IT1163744B - Azionatore magnetico perfezionato - Google Patents

Azionatore magnetico perfezionato

Info

Publication number: IT1163744B
Authority: IT; Italy
Prior art keywords: magnetic actuator; perfected; perfected magnetic; actuator; magnetic
Prior art date: 1978-12-29

Application number

IT28241/79A

Other languages

English (en)

Other versions

IT7928241A0 (it

Inventor

John Carl Tamulis

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.)

1978-12-29

Filing date

1979-12-20

Publication date

1987-04-08

1979-12-20 Application filed by Ibm filed Critical Ibm

1979-12-20 Publication of IT7928241A0 publication Critical patent/IT7928241A0/it

1987-04-08 Application granted granted Critical

1987-04-08 Publication of IT1163744B publication Critical patent/IT1163744B/it

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

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Electromagnets (AREA)
Reciprocating, Oscillating Or Vibrating Motors (AREA)

IT28241/79A 1978-12-29 1979-12-20 Azionatore magnetico perfezionato IT1163744B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/974,298 US4224589A (en)	1978-12-29	1978-12-29	Low energy magnetic actuator

Publications (2)

Publication Number	Publication Date
IT7928241A0 IT7928241A0 (it)	1979-12-20
IT1163744B true IT1163744B (it)	1987-04-08

Family

ID=25521866

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT28241/79A IT1163744B (it)	1978-12-29	1979-12-20	Azionatore magnetico perfezionato

Country Status (8)

Country	Link
US (1)	US4224589A (it)
EP (1)	EP0014737B1 (it)
AU (1)	AU527732B2 (it)
BR (1)	BR7908327A (it)
CA (1)	CA1124780A (it)
DE (1)	DE2964555D1 (it)
ES (1)	ES486095A1 (it)
IT (1)	IT1163744B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4392423A (en) *	1978-02-08	1983-07-12	Hitachi, Ltd.	Printing hammer driving apparatus
US4461207A (en) *	1980-11-17	1984-07-24	International Business Machines Corporation	Actuator mechanism for a printer or the like using dual magnets
JPS57191079A (en) *	1981-05-20	1982-11-24	Seikosha Co Ltd	Printer head
US4423675A (en)	1982-03-08	1984-01-03	Hewlett-Packard Company	Magnetic circuit and print hammer
US4441421A (en) *	1982-09-22	1984-04-10	Hossein Khorsand	Print hammer apparatus
US5199804A (en) *	1991-05-31	1993-04-06	Smith Corona Corporation	Quiet impact printer mechanism
JPH1042544A (ja) *	1996-03-15	1998-02-13	Eastman Kodak Co	電磁的アクチュエータに用いるための軟磁性材料製コア

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3146381A (en) *	1960-09-12	1964-08-25	Vente D Aimants Allevard Ugine	Magnetic force control or switching system
CH395335A (de) *	1962-10-08	1965-07-15	Landis & Gyr Ag	Elektromagnetisches Relais
JPS5740522B2 (it) *	1974-01-18	1982-08-28

1978
- 1978-12-29 US US05/974,298 patent/US4224589A/en not_active Expired - Lifetime
1979
- 1979-10-29 EP EP79104186A patent/EP0014737B1/de not_active Expired
- 1979-10-29 DE DE7979104186T patent/DE2964555D1/de not_active Expired
- 1979-10-31 CA CA338,912A patent/CA1124780A/en not_active Expired
- 1979-11-19 ES ES486095A patent/ES486095A1/es not_active Expired
- 1979-12-06 AU AU53535/79A patent/AU527732B2/en not_active Ceased
- 1979-12-19 BR BR7908327A patent/BR7908327A/pt unknown
- 1979-12-20 IT IT28241/79A patent/IT1163744B/it active

Also Published As

Publication number	Publication date
ES486095A1 (es)	1980-09-01
US4224589A (en)	1980-09-23
AU5353579A (en)	1980-07-03
EP0014737B1 (de)	1983-01-19
IT7928241A0 (it)	1979-12-20
CA1124780A (en)	1982-06-01
AU527732B2 (en)	1983-03-17
EP0014737A1 (de)	1980-09-03
DE2964555D1 (en)	1983-02-24
BR7908327A (pt)	1980-09-16

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