NL144415B - Magneetkop. - Google Patents

Magneetkop.

Info

Publication number: NL144415B
Authority: NL; Netherlands
Prior art keywords: magnet head; magnet; head
Prior art date: 1963-03-06

Application number

NL646402193A

Other languages

English (en)

Dutch (nl)

Other versions

NL6402193A (de

Original Assignee

Philips Nv

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.)

1963-03-06

Filing date

1964-03-05

Publication date

1974-12-16

1964-03-05 Application filed by Philips Nv filed Critical Philips Nv

1964-09-07 Publication of NL6402193A publication Critical patent/NL6402193A/xx

1974-12-16 Publication of NL144415B publication Critical patent/NL144415B/xx

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)
Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

NL646402193A 1963-03-06 1964-03-05 Magneetkop. NL144415B (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AT175163A AT238472B (de)	1963-03-06	1963-03-06	Löschkopf

Publications (2)

Publication Number	Publication Date
NL6402193A NL6402193A (de)	1964-09-07
NL144415B true NL144415B (nl)	1974-12-16

Family

ID=3520209

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL646402193A NL144415B (nl)	1963-03-06	1964-03-05	Magneetkop.

Country Status (9)

Country	Link
US (1)	US3373249A (de)
AT (1)	AT238472B (de)
BE (1)	BE644713A (de)
CH (1)	CH428250A (de)
DE (1)	DE1228306B (de)
ES (1)	ES297195A1 (de)
GB (1)	GB1014257A (de)
NL (1)	NL144415B (de)
SE (1)	SE328724B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4821126A (en) *	1985-10-22	1989-04-11	Fuji Photo Film Co., Ltd.	Magnetic recording method involving core pieces of different thickness

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2230913A (en) *	1936-03-03	1941-02-04	Licentia Gmbh	Magnetic sound recorder
US2876294A (en) *	1953-10-19	1959-03-03	Warner Bros	Magnetic record control method and circuits
US2747024A (en) *	1954-10-04	1956-05-22	Clevite Corp	Magnetic erase heads

1963
- 1963-03-06 AT AT175163A patent/AT238472B/de active
1964
- 1964-03-03 GB GB8950/64A patent/GB1014257A/en not_active Expired
- 1964-03-03 US US348945A patent/US3373249A/en not_active Expired - Lifetime
- 1964-03-03 DE DEN24549A patent/DE1228306B/de active Pending
- 1964-03-03 SE SE02600/64A patent/SE328724B/xx unknown
- 1964-03-03 CH CH266464A patent/CH428250A/de unknown
- 1964-03-04 BE BE644713A patent/BE644713A/xx unknown
- 1964-03-04 ES ES0297195A patent/ES297195A1/es not_active Expired
- 1964-03-05 NL NL646402193A patent/NL144415B/xx unknown

Also Published As

Publication number	Publication date
SE328724B (de)	1970-09-21
ES297195A1 (es)	1964-08-16
NL6402193A (de)	1964-09-07
CH428250A (de)	1967-01-15
GB1014257A (en)	1965-12-22
DE1228306B (de)	1966-11-10
US3373249A (en)	1968-03-12
BE644713A (de)	1964-09-04
AT238472B (de)	1965-02-10

Publication	Publication Date	Title
NL145379B (nl)	1975-03-17	Magneetkop.
DK115947B (da)	1969-11-24	Vagitorium.
DK105902C (da)	1966-11-21	Metalbor.
DK106532C (da)	1967-02-13	Mejetærsker.
DK106531C (da)	1967-02-13	Mejetærsker.
DK126682B (da)	1973-08-13	Lynlås.
DK107717C (da)	1967-06-26	Pattegummi.
NL148116B (nl)	1975-12-15	Weeflis.
DK120686B (da)	1971-06-28	Umagnetisk trædemine.
NL139629B (nl)	1973-08-15	Veldeffecttranssistor.
AT247019B (de)	1966-05-25	Magnetkopf
FR3840M (fr)	1966-01-17	Chlorothioxanthenes substitués.
DK114418B (da)	1969-06-30	Udløsemagnet.
DK135139B (da)	1977-03-07	Elektromagnet.
NL144671B (nl)	1975-01-15	Spindop.
NL142340B (nl)	1974-06-17	Gieteling.
NL144415B (nl)	1974-12-16	Magneetkop.
DK111964B (da)	1968-10-28	Flerdelsmagnethoved.
DK106699C (da)	1967-03-06	Magnetkompas.
AT249195B (de)	1966-09-12	Elektromagnet
FR1513213A (fr)	1968-02-16	Agenda
DK122355B (da)	1972-02-21	Magnethovedarrangement.
ES97184Y (es)	1964-03-16	Cabezal
DK106663C (da)	1967-02-27	Magnetkompas.
ES99490Y (es)	1964-02-01	Agenda perfeccionada