BR8203226A - 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
BR8203226A
BR8203226A BR8203226A BR8203226A BR8203226A BR 8203226 A BR8203226 A BR 8203226A BR 8203226 A BR8203226 A BR 8203226A BR 8203226 A BR8203226 A BR 8203226A BR 8203226 A BR8203226 A BR 8203226A
Authority
BR
Brazil
Prior art keywords
excitation circuit
constant energy
energy excitation
printing hammers
electromagnetic printing
Prior art date
Application number
BR8203226A
Other languages
English (en)
Inventor
Robert Walker Arnold
Dean William Akinner
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 BR8203226A publication Critical patent/BR8203226A/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
    • 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 Electrical Variables (AREA)
BR8203226A 1981-06-18 1982-06-02 Circuito de excitacao de energia constante para martelos de impressao eletromagneticos BR8203226A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/274,848 US4408129A (en) 1981-06-18 1981-06-18 Constant energy drive circuit for electromagnetic print hammers

Publications (1)

Publication Number Publication Date
BR8203226A true BR8203226A (pt) 1983-05-17

Family

ID=23049848

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8203226A BR8203226A (pt) 1981-06-18 1982-06-02 Circuito de excitacao de energia constante para martelos de impressao eletromagneticos

Country Status (7)

Country Link
US (1) US4408129A (pt)
EP (1) EP0067937B1 (pt)
JP (1) JPS582007A (pt)
BR (1) BR8203226A (pt)
CA (1) CA1172341A (pt)
DE (1) DE3272267D1 (pt)
ES (1) ES513196A0 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816396A (ja) * 1981-07-20 1983-01-31 パイオニア株式会社 電圧−電流変換回路
JPH0431221Y2 (pt) * 1988-09-02 1992-07-28
US5053911A (en) * 1989-06-02 1991-10-01 Motorola, Inc. Solenoid closure detection
JPH0396370A (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
JPH0392720U (pt) * 1989-12-28 1991-09-20
US5214558A (en) * 1991-10-25 1993-05-25 International Business Machines Corporation Chopper drive control circuit
DE19515775C2 (de) * 1995-04-28 1998-08-06 Ficht Gmbh Verfahren zum Ansteuern einer Erregerspule einer elektromagnetisch angetriebenen Hubkolbenpumpe
JP5915054B2 (ja) * 2011-09-26 2016-05-11 アイシン精機株式会社 ソレノイドの通電制御装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967182A (en) * 1975-06-20 1976-06-29 Rca Corporation Regulated switched mode multiple output power supply
US4027761A (en) * 1975-10-21 1977-06-07 Ncr Corporation Matrix print head impact energy control
US4123729A (en) * 1977-07-22 1978-10-31 General Motors Corporation Displacement transducer
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
CA1172341A (en) 1984-08-07
ES8305525A1 (es) 1983-04-01
JPS626328B2 (pt) 1987-02-10
ES513196A0 (es) 1983-04-01
EP0067937A2 (en) 1982-12-29
EP0067937B1 (en) 1986-07-30
EP0067937A3 (en) 1984-04-04
US4408129A (en) 1983-10-04
DE3272267D1 (en) 1986-09-04
JPS582007A (ja) 1983-01-07

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