GB1325839A - Electromagnetic actuator - Google Patents

Electromagnetic actuator

Info

Publication number
GB1325839A
GB1325839A GB2131772A GB2131772A GB1325839A GB 1325839 A GB1325839 A GB 1325839A GB 2131772 A GB2131772 A GB 2131772A GB 2131772 A GB2131772 A GB 2131772A GB 1325839 A GB1325839 A GB 1325839A
Authority
GB
United Kingdom
Prior art keywords
armature
leg
magnetic core
winding
hammer
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
GB2131772A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1325839A publication Critical patent/GB1325839A/en
Expired 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
    • 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)
  • Electromagnets (AREA)
GB2131772A 1971-06-25 1972-05-08 Electromagnetic actuator Expired GB1325839A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15677971A 1971-06-25 1971-06-25

Publications (1)

Publication Number Publication Date
GB1325839A true GB1325839A (en) 1973-08-08

Family

ID=22561055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2131772A Expired GB1325839A (en) 1971-06-25 1972-05-08 Electromagnetic actuator

Country Status (4)

Country Link
US (1) US3741113A (https=)
DE (1) DE2229394C2 (https=)
FR (1) FR2143012B1 (https=)
GB (1) GB1325839A (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062285A (en) * 1975-10-15 1977-12-13 Xerox Corporation Hammer driver controller for impact printers
NL172716C (nl) * 1976-04-01 1983-10-03 Nederlanden Staat Drukinrichting.
GB2023353B (en) * 1978-06-19 1982-10-06 Ibm Actuator for a printer
US4221163A (en) * 1978-09-01 1980-09-09 Ncr Corporation Magnetic hysteresis driven recording element and method
US4269117A (en) * 1979-07-11 1981-05-26 International Business Machines Corporation Electro-magnetic print hammer
US4324497A (en) * 1979-11-05 1982-04-13 Xerox Corporation Print hammer assembly with amplified multi-location impacts
US4327639A (en) * 1979-11-05 1982-05-04 Xerox Corporation Print hammer assembly with multi-location impacts
US4348119A (en) * 1980-11-06 1982-09-07 General Electric Company Bounce control system for moving coil printing element
JPS57109678A (en) * 1980-12-27 1982-07-08 Ricoh Co Ltd Plunger type printing hammer
US4423675A (en) 1982-03-08 1984-01-03 Hewlett-Packard Company Magnetic circuit and print hammer
US4522122A (en) * 1983-05-03 1985-06-11 Ncr Canada Ltd - Ncr Canada Ltee Fast impact hammer for high speed printer
US4493253A (en) * 1983-11-23 1985-01-15 Ncr Canada Ltd. Variable impact printing means
ATE94470T1 (de) * 1987-05-08 1993-10-15 Siemens Nixdorf Inf Syst Nadeldruckkopf mit antriebs- und rueckholklappankermagneten.
US4852481A (en) * 1988-07-14 1989-08-01 L. James Hubbard Print hammer mechanism

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1204680A (fr) * 1958-06-02 1960-01-27 Bull Machines Sa Perfectionnements aux dispositifs électroniques à déclenchement
NL136900C (https=) * 1963-03-28 Ibm
US3196783A (en) * 1963-05-10 1965-07-27 Potter Instrument Co Inc Printer magnet core
US3351006A (en) * 1964-06-11 1967-11-07 Honeywell Inc Print hammer having braking means
US3349696A (en) * 1965-08-16 1967-10-31 Potter Instrument Co Inc Hammer module assembly in high speed printers
GB1179419A (en) * 1966-10-14 1970-01-28 Int Computers Ltd Flying Hammer Solenoid Systems for High Speed Printers
US3426675A (en) * 1967-03-17 1969-02-11 Mohawk Data Sciences Corp Print hammer module
US3543906A (en) * 1967-08-21 1970-12-01 Edward J Buxton Solenoid controlled printing hammer mechanism
BE755082A (fr) * 1969-08-25 1971-02-01 Ncr Co Dispositif d'actionnement de marteaux d'impression

Also Published As

Publication number Publication date
DE2229394C2 (de) 1982-10-28
FR2143012A1 (https=) 1973-02-02
US3741113A (en) 1973-06-26
DE2229394A1 (de) 1973-01-11
FR2143012B1 (https=) 1973-07-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee