GB2159992B - Memory device and printing system for dot printer - Google Patents

Memory device and printing system for dot printer

Info

Publication number
GB2159992B
GB2159992B GB08514155A GB8514155A GB2159992B GB 2159992 B GB2159992 B GB 2159992B GB 08514155 A GB08514155 A GB 08514155A GB 8514155 A GB8514155 A GB 8514155A GB 2159992 B GB2159992 B GB 2159992B
Authority
GB
United Kingdom
Prior art keywords
memory device
printing system
dot printer
dot
printer
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
GB08514155A
Other languages
English (en)
Other versions
GB2159992A (en
GB8514155D0 (en
Inventor
Hirokuni Takano
Toshiro Suemune
Takao Shimizu
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of GB8514155D0 publication Critical patent/GB8514155D0/en
Publication of GB2159992A publication Critical patent/GB2159992A/en
Application granted granted Critical
Publication of GB2159992B publication Critical patent/GB2159992B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Record Information Processing For Printing (AREA)
GB08514155A 1984-06-05 1985-06-05 Memory device and printing system for dot printer Expired GB2159992B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59113816A JPH0643135B2 (ja) 1984-06-05 1984-06-05 ドットプリンタのドットパターン格納方法

Publications (3)

Publication Number Publication Date
GB8514155D0 GB8514155D0 (en) 1985-07-10
GB2159992A GB2159992A (en) 1985-12-11
GB2159992B true GB2159992B (en) 1987-07-22

Family

ID=14621763

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08514155A Expired GB2159992B (en) 1984-06-05 1985-06-05 Memory device and printing system for dot printer

Country Status (4)

Country Link
US (1) US4704040A (US07714131-20100511-C00038.png)
JP (1) JPH0643135B2 (US07714131-20100511-C00038.png)
DE (1) DE3520289A1 (US07714131-20100511-C00038.png)
GB (1) GB2159992B (US07714131-20100511-C00038.png)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505398A1 (de) * 1985-02-16 1986-08-21 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth Verfahren und schaltungsanordnung zur verbesserung der darstellung von zeichen und graphiken eines ausgabemediums inbesondere eines druckers
JPH0725180B2 (ja) * 1985-07-31 1995-03-22 株式会社テック 印字パタ−ン記憶方法
DE3682385D1 (de) * 1985-12-27 1991-12-12 Kanzaki Paper Mfg Co Ltd Waermeempfindlicher drucker zum drucken von regelmaessigen und unregelmaessigen schriftzeichen und dessen druckverfahren.
US5012232A (en) * 1986-12-05 1991-04-30 Ncr Corporation Bit mapped memory plane with character attributes for video display
US4942390A (en) * 1987-04-01 1990-07-17 International Business Machines Corporation Method and apparatus for generating a character image
US5290110A (en) * 1988-03-07 1994-03-01 Canon Kabushiki Kaisha Document processing apparatus capable of printing multisized characters
WO1990003272A1 (en) * 1988-09-26 1990-04-05 Oki Electric Industry Co., Ltd. Compression and decompression method of dot matrix character
US5272768A (en) * 1989-02-21 1993-12-21 Hewlett-Packard Company Blank strip font compression method and device, and resulting stored, decompressible font
JPH04220764A (ja) * 1990-03-13 1992-08-11 Hewlett Packard Co <Hp> 文字フォント圧縮方法および装置
US5381163A (en) * 1990-06-13 1995-01-10 Canon Kabushiki Kaisha Image processing apparatus
JPH0686032A (ja) * 1992-05-06 1994-03-25 Xerox Corp プリンタ出力コントローラ
JP3711144B2 (ja) * 1994-02-16 2005-10-26 アップル コンピューター インコーポレーテッド グラフィックイメージ生成方法
US6108101A (en) * 1997-05-15 2000-08-22 Canon Kabushiki Kaisha Technique for printing with different printer heads

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1162398B (de) * 1961-10-24 1964-02-06 Ibm Verdichter fuer Daten, die aus Bits verschiedener Wertigkeit bestehen
DE2460147C2 (de) * 1974-12-19 1983-05-05 Ibm Deutschland Gmbh, 7000 Stuttgart Anordnung zur Dekomprimierung komprimierter Information für aus schwarzen und weißen Bereichen zusammengesetze darzustellende Zeichen
US3964591A (en) * 1975-06-10 1976-06-22 International Business Machines Corporation Font selection system
FR2463211A2 (fr) * 1979-08-10 1981-02-20 Alsacienne Constr Meca Systeme de rattache de fil et de nettoyage pour machine de filature
JPS5660983A (en) * 1979-10-25 1981-05-26 Nippon Telegr & Teleph Corp <Ntt> Compression system for dot-string data
SE424927B (sv) * 1980-12-19 1982-08-16 Facit Ab Teckengenerator
DE3048629C2 (de) * 1980-12-23 1982-11-04 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zur Reduzierung des Speicherplatzbedarfes von Zeichen oder grafische Muster beschreibenden binären Zeichenfolgen in Zeichengeneratoren
DE3132842C2 (de) * 1981-08-19 1985-03-21 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Reduzierung der Redundanz von binären Zeichenfolgen für Matrixdruckverfahren
US4458333A (en) * 1981-12-21 1984-07-03 International Business Machines Corporation Dot matrix character printing using constrained memory
JPS58114670A (ja) * 1981-12-28 1983-07-08 Photo Composing Mach Mfg Co Ltd 文字画像デ−タ圧縮方式
US4876607A (en) * 1982-03-31 1989-10-24 International Business Machines Corporation Complex character generator utilizing byte scanning
US4467363A (en) * 1982-09-27 1984-08-21 International Business Machines Corporation Graphic data compression

Also Published As

Publication number Publication date
US4704040A (en) 1987-11-03
DE3520289C2 (US07714131-20100511-C00038.png) 1993-03-18
JPH0643135B2 (ja) 1994-06-08
GB2159992A (en) 1985-12-11
GB8514155D0 (en) 1985-07-10
JPS60257253A (ja) 1985-12-19
DE3520289A1 (de) 1985-12-05

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Legal Events

Date Code Title Description
711A Proceeding under section 117(1) patents act 1977
PE20 Patent expired after termination of 20 years

Effective date: 20050604