DE3402621C2 - - Google Patents

Info

Publication number
DE3402621C2
DE3402621C2 DE3402621A DE3402621A DE3402621C2 DE 3402621 C2 DE3402621 C2 DE 3402621C2 DE 3402621 A DE3402621 A DE 3402621A DE 3402621 A DE3402621 A DE 3402621A DE 3402621 C2 DE3402621 C2 DE 3402621C2
Authority
DE
Germany
Prior art keywords
magnetic
yokes
yoke
permanent magnet
gap
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 - Fee Related
Application number
DE3402621A
Other languages
German (de)
English (en)
Other versions
DE3402621A1 (de
Inventor
Masao Kunita
Toshio Tanashi Tokio/Tokyo Jp Kurihara
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of DE3402621A1 publication Critical patent/DE3402621A1/de
Application granted granted Critical
Publication of DE3402621C2 publication Critical patent/DE3402621C2/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
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/235—Print head assemblies
    • B41J2/245—Print head assemblies line printer type
    • 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
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/26—Means for operating hammers to effect impression
    • B41J9/38—Electromagnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Impact Printers (AREA)
DE19843402621 1983-01-28 1984-01-26 Druckkopf fuer einen schlagenden mosaikzeilendrucker Granted DE3402621A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58011352A JPS59138473A (ja) 1983-01-28 1983-01-28 インパクト型ドツト印字ヘツド

Publications (2)

Publication Number Publication Date
DE3402621A1 DE3402621A1 (de) 1984-08-02
DE3402621C2 true DE3402621C2 (en:Method) 1990-08-30

Family

ID=11775639

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843402621 Granted DE3402621A1 (de) 1983-01-28 1984-01-26 Druckkopf fuer einen schlagenden mosaikzeilendrucker

Country Status (5)

Country Link
US (1) US4502382A (en:Method)
JP (1) JPS59138473A (en:Method)
DE (1) DE3402621A1 (en:Method)
FR (1) FR2540045A1 (en:Method)
GB (1) GB2134450A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE36137T1 (de) * 1984-09-18 1988-08-15 Mannesmann Tally Gmbh Matrixdrucker, insbesondere matrixzeilendrucker.
JPS62101459A (ja) * 1985-10-29 1987-05-11 Nhk Spring Co Ltd プリンタヘツド
US5219235A (en) * 1990-09-14 1993-06-15 Hitachi Koki Co., Ltd. Dot line printer having improved yoke assembly
US6473666B1 (en) * 1997-04-09 2002-10-29 Kawaguchiko Seimitsu Co., Ltd. Manufacturing machine of original design watch or original design dial
JP2010100040A (ja) * 2008-09-29 2010-05-06 Ricoh Printing Systems Ltd ドットラインプリンタ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672482A (en) * 1970-08-31 1972-06-27 Ibm Wire matrix print head
US3941051A (en) * 1974-08-08 1976-03-02 Printronix, Inc. Printer system
US4044668A (en) * 1975-05-16 1977-08-30 Printronix, Inc. Print hammer mechanism
US4258623A (en) * 1979-01-30 1981-03-31 Printronix, Inc. Print hammer mechanism having dual electromagnetic coils and pole pieces
US4357867A (en) * 1980-03-27 1982-11-09 Mannesmann Tally Corporation Multiple coil hammer actuator system
US4351235A (en) * 1980-09-11 1982-09-28 Mannesmann Tally Corporation Dot printing mechanism for dot matrix line printers
US4461207A (en) * 1980-11-17 1984-07-24 International Business Machines Corporation Actuator mechanism for a printer or the like using dual magnets
US4386563A (en) * 1981-07-02 1983-06-07 Printronix, Inc. Printing system having staggered hammer release
US4509421A (en) * 1982-07-23 1985-04-09 Citizen Watch Company Limited Printer head for a dot line printer
US4441421A (en) * 1982-09-22 1984-04-10 Hossein Khorsand Print hammer apparatus

Also Published As

Publication number Publication date
US4502382A (en) 1985-03-05
FR2540045A1 (fr) 1984-08-03
JPH0326654B2 (en:Method) 1991-04-11
GB2134450A (en) 1984-08-15
DE3402621A1 (de) 1984-08-02
GB8328827D0 (en) 1983-11-30
JPS59138473A (ja) 1984-08-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee