EP0063784A3 - Print hammer device with a plunger-type electromagnet system having an electro-optical sensor - Google Patents

Print hammer device with a plunger-type electromagnet system having an electro-optical sensor

Info

Publication number
EP0063784A3
EP0063784A3 EP82103372A EP82103372A EP0063784A3 EP 0063784 A3 EP0063784 A3 EP 0063784A3 EP 82103372 A EP82103372 A EP 82103372A EP 82103372 A EP82103372 A EP 82103372A EP 0063784 A3 EP0063784 A3 EP 0063784A3
Authority
EP
European Patent Office
Prior art keywords
plunger
electro
optical sensor
type electromagnet
hammer device
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.)
Granted
Application number
EP82103372A
Other languages
German (de)
Other versions
EP0063784A2 (en
EP0063784B1 (en
Inventor
Ulrich Dr. Ing. Heider
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0063784A2 publication Critical patent/EP0063784A2/en
Publication of EP0063784A3 publication Critical patent/EP0063784A3/en
Application granted granted Critical
Publication of EP0063784B1 publication Critical patent/EP0063784B1/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
    • B41J9/44—Control for hammer-impression mechanisms
    • B41J9/46—Control for hammer-impression mechanisms for deciding or adjusting hammer-firing time
    • 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
    • B41J9/16—Means for cocking or resetting hammers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Impact Printers (AREA)
EP19820103372 1981-04-24 1982-04-21 Print hammer device with a plunger-type electromagnet system having an electro-optical sensor Expired EP0063784B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3116430 1981-04-24
DE19813116430 DE3116430C2 (en) 1981-04-24 1981-04-24 Hammer pressure device with a plunger magnet system containing an optoelectronic sensor

Publications (3)

Publication Number Publication Date
EP0063784A2 EP0063784A2 (en) 1982-11-03
EP0063784A3 true EP0063784A3 (en) 1985-01-09
EP0063784B1 EP0063784B1 (en) 1987-07-01

Family

ID=6130796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820103372 Expired EP0063784B1 (en) 1981-04-24 1982-04-21 Print hammer device with a plunger-type electromagnet system having an electro-optical sensor

Country Status (2)

Country Link
EP (1) EP0063784B1 (en)
DE (1) DE3116430C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547087A (en) * 1983-01-20 1985-10-15 Siemens Aktiengesellschaft Microprocessor-controlled printing mechanism having an opto-electronic sensor
DE3346133A1 (en) * 1983-12-21 1985-07-04 Ibm Deutschland Gmbh, 7000 Stuttgart Automatic flying-time measurement in impact printers
US4678355A (en) * 1985-07-02 1987-07-07 Xerox Corporation Print tip contact sensor for quiet impact printer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2130804A5 (en) * 1971-02-23 1972-11-10 Nortec Computer Devices
EP0026387A1 (en) * 1979-10-01 1981-04-08 International Business Machines Corporation Method of operating an impact printer having hammer flight time and velocity sensing means
EP0064632A2 (en) * 1981-04-24 1982-11-17 Siemens Aktiengesellschaft Print hammer device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU521251B2 (en) * 1977-09-14 1982-03-25 Exxon Research And Engineering Company Hammer for impact printer
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2130804A5 (en) * 1971-02-23 1972-11-10 Nortec Computer Devices
EP0026387A1 (en) * 1979-10-01 1981-04-08 International Business Machines Corporation Method of operating an impact printer having hammer flight time and velocity sensing means
EP0064632A2 (en) * 1981-04-24 1982-11-17 Siemens Aktiengesellschaft Print hammer device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, Band 18, Nr. 12, Mai 1976, Seite 4072, Armonk, New York, US; W.D. FREEMAN et al.: "Print hammer position sensor" *
IBM TECHNICAL DISCLOSURE BULLETIN, Band 19, Nr. 8, Januar 1977, Seiten 3107-3108, Armonk, New York, US; N.F. BARROW et al.: "Variable print-hammer control for on-the-fly printing" *

Also Published As

Publication number Publication date
EP0063784A2 (en) 1982-11-03
DE3116430A1 (en) 1982-11-18
EP0063784B1 (en) 1987-07-01
DE3116430C2 (en) 1983-03-31

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