IT1088476B - Complesso di magnete per stampatrici ad urto - Google Patents

Complesso di magnete per stampatrici ad urto

Info

Publication number
IT1088476B
IT1088476B IT28503/77A IT2850377A IT1088476B IT 1088476 B IT1088476 B IT 1088476B IT 28503/77 A IT28503/77 A IT 28503/77A IT 2850377 A IT2850377 A IT 2850377A IT 1088476 B IT1088476 B IT 1088476B
Authority
IT
Italy
Prior art keywords
impact printers
magnet complex
magnet
complex
printers
Prior art date
Application number
IT28503/77A
Other languages
English (en)
Original Assignee
Dataproducts 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 Dataproducts Corp filed Critical Dataproducts Corp
Application granted granted Critical
Publication of IT1088476B publication Critical patent/IT1088476B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Impact Printers (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
IT28503/77A 1976-10-12 1977-10-12 Complesso di magnete per stampatrici ad urto IT1088476B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/731,694 US4114532A (en) 1976-10-12 1976-10-12 Impact printer magnet assembly

Publications (1)

Publication Number Publication Date
IT1088476B true IT1088476B (it) 1985-06-10

Family

ID=24940597

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28503/77A IT1088476B (it) 1976-10-12 1977-10-12 Complesso di magnete per stampatrici ad urto

Country Status (7)

Country Link
US (1) US4114532A (it)
JP (1) JPS598051B2 (it)
DE (1) DE2744554C2 (it)
FR (1) FR2367612A1 (it)
IT (1) IT1088476B (it)
NL (1) NL178301C (it)
SU (1) SU740147A3 (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2837550A1 (de) * 1978-08-29 1980-03-20 Ibm Deutschland Haltesystem fuer ausloesevorrichtungen mit einem bewegungselement
US4211493A (en) * 1978-08-30 1980-07-08 Burroughs Corporation Impact printing apparatus
US4228416A (en) * 1978-09-15 1980-10-14 Hov-Air-Ship, Inc. Composite magnet and magnetic anchoring
US4258623A (en) * 1979-01-30 1981-03-31 Printronix, Inc. Print hammer mechanism having dual electromagnetic coils and pole pieces
US4395945A (en) * 1979-08-13 1983-08-02 Dataproducts Corporation Hammer bank assembly
US4327639A (en) * 1979-11-05 1982-05-04 Xerox Corporation Print hammer assembly with multi-location impacts
US4324497A (en) * 1979-11-05 1982-04-13 Xerox Corporation Print hammer assembly with amplified multi-location impacts
US4319096A (en) * 1980-03-13 1982-03-09 Winey James M Line radiator ribbon loudspeaker
US4497110A (en) * 1981-09-03 1985-02-05 Dataproducts Corporation Method of making a hammer bank assembly
US4493568A (en) * 1983-02-22 1985-01-15 Estabrooks David A Dot matrix printhead employing moving coils
US4590853A (en) * 1984-04-23 1986-05-27 General Instrument Corporation Modular print head
JPH06104366B2 (ja) * 1986-12-17 1994-12-21 キヤノン株式会社 インパクト記録ヘツド
US5627505A (en) * 1996-07-01 1997-05-06 T. D. Wright, Inc. Magnetic cylinder with axial extending permanent bar magnets
US6454686B1 (en) * 2001-04-30 2002-09-24 T.D. Wright, Inc. Modular magnetic cylinder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB835173A (en) * 1957-02-26 1960-05-18 Csf Improvements in or relating to permanent magnet constructions
FR1272074A (fr) * 1960-07-29 1961-09-22 Aimant applicable notamment dans les fermetures magnétiques
US3285166A (en) * 1964-12-18 1966-11-15 Data Products Corp High speed print hammer and bar magnet means
GB1179855A (en) * 1967-03-14 1970-02-04 Newport Instr Ltd Improvements in or relating to Magnet Assemblies
US3606834A (en) * 1969-06-24 1971-09-21 Mohawk Data Sciences Corp Printer having a permanent magnet hammer mechanism
BE794846A (fr) * 1972-02-02 1973-05-29 Neil Holdings Ltd James Dispositif a aimantation permanente
US3755706A (en) * 1972-03-20 1973-08-28 Varian Associates Miniaturized traveling wave tube
DE2232613A1 (de) * 1972-07-03 1974-01-24 Spodig Heinrich Verfahren zur verbesserung des magnetisierungsverhaltens, insbes. aller schwer und sehr schwer magnetisierbaren permanentmagnetischen ferro-, ferri-magnetmaterialien zur erzielung hoher flussdichten b tief m (g) und feldstaerken h tief m (oe) bei gleichzeitiger sehr erheblicher einsparung an nutzbarem, teurem magnetmaterial
NL7217051A (it) * 1972-12-15 1974-06-18
US3983806A (en) * 1973-12-10 1976-10-05 Data Products Corporation Hammer bank assembly

Also Published As

Publication number Publication date
US4114532A (en) 1978-09-19
DE2744554A1 (de) 1978-04-13
NL178301C (nl) 1986-03-03
NL7710290A (nl) 1978-04-14
JPS5346661A (en) 1978-04-26
JPS598051B2 (ja) 1984-02-22
NL178301B (nl) 1985-10-01
FR2367612A1 (fr) 1978-05-12
SU740147A3 (ru) 1980-06-05
DE2744554C2 (de) 1982-06-09

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