FR2097935A5 - - Google Patents

Info

Publication number
FR2097935A5
FR2097935A5 FR7121845A FR7121845A FR2097935A5 FR 2097935 A5 FR2097935 A5 FR 2097935A5 FR 7121845 A FR7121845 A FR 7121845A FR 7121845 A FR7121845 A FR 7121845A FR 2097935 A5 FR2097935 A5 FR 2097935A5
Authority
FR
France
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
FR7121845A
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 Inc
Original Assignee
Potter Instrument Co Inc
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 Inc filed Critical Potter Instrument Co Inc
Application granted granted Critical
Publication of FR2097935A5 publication Critical patent/FR2097935A5/fr
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)
FR7121845A 1970-06-25 1971-06-16 Expired FR2097935A5 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2097935A5 true FR2097935A5 (fr) 1972-03-03

Family

ID=21961615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121845A Expired FR2097935A5 (fr) 1970-06-25 1971-06-16

Country Status (5)

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

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
DE2953825C1 (de) * 1979-08-20 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Ansteuereinrichtung fuer den elektromagnetischen Antrieb eines Druckhammers
DE2933616C2 (de) 1979-08-20 1982-09-23 Siemens AG, 1000 Berlin und 8000 München Dämpfungsvorrichtung für einen als Klappankermagnetsystem ausgebildeten elektromagnetischen Antrieb für den Druckhammer in einer Druckhammeranordnung
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
US4348119A (en) * 1980-11-06 1982-09-07 General Electric Company Bounce control system for moving coil printing element
US4333398A (en) * 1980-11-06 1982-06-08 General Electric Company Driving force control system for impact printer
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 (it) * 1987-04-30 1990-02-14 Honeywell Inf Systems Circuito di comando per testina stampante a punti
EP0603098B1 (fr) * 1992-12-18 1998-02-04 International Business Machines Corporation Perforation magnéto-répulsive à amortissement dynamique
US6484613B1 (en) * 1993-07-27 2002-11-26 International Business Machines Corporation Electromagnetic bounce back braking for punch press and punch press process
EP0746752A4 (fr) * 1993-08-19 2000-02-23 Venturedyne Ltd Detecteur de particules equipe d'un systeme de circulation d'air a faible perte de charge
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 (fr) * 1962-05-16

Also Published As

Publication number Publication date
GB1313273A (en) 1973-04-11
CA938559A (en) 1973-12-18
US3678847A (en) 1972-07-25
DE2131710A1 (de) 1971-12-30

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Legal Events

Date Code Title Description
ST Notification of lapse