DE4001879A1 - Rasterdrucker mit einstellbarer druckdichte - Google Patents

Rasterdrucker mit einstellbarer druckdichte

Info

Publication number
DE4001879A1
DE4001879A1 DE19904001879 DE4001879A DE4001879A1 DE 4001879 A1 DE4001879 A1 DE 4001879A1 DE 19904001879 DE19904001879 DE 19904001879 DE 4001879 A DE4001879 A DE 4001879A DE 4001879 A1 DE4001879 A1 DE 4001879A1
Authority
DE
Germany
Prior art keywords
raster
printing
heads
paper feed
dot
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.)
Granted
Application number
DE19904001879
Other languages
German (de)
English (en)
Other versions
DE4001879C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Kohichi Yageta
Toshio Hiki
Ryozo Shimane
Yoshikane Matsumoto
Shigenori Suematsu
Shingo Nakahara
Mitsuo Ogura
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.)
Ricoh Printing Systems Ltd
Original Assignee
Hitachi Koki 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 Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Publication of DE4001879A1 publication Critical patent/DE4001879A1/de
Application granted granted Critical
Publication of DE4001879C2 publication Critical patent/DE4001879C2/de
Granted 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
    • B41J2/485—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters or image elements applicable to two or more kinds of printing or marking processes
    • B41J2/505—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters or image elements applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements
    • B41J2/5056—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters or image elements applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements using dot arrays providing selective dot disposition modes, e.g. different dot densities for high speed and high-quality printing, array line selections for multi-pass printing, or dot shifts for character inclination

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Dot-Matrix Printers And Others (AREA)
DE19904001879 1989-01-27 1990-01-23 Rasterdrucker mit einstellbarer druckdichte Granted DE4001879A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1849589A JPH02198880A (ja) 1989-01-27 1989-01-27 印字密度可変ドットプリンタ

Publications (2)

Publication Number Publication Date
DE4001879A1 true DE4001879A1 (de) 1990-08-02
DE4001879C2 DE4001879C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-05-21

Family

ID=11973199

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904001879 Granted DE4001879A1 (de) 1989-01-27 1990-01-23 Rasterdrucker mit einstellbarer druckdichte

Country Status (2)

Country Link
JP (1) JPH02198880A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE4001879A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0679518A1 (en) * 1994-03-02 1995-11-02 Seiko Epson Corporation Print head, especially for use in a serial printer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3125426A1 (de) * 1981-06-27 1983-01-20 Olympia Werke Ag, 2940 Wilhelmshaven Matrixdrucker mit einem laengs eines aufzeichnungstraegers in druckzeilenrichtung bewegbaren druckkopf
EP0107502A2 (en) * 1982-10-27 1984-05-02 Royden C. Sanders, Jr. Matrix dot printer with printed dot density control
EP0159402A1 (de) * 1984-04-27 1985-10-30 Siemens Aktiengesellschaft Tintenschreibeinrichtung zur Darstellung von Zeichen unterschiedlicher Schriftqualität
DE3739446A1 (de) * 1986-11-21 1988-06-01 Hitachi Koki Kk Punktzeilendrucker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3125426A1 (de) * 1981-06-27 1983-01-20 Olympia Werke Ag, 2940 Wilhelmshaven Matrixdrucker mit einem laengs eines aufzeichnungstraegers in druckzeilenrichtung bewegbaren druckkopf
EP0107502A2 (en) * 1982-10-27 1984-05-02 Royden C. Sanders, Jr. Matrix dot printer with printed dot density control
EP0159402A1 (de) * 1984-04-27 1985-10-30 Siemens Aktiengesellschaft Tintenschreibeinrichtung zur Darstellung von Zeichen unterschiedlicher Schriftqualität
DE3739446A1 (de) * 1986-11-21 1988-06-01 Hitachi Koki Kk Punktzeilendrucker

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP 58-1 28 883 A in Pat. Abstr. of Jap. Sect. M, Vol. 7 (1983) Nr. 240 (M-251) *
JP 59-35 961 A in Pat. Abstr. of Jap. Sect. M, Vol. 8 (1981) Nr. 136 (M-304) *
JP 60-1 51 075 A in Pat. Abstr. of Jap. Sect. M, Vol. 9 (1985) Nr. 316 (M-438) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0679518A1 (en) * 1994-03-02 1995-11-02 Seiko Epson Corporation Print head, especially for use in a serial printer
US5686944A (en) * 1994-03-02 1997-11-11 Seiko Epson Corporation Serial printer with hybrid print control of interlaced and minute feed printing

Also Published As

Publication number Publication date
DE4001879C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-05-21
JPH02198880A (ja) 1990-08-07

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HITACHI PRINTING SOLUTIONS, LTD., EBINA, KANAGAWA,

8339 Ceased/non-payment of the annual fee