FR2604267B1 - Circuit de commande pour tete thermique d'appareil d'impression - Google Patents

Circuit de commande pour tete thermique d'appareil d'impression

Info

Publication number
FR2604267B1
FR2604267B1 FR8712887A FR8712887A FR2604267B1 FR 2604267 B1 FR2604267 B1 FR 2604267B1 FR 8712887 A FR8712887 A FR 8712887A FR 8712887 A FR8712887 A FR 8712887A FR 2604267 B1 FR2604267 B1 FR 2604267B1
Authority
FR
France
Prior art keywords
control circuit
printing head
thermal printing
thermal
head
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8712887A
Other languages
English (en)
Other versions
FR2604267A1 (fr
Inventor
Kiyosuke Suzuki
Michihiro Hino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2604267A1 publication Critical patent/FR2604267A1/fr
Application granted granted Critical
Publication of FR2604267B1 publication Critical patent/FR2604267B1/fr
Expired legal-status Critical Current

Links

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
FR8712887A 1986-09-18 1987-09-17 Circuit de commande pour tete thermique d'appareil d'impression Expired FR2604267B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61220196A JPS6374664A (ja) 1986-09-18 1986-09-18 感熱ヘツドの駆動回路

Publications (2)

Publication Number Publication Date
FR2604267A1 FR2604267A1 (fr) 1988-03-25
FR2604267B1 true FR2604267B1 (fr) 1989-07-21

Family

ID=16747392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8712887A Expired FR2604267B1 (fr) 1986-09-18 1987-09-17 Circuit de commande pour tete thermique d'appareil d'impression

Country Status (8)

Country Link
US (1) US4951152A (fr)
JP (1) JPS6374664A (fr)
KR (1) KR960012767B1 (fr)
CN (1) CN1012264B (fr)
CA (1) CA1281765C (fr)
DE (1) DE3731278A1 (fr)
FR (1) FR2604267B1 (fr)
GB (1) GB2196498B (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63108867A (ja) * 1986-10-24 1988-05-13 Minolta Camera Co Ltd 多階調熱転写記録方法及び装置
JP2555105B2 (ja) * 1987-11-13 1996-11-20 富士通株式会社 印刷装置
JP2614637B2 (ja) * 1988-04-20 1997-05-28 富士写真フイルム株式会社 サーマルプリンタ装置における階調画像記録方法
JPH029652A (ja) * 1988-06-29 1990-01-12 Minolta Camera Co Ltd 光プリンタヘッド
JPH02269065A (ja) * 1988-12-23 1990-11-02 Canon Inc 熱記録方式および前記熱記録方式を用いる記録装置
JP2867539B2 (ja) * 1989-04-05 1999-03-08 松下電器産業株式会社 サーマルラインプリンタ
JP3155538B2 (ja) * 1989-05-30 2001-04-09 株式会社リコー レーザの多階調書き込み装置
JPH0332844A (ja) * 1989-06-30 1991-02-13 Canon Inc 液体噴射記録ヘッド
DE69030701T2 (de) * 1989-10-02 1997-10-02 Canon Kk Bilderzeugungsgerät und Modulationsverfahren
US4951159A (en) * 1989-10-10 1990-08-21 A.I.T. Corporation Digital modulation technique
JPH03193469A (ja) * 1989-12-25 1991-08-23 Oki Electric Ind Co Ltd サーマルヘッドの階調制御回路
US5053769A (en) * 1990-02-12 1991-10-01 Borg-Warner Automotive, Inc. Fast response digital interface apparatus and method
US4994822A (en) * 1990-05-24 1991-02-19 Eastman Kodak Company Pulse count modulation for thermal printing
JPH04261264A (ja) * 1991-02-15 1992-09-17 Victor Co Of Japan Ltd パルス幅変調装置
JP2896249B2 (ja) * 1991-04-19 1999-05-31 富士写真フイルム株式会社 プリンタの記録ヘッド駆動装置
JPH05268435A (ja) * 1991-07-08 1993-10-15 Motorola Inc 熱プリントヘッドを用いるグレー階調印刷
US5237346A (en) * 1992-04-20 1993-08-17 Xerox Corporation Integrated thin film transistor electrographic writing head
US5321427A (en) * 1992-06-03 1994-06-14 Eastman Kodak Company Print head modulator
KR0136762B1 (ko) * 1992-09-25 1998-04-29 김광호 프린터의 계조데이타 처리방법 및 그 장치
US5644351A (en) * 1992-12-04 1997-07-01 Matsushita Electric Industrial Co., Ltd. Thermal gradation printing apparatus
US5461410A (en) * 1993-03-29 1995-10-24 Texas Instruments Incorporated Gray scale printing using spatial light modulators
US5604527A (en) * 1993-12-28 1997-02-18 Eastman Kodak Company Dot printer and method for grey level recording with different bit-depth dimensions
JP3039608B2 (ja) * 1995-03-14 2000-05-08 三菱電機株式会社 中間調記録方法及び装置
US5739838A (en) * 1995-04-20 1998-04-14 Eastman Kodak Company Pulse width modulation method for a parallel input print head
US5774163A (en) * 1995-04-20 1998-06-30 Eastman Kodak Company Binary weighted modulation for a parallel input print head
EP0786894A1 (fr) * 1996-01-25 1997-07-30 Agfa-Gevaert N.V. Procédé pour l'activation des éléments alimentés individuellement dans une tête d'enregistrement thermique
US5833376A (en) * 1996-01-25 1998-11-10 Agfa-Gevaert Method of activating individually energisable elements in a thermal recording head
US6731317B2 (en) 2001-03-14 2004-05-04 Ricoh Company, Ltd. Pulse modulation signal generation circuit, and semiconductor laser modulation device, optical scanning device and image formation device using the same
US6590600B2 (en) * 2001-03-16 2003-07-08 Eastman Kodak Company Method and apparatus for controlling exposure amplitude and printed track width by pulse width modulation
JP4073676B2 (ja) * 2001-03-21 2008-04-09 株式会社リコー Ｄａ変換器及びｄａ変換方法
US6848764B2 (en) * 2002-04-12 2005-02-01 Eastman Kodak Company Method and apparatus for controlling heaters in a continuous ink jet print head
US6820971B2 (en) 2002-06-14 2004-11-23 Eastman Kodak Company Method of controlling heaters in a continuous ink jet print head having segmented heaters to prevent terminal ink drop misdirection
CN105984241B (zh) * 2015-02-02 2018-05-29 深圳市科曼医疗设备有限公司 热敏打印机及热敏打印方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469253A (en) * 1964-05-25 1969-09-23 Singer General Precision Data conversion system
US3668560A (en) * 1970-07-09 1972-06-06 Research Corp Pulse-width frequency modulation device
JPS51123511A (en) * 1975-04-22 1976-10-28 Oki Electric Ind Co Ltd Degree recording method
US4074319A (en) * 1976-12-13 1978-02-14 Bell Telephone Laboratories, Incorporated Light emitting diode array imaging system - parallel approach
FR2469841A1 (fr) * 1979-11-09 1981-05-22 Thomson Csf Dispositif de restitution de teintes utilisant une tete d'impression thermique et systeme d'impression thermique comportant un tel dispositif
JPS56109068A (en) * 1980-02-04 1981-08-29 Nippon Telegr & Teleph Corp <Ntt> Recorder for multitone
US4310831A (en) * 1980-02-04 1982-01-12 Texas Instruments Incorporated Pulse width modulated, push/pull digital to analog converter
JPS6010914B2 (ja) * 1980-02-14 1985-03-20 松下電送株式会社 感熱記録装置
JPS5714315A (en) * 1980-07-02 1982-01-25 Nishida Kk Drying hanger fixed only by hanging
AU567487B2 (en) * 1982-01-25 1987-11-26 Sony Corporation Thermal printer
JPS58150370A (ja) * 1982-03-02 1983-09-07 Sony Corp プリンタにおける階調信号発生回路
DE3610081A1 (de) * 1985-03-26 1986-10-02 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Thermokopf-treiberschaltung
JPS62275768A (ja) * 1986-05-24 1987-11-30 Sony Corp プリント装置
JPH0686127B2 (ja) * 1986-06-23 1994-11-02 興 和 株 式 會 社 発熱型画像記録装置
JPS63286351A (ja) * 1987-05-19 1988-11-24 Sony Corp プリンタ装置

Also Published As

Publication number Publication date
CN87106472A (zh) 1988-03-30
CN1012264B (zh) 1991-04-03
KR960012767B1 (ko) 1996-09-24
GB8721827D0 (en) 1987-10-21
GB2196498B (en) 1990-10-10
JPS6374664A (ja) 1988-04-05
FR2604267A1 (fr) 1988-03-25
GB2196498A (en) 1988-04-27
KR880003747A (ko) 1988-05-30
US4951152A (en) 1990-08-21
DE3731278A1 (de) 1988-04-07
CA1281765C (fr) 1991-03-19

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Legal Events

Date Code Title Description
ST Notification of lapse