DE3272267D1 - Multi-chopping drive circuit for an electromagnetic print hammer or the like - Google Patents

Multi-chopping drive circuit for an electromagnetic print hammer or the like

Info

Publication number
DE3272267D1
DE3272267D1 DE8282103181T DE3272267T DE3272267D1 DE 3272267 D1 DE3272267 D1 DE 3272267D1 DE 8282103181 T DE8282103181 T DE 8282103181T DE 3272267 T DE3272267 T DE 3272267T DE 3272267 D1 DE3272267 D1 DE 3272267D1
Authority
DE
Germany
Prior art keywords
drive circuit
print hammer
chopping drive
electromagnetic print
electromagnetic
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
DE8282103181T
Other languages
English (en)
Inventor
Robert Walker Arnold
Dean William Skinner
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
Application granted granted Critical
Publication of DE3272267D1 publication Critical patent/DE3272267D1/de
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
    • B41J9/44—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)
DE8282103181T 1981-06-18 1982-04-15 Multi-chopping drive circuit for an electromagnetic print hammer or the like Expired DE3272267D1 (en)

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
DE3272267D1 true DE3272267D1 (en) 1986-09-04

Family

ID=23049848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282103181T Expired DE3272267D1 (en) 1981-06-18 1982-04-15 Multi-chopping drive circuit for an electromagnetic print hammer or the like

Country Status (7)

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

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 (de) * 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 (de) * 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
JPS582007A (ja) 1983-01-07
US4408129A (en) 1983-10-04
ES8305525A1 (es) 1983-04-01
EP0067937B1 (de) 1986-07-30
EP0067937A2 (de) 1982-12-29
ES513196A0 (es) 1983-04-01
EP0067937A3 (en) 1984-04-04
BR8203226A (pt) 1983-05-17
JPS626328B2 (de) 1987-02-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee