤드(9)에 스트로브 신호를 입력하고 클리어 되는 계조카운터(11)와, 상기 RAM(6)으로부터 입력되는 화상데이터와 상기 계조카운터(11)로부터 입력되는 계수값을 비교한 신호를 출력하는 제1비교수단(12)과, 상기 발열시간 제어버퍼(5)로부터 입력되는 발열시간 제어데이타와 상기 계조카운터(11)로부터 입력되는 계수값을 비교한 신호를 출력하는 제2비교수단(13)과, 상기 제1및 제2비교수단(12,13)의 출력이 모두 하이레벨인 경우 상기 열전사헤드(9)가 발열되도록 화상 데이타를 출력하는 AND게이트(14)와, 상기 펄스발생수단(8), 열전사헤드(9) 및 블록카운터(10)에 클록펄스를 공급하는 클로펄스 발생수단(15)으로 구성한 것을 특징으로 하는 칼라 프린터의 열전사헤드 발열온도 제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019900016774A 1990-10-20 1990-10-20 칼라프린터의 열전사헤드 발열온도 제어장치 KR920007816A (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019900016774A KR920007816A (ko) 1990-10-20 1990-10-20 칼라프린터의 열전사헤드 발열온도 제어장치
EP91309679A EP0482850A2 (en) 1990-10-20 1991-10-18 TPH temperature control apparatus
JP3299626A JPH0624028A (ja) 1990-10-20 1991-10-21 カラープリンタのｔｐｈ温度制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900016774A KR920007816A (ko) 1990-10-20 1990-10-20 칼라프린터의 열전사헤드 발열온도 제어장치

Publications (1)

Publication Number Publication Date
KR920007816A true KR920007816A (ko) 1992-05-27

Family

ID=19304920

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900016774A KR920007816A (ko) 1990-10-20 1990-10-20 칼라프린터의 열전사헤드 발열온도 제어장치

Country Status (3)

Country Link
EP (1) EP0482850A2 (ko)
JP (1) JPH0624028A (ko)
KR (1) KR920007816A (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237338A (en) * 1991-08-05 1993-08-17 Eastman Kodak Company Is-enthalpic control of a thermal printing head
DE29504576U1 (de) * 1995-03-07 1995-05-11 Francotyp-Postalia GmbH, 16547 Birkenwerder Druckkopfthermosteuerung
US7101099B1 (en) 1998-08-19 2006-09-05 Canon Kabushiki Kaisha Printing head, head cartridge having printing head, printing apparatus using printing head, and printing head substrate
US7330201B2 (en) 2005-09-28 2008-02-12 Eastman Kodak Company Thermal printer and method for operating same
WO2018186862A1 (en) * 2017-04-06 2018-10-11 Hewlett-Packard Development Company, L.P. Nozzle characteristics
WO2018186861A1 (en) 2017-04-06 2018-10-11 Hewlett-Packard Development Company, L.P. Fluid supply control
CN113815316B (zh) * 2020-11-26 2022-10-04 山东华菱电子股份有限公司 基于差异化恒流加热的热敏打印头加热控制方法及装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01103460A (ja) * 1987-10-19 1989-04-20 Canon Inc サーマルヘッド駆動装置
JPH02292061A (ja) * 1989-04-29 1990-12-03 Nec Home Electron Ltd サーマルプリンタ

Also Published As

Publication number Publication date
JPH0624028A (ja) 1994-02-01
EP0482850A2 (en) 1992-04-29

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