CA938559A - Hammer firing system for a high speed printer - Google Patents

Hammer firing system for a high speed printer

Info

Publication number
CA938559A
CA938559A CA111600A CA111600A CA938559A CA 938559 A CA938559 A CA 938559A CA 111600 A CA111600 A CA 111600A CA 111600 A CA111600 A CA 111600A CA 938559 A CA938559 A CA 938559A
Authority
CA
Canada
Prior art keywords
high speed
firing system
speed printer
hammer firing
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
CA111600A
Inventor
Charles B. Pear, Jr.
A. Ross Joseph
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.)
Potter Instrument Co
Original Assignee
Potter Instrument Co
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 Potter Instrument Co filed Critical Potter Instrument Co
Application granted granted Critical
Publication of CA938559A publication Critical patent/CA938559A/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
    • 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
    • B41J2/495—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 by selective printing from a rotating helical member
    • 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
    • B41J9/42—Hammer-impression mechanisms with anti-rebound arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Impact Printers (AREA)
CA111600A 1970-06-25 1971-04-28 Hammer firing system for a high speed printer Expired CA938559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4976770A 1970-06-25 1970-06-25

Publications (1)

Publication Number Publication Date
CA938559A true CA938559A (en) 1973-12-18

Family

ID=21961615

Family Applications (1)

Application Number Title Priority Date Filing Date
CA111600A Expired CA938559A (en) 1970-06-25 1971-04-28 Hammer firing system for a high speed printer

Country Status (5)

Country Link
US (1) US3678847A (en)
CA (1) CA938559A (en)
DE (1) DE2131710A1 (en)
FR (1) FR2097935A5 (en)
GB (1) GB1313273A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843955A (en) * 1972-10-19 1974-10-22 Potter Instrument Co Inc Helical bar strip chart recorder
US3948168A (en) * 1974-08-14 1976-04-06 Willison K. Vance Digital printer
US4019100A (en) * 1975-05-16 1977-04-19 Printronix, Inc. Print hammer energizing and control circuit
US4062285A (en) * 1975-10-15 1977-12-13 Xerox Corporation Hammer driver controller for impact printers
US4291992A (en) * 1979-05-22 1981-09-29 R. C. Sanders Technology Systems, Inc. Printer pin control circuitry
DE2933616C2 (en) 1979-08-20 1982-09-23 Siemens AG, 1000 Berlin und 8000 München Damping device for an electromagnetic drive designed as a hinged armature magnet system for the print hammer in a print hammer arrangement
DE2953825C1 (en) * 1979-08-20 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Control device for the electromagnetic drive of a print hammer
US4273040A (en) * 1979-09-28 1981-06-16 International Business Machines Corporation Segmented drum bar helix printer
US4353656A (en) * 1980-10-14 1982-10-12 Xerox Corporation Moving coil, multiple energy print hammer system including a closed loop servo
US4333398A (en) * 1980-11-06 1982-06-08 General Electric Company Driving force control system for impact printer
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
US4522122A (en) * 1983-05-03 1985-06-11 Ncr Canada Ltd - Ncr Canada Ltee Fast impact hammer for high speed printer
US4665371A (en) * 1983-10-27 1987-05-12 Ncr Corporation Character spacing circuit for controlling print hammer firing
US4743821A (en) * 1986-10-14 1988-05-10 International Business Machines Corporation Pulse-width-modulating feedback control of electromagnetic actuators
IT1215449B (en) * 1987-04-30 1990-02-14 Honeywell Inf Systems CONTROL CIRCUIT FOR POINT PRINTER HEAD
EP0603098B1 (en) * 1992-12-18 1998-02-04 International Business Machines Corporation Magneto-repulsion punching with dynamic damping
US6484613B1 (en) * 1993-07-27 2002-11-26 International Business Machines Corporation Electromagnetic bounce back braking for punch press and punch press process
EP0746752A4 (en) 1993-08-19 2000-02-23 Venturedyne Ltd Particle sensor with low-pressure-drop air flow system
US5726568A (en) * 1995-06-07 1998-03-10 International Business Machines Corporation Magneto-repulsion punching with dynamic damping

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072045A (en) * 1958-06-02 1963-01-08 Bull Sa Machines Triggering electronic devices for the control of electromagnetic actuating devices
GB999374A (en) * 1961-03-30 1965-07-21 Scm Corp Printer hammer mech
NL292717A (en) * 1962-05-16

Also Published As

Publication number Publication date
DE2131710A1 (en) 1971-12-30
GB1313273A (en) 1973-04-11
US3678847A (en) 1972-07-25
FR2097935A5 (en) 1972-03-03

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