[go: up one dir, main page]

KR850005617A - 더어멀 헤드의 발열체 고장 검출장치 - Google Patents

더어멀 헤드의 발열체 고장 검출장치 Download PDF

Info

Publication number
KR850005617A
KR850005617A KR1019850000360A KR850000360A KR850005617A KR 850005617 A KR850005617 A KR 850005617A KR 1019850000360 A KR1019850000360 A KR 1019850000360A KR 850000360 A KR850000360 A KR 850000360A KR 850005617 A KR850005617 A KR 850005617A
Authority
KR
South Korea
Prior art keywords
power supply
heating element
failure detection
detection device
thermal head
Prior art date
Application number
KR1019850000360A
Other languages
English (en)
Other versions
KR900007294B1 (ko
Inventor
마모루 이시까와 (외 6)
Original Assignee
스미노 신이찌로우
도오꾜오 덴끼 가부시끼 가이샤
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 스미노 신이찌로우, 도오꾜오 덴끼 가부시끼 가이샤 filed Critical 스미노 신이찌로우
Publication of KR850005617A publication Critical patent/KR850005617A/ko
Application granted granted Critical
Publication of KR900007294B1 publication Critical patent/KR900007294B1/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/08—Measuring resistance by measuring both voltage and current

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Electronic Switches (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Protection Of Static Devices (AREA)

Abstract

내용 없음

Description

더어멀 헤드의 발열체 고장 검출장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 본 발명의 1실시예를 표시한 것으로서, 제1도는 블록회로도.

Claims (1)

  1. 인자용 전원에 대하여 복수의 발열체를 전원 공급라인에 의해 접속하고, 이 전원 공급라인에 절환스위치를 설치하여 상기 인자용 전원에 대하여 고장검출용 전원을 병렬적으로 설치하고, 이 고장검출용 전원과 절환스위치와의 사이에 저항을 설치하고 상기 절환스위치에 의해 상기 고장검출용 전원을 선택하였을때에 상기 저항에 생기는 전압강하치에 의존하는 전압치와 설정된 기준전압치를 비교하여 상기 저항과 직렬로 된 발열체의 고장을 검출하는 비교회로를 설치한 것을 특징으로 한 더어멀 헤드의 발열체 고장 검출장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850000360A 1984-01-31 1985-01-22 더어멀 헤드의 발열체 고장 검출장치 KR900007294B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59015857A JPS60159662A (ja) 1984-01-31 1984-01-31 サ−マルヘツドの発熱体故障検出装置
JP59-15857 1984-01-31

Publications (2)

Publication Number Publication Date
KR850005617A true KR850005617A (ko) 1985-08-28
KR900007294B1 KR900007294B1 (ko) 1990-10-08

Family

ID=11900467

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850000360A KR900007294B1 (ko) 1984-01-31 1985-01-22 더어멀 헤드의 발열체 고장 검출장치

Country Status (2)

Country Link
JP (1) JPS60159662A (ko)
KR (1) KR900007294B1 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0630888B2 (ja) * 1985-08-29 1994-04-27 株式会社サト− サ−マル印字ヘツドの発熱回路不良検出装置
JPS62175932U (ko) * 1986-04-28 1987-11-09
JPH0428774Y2 (ko) * 1986-05-12 1992-07-13
JP2530171Y2 (ja) * 1988-03-18 1997-03-26 株式会社テック サーマルヘッドの断線チェック装置
JPH06191079A (ja) * 1993-05-01 1994-07-12 Sato:Kk サーマル印字ヘッドの発熱回路不良検出装置
US5736997A (en) * 1996-04-29 1998-04-07 Lexmark International, Inc. Thermal ink jet printhead driver overcurrent protection scheme
JP3068549B2 (ja) * 1998-03-05 2000-07-24 日本電気データ機器株式会社 サーマルプリンタ
JP2000043307A (ja) * 1998-07-29 2000-02-15 Sony Corp ヘッド診断装置及びヘッド診断方法
CN101746151B (zh) 2008-12-12 2012-02-29 山东新北洋信息技术股份有限公司 一种热打印头检测装置、检测方法及其热打印机
CN108226662B (zh) * 2016-12-14 2020-04-07 中国航空工业集团公司西安航空计算技术研究所 一种机载计算机故障预测方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5828391A (ja) * 1981-08-12 1983-02-19 Ishida Scales Mfg Co Ltd サ−マルプリンタ−の印字回路のチエツク装置

Also Published As

Publication number Publication date
JPS60159662A (ja) 1985-08-21
KR900007294B1 (ko) 1990-10-08

Similar Documents

Publication Publication Date Title
KR870003743A (ko) 전기 가열기기
KR960021539A (ko) 열 헤드 장치
KR920000166A (ko) 반도체 장치의 보호회로
KR850005617A (ko) 더어멀 헤드의 발열체 고장 검출장치
KR960706716A (ko) 보호 스위치(A protected switch)
KR910006614A (ko) 엔진 예열장치
KR860001508A (ko) 과전류 보호회로
DE69840442D1 (de) Überstromschutzschaltung
KR910005535A (ko) 과전압 또는 과전류로 부터 보호하는 보호회로
KR860001283A (ko) 열선식 유속 검출장치
KR850005917A (ko) 전원 온·오프 제어회로
KR960012647A (ko) 반도체 복합소자 및 그 소자를 사용한 인버터장치의 비정상상태를 검출하는 방법
KR890004025A (ko) 코오드레스 아이론
KR910010863A (ko) 전원장치가 동작되는 온도에 대해 프리세트된 의존성을 갖는 mos형 전원장치의 단락회로 보호회로
KR880010547A (ko) 단선용 전구직통전류 파동방지 스위치회로
KR840000994A (ko) 바이패스갭부착 서어지어레스터(Surge Arrester)
JPS57123073A (en) Fault detecting device of thermal head
KR880000764A (ko) 냉장고용 온도 제어장치
KR890001407A (ko) 고광도 방전램프용 광전지 온도스위치
KR840002171A (ko) 추진전동기 제어장치 및 방법
KR920009033A (ko) 제어 전압이 증가함에 따라 출력이 감소하는 구분(區分)적 전류원
KR860000516A (ko) 공기조화기의 제어장치
KR900003374Y1 (ko) 더미스터를 이용한 특정온도 검지회로
SE8401957D0 (sv) Resistive circuit detector
KR850006916A (ko) 유도전동기용 절전장치

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19850122

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19861127

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19850122

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19900125

Patent event code: PE09021S01D

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19900905

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19910104

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19910117

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19910117

End annual number: 3

Start annual number: 1

PR1001 Payment of annual fee

Payment date: 19930914

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 19941007

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 19951004

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 19960920

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 19970830

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 19980922

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 19990930

Start annual number: 10

End annual number: 10

FPAY Annual fee payment

Payment date: 20000928

Year of fee payment: 11

PR1001 Payment of annual fee

Payment date: 20000928

Start annual number: 11

End annual number: 11

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee