IT8467044A0 - Dispositivo attuatore per il comando degli aghi di una stampante a matrice di punti e procedimento per la sua produzione - Google Patents

Dispositivo attuatore per il comando degli aghi di una stampante a matrice di punti e procedimento per la sua produzione

Info

Publication number
IT8467044A0
IT8467044A0 IT8467044A IT6704484A IT8467044A0 IT 8467044 A0 IT8467044 A0 IT 8467044A0 IT 8467044 A IT8467044 A IT 8467044A IT 6704484 A IT6704484 A IT 6704484A IT 8467044 A0 IT8467044 A0 IT 8467044A0
Authority
IT
Italy
Prior art keywords
needles
procedure
production
control
dot matrix
Prior art date
Application number
IT8467044A
Other languages
English (en)
Other versions
IT1208772B (it
Inventor
Cheng Hua Wang
Original Assignee
Centronics Data Computer
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 Centronics Data Computer filed Critical Centronics Data Computer
Publication of IT8467044A0 publication Critical patent/IT8467044A0/it
Application granted granted Critical
Publication of IT1208772B publication Critical patent/IT1208772B/it

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
    • B41J2/27—Actuators for print wires
    • B41J2/28—Actuators for print wires of spring charge type, i.e. with mechanical power under electro-magnetic control
    • 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
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
IT8467044A 1983-01-17 1984-01-17 Dispositivo attuatore per il comando degli aghi di una stampante a matrice di punti e procedimento per la sua produzione IT1208772B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45830683A 1983-01-17 1983-01-17
US06/540,043 US4513496A (en) 1983-01-17 1983-10-07 Method of making a print pin actuator

Publications (2)

Publication Number Publication Date
IT8467044A0 true IT8467044A0 (it) 1984-01-17
IT1208772B IT1208772B (it) 1989-07-10

Family

ID=27038951

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8467044A IT1208772B (it) 1983-01-17 1984-01-17 Dispositivo attuatore per il comando degli aghi di una stampante a matrice di punti e procedimento per la sua produzione

Country Status (6)

Country Link
US (1) US4513496A (it)
CA (1) CA1217385A (it)
DE (1) DE3400888A1 (it)
FR (1) FR2539353B1 (it)
GB (1) GB2134043B (it)
IT (1) IT1208772B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772141A (en) * 1982-10-27 1988-09-20 Royden C. Sanders, Jr. Dot matrix printhead pin driver and method of assembly
DE3644185C1 (de) * 1986-12-23 1991-05-29 Mannesmann Ag Matrixdruckkopf
US4653943A (en) * 1984-03-27 1987-03-31 Brother Kogyo Kabushiki Kaisha Print head
US4798488A (en) * 1984-08-27 1989-01-17 Nhk Spring Co., Ltd. Dot matrix print head
US4723854A (en) * 1985-05-01 1988-02-09 Brother Kogyo Kabushiki Kaisha Dot-matrix print head and apparatus for supporting pivotable armatures
SE457243B (sv) * 1986-06-18 1988-12-12 Philips Norden Ab Naaltryckhuvud
JPH0611789Y2 (ja) * 1987-04-20 1994-03-30 アルプス電気株式会社 ワイヤドツトプリンタ用ヘツド
JPH0357034U (it) * 1989-10-11 1991-05-31
US5163763A (en) * 1991-02-19 1992-11-17 Ncr Corporation Dot matrix print head armature

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233984A (en) * 1978-06-30 1980-11-18 Walling Peter T Respiratory ventilating device
US4225250A (en) * 1978-10-10 1980-09-30 Tally Corporation Segmented-ring magnet print head
US4273039A (en) * 1979-08-03 1981-06-16 Hewlett Packard Company Impact printing apparatus and method using reluctance switching and a closed loop drive system
JPS56135080A (en) * 1980-03-27 1981-10-22 Oki Electric Ind Co Ltd Wire dot head
IT1135613B (it) * 1981-02-25 1986-08-27 Honeywell Inf Systems Italia Gruppo elettromagnetico per testina stampante a mosaico e relativo metodo di produzione

Also Published As

Publication number Publication date
CA1217385A (en) 1987-02-03
GB8400968D0 (en) 1984-02-15
IT1208772B (it) 1989-07-10
FR2539353A1 (fr) 1984-07-20
GB2134043B (en) 1986-01-22
DE3400888A1 (de) 1984-07-19
FR2539353B1 (fr) 1987-04-30
US4513496A (en) 1985-04-30
GB2134043A (en) 1984-08-08

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