BR8203144A - Circuito de excitacao de energia constante para martelos de impressao eletromagneticos - Google Patents

Circuito de excitacao de energia constante para martelos de impressao eletromagneticos

Info

Publication number
BR8203144A
BR8203144A BR8203144A BR8203144A BR8203144A BR 8203144 A BR8203144 A BR 8203144A BR 8203144 A BR8203144 A BR 8203144A BR 8203144 A BR8203144 A BR 8203144A BR 8203144 A BR8203144 A BR 8203144A
Authority
BR
Brazil
Prior art keywords
excitation circuit
constant energy
energy excitation
printing hammers
electromagnetic printing
Prior art date
Application number
BR8203144A
Other languages
English (en)
Inventor
Robert Walker Arnold
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BR8203144A publication Critical patent/BR8203144A/pt

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
    • B41J9/44—Control for hammer-impression mechanisms
    • B41J9/50—Control for hammer-impression mechanisms for compensating for the variations of printer drive conditions, e.g. for compensating for the variation of temperature or current supply
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/32—Energising current supplied by semiconductor device
    • H01H47/325—Energising current supplied by semiconductor device by switching regulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Impact Printers (AREA)
  • Control Of Voltage And Current In General (AREA)
BR8203144A 1981-06-18 1982-05-28 Circuito de excitacao de energia constante para martelos de impressao eletromagneticos BR8203144A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/274,933 US4381532A (en) 1981-06-18 1981-06-18 Constant energy drive circuit for electromagnetic print hammers

Publications (1)

Publication Number Publication Date
BR8203144A true BR8203144A (pt) 1983-05-17

Family

ID=23050211

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8203144A BR8203144A (pt) 1981-06-18 1982-05-28 Circuito de excitacao de energia constante para martelos de impressao eletromagneticos

Country Status (7)

Country Link
US (1) US4381532A (pt)
EP (1) EP0067936B1 (pt)
JP (1) JPS582008A (pt)
BR (1) BR8203144A (pt)
CA (1) CA1169142A (pt)
DE (1) DE3272430D1 (pt)
ES (1) ES8400702A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503480A (en) * 1983-02-17 1985-03-05 Ncr Corporation Voltage compensating driver circuit
US4516185A (en) * 1983-09-30 1985-05-07 Siemens-Allis, Inc. Time ratio control circuit for contactor or the like
US4706561A (en) * 1984-10-25 1987-11-17 Genicom Corporation Printing activator test circuit generating back EMF
JPH0396371A (ja) * 1989-07-18 1991-04-22 Brother Ind Ltd 印字動作用ソレノイド駆動制御装置
US5255152A (en) * 1991-08-21 1993-10-19 Eaton Corporation Controller for fixed-time pull-in of a relay
US5214558A (en) * 1991-10-25 1993-05-25 International Business Machines Corporation Chopper drive control circuit
JPH05286150A (ja) * 1992-03-05 1993-11-02 Internatl Business Mach Corp <Ibm> プリントハンマーコイル電流のモニタ回路及び制御回路
US5621603A (en) * 1995-07-26 1997-04-15 United Technologies Corporation Pulse width modulated solenoid driver controller
DE19723931A1 (de) 1997-06-06 1998-12-10 Siemens Ag Einrichtung zum Steuern eines elektromechanischen Stellgeräts
US20100259861A1 (en) * 2009-04-10 2010-10-14 Pertech Resources, Inc. Solenoid drive method that conserves power
JP5609806B2 (ja) * 2011-07-25 2014-10-22 株式会社デンソー ソレノイド駆動装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1923037B2 (de) * 1969-05-03 1972-01-27 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum stossartigen betrieb von eintelmagneteneiner gruppe
IT1030929B (it) * 1974-12-20 1979-04-10 Honeywell Inf Systems Circuito di pilotaggio per elettromagnete di stampa
US4027761A (en) * 1975-10-21 1977-06-07 Ncr Corporation Matrix print head impact energy control
GB1576822A (en) * 1976-03-19 1980-10-15 Sevcon Ltd Electromagnetically operated contactors
JPS5942961B2 (ja) * 1978-06-22 1984-10-18 沖電気工業株式会社 マグネツト駆動回路
US4293888A (en) * 1979-06-25 1981-10-06 International Business Machines Corporation Print hammer drive circuit with compensation for voltage variation

Also Published As

Publication number Publication date
JPS6226163B2 (pt) 1987-06-08
EP0067936A2 (en) 1982-12-29
US4381532A (en) 1983-04-26
DE3272430D1 (en) 1986-09-11
CA1169142A (en) 1984-06-12
EP0067936B1 (en) 1986-08-06
ES513195A0 (es) 1983-11-01
JPS582008A (ja) 1983-01-07
EP0067936A3 (en) 1984-04-04
ES8400702A1 (es) 1983-11-01

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 28/05/97