NL162495C - Meerkanaals magneetkop. - Google Patents

Meerkanaals magneetkop.

Info

Publication number: NL162495C
Authority: NL; Netherlands
Prior art keywords: magnetic head; channel magnetic; channel; head; magnetic
Prior art date: 1969-03-10

Application number

NL7003180.A

Other languages

English (en)

Original Assignee

Matsushita Electric Ind Co Ltd

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.)

1969-03-10

Publication of NL162495C publication Critical patent/NL162495C/nl

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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F2700/00—Tobacco pipes; Bad-covers or accessories for smokers' pipes
- A24F2700/03—Pipes with cooling or zigzag circulation of the smoke
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)

NL7003180.A 1969-03-10 Meerkanaals magneetkop. NL162495C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1968069A JPS5345685B1 (nl)	1969-03-10	1969-03-10

Publications (1)

Publication Number	Publication Date
NL162495C true NL162495C (nl)

Family

ID=12005933

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL7003180.A NL162495C (nl)	1969-03-10		Meerkanaals magneetkop.
NL7003180.A NL162495B (nl)	1969-03-10	1970-03-05	Meerkanaals magneetkop.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL7003180.A NL162495B (nl)	1969-03-10	1970-03-05	Meerkanaals magneetkop.

Country Status (7)

Country	Link
US (1)	US3672044A (nl)
JP (1)	JPS5345685B1 (nl)
CA (1)	CA930062A (nl)
DE (1)	DE2011558C3 (nl)
FR (1)	FR2037828A5 (nl)
GB (1)	GB1307608A (nl)
NL (2)	NL162495B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1340422A (en) *	1971-01-26	1973-12-12	Int Computers Ltd	Methods of making cores for magnetic recording and reproducing heads
US3851375A (en) *	1972-05-08	1974-12-03	Philips Corp	Method of bonding together mouldings of sintered oxidic ferromagnetic material
FR2194012B1 (nl) *	1972-07-26	1974-12-27	Sfim
NL7304528A (nl) *	1973-03-31	1974-10-02
US4533967A (en) *	1982-10-22	1985-08-06	Ampex Corporation	Multiple leg multichannel magnetic transducer structure and method of manufacturing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL278197A (nl) *	1962-05-08
US3353261A (en) *	1964-12-30	1967-11-21	Ibm	Method of making a multitrack magnetic transducer head
NL149020B (nl) *	1965-01-14	1976-03-15	Philips Nv	Werkwijze voor het vervaardigen van een poolschoeneenheid voor een magneetkop, alsmede poolschoeneenheid, vervaardigd volgens deze werkwijze.
US3543396A (en) *	1967-01-17	1970-12-01	Zbigniew Illg	Method of multi-track,two-gap,ferrite magnetic heads designed especially for digital recording

0
- NL NL7003180.A patent/NL162495C/nl active
1969
- 1969-03-10 JP JP1968069A patent/JPS5345685B1/ja active Pending
1970
- 1970-03-04 US US16320A patent/US3672044A/en not_active Expired - Lifetime
- 1970-03-05 NL NL7003180.A patent/NL162495B/nl not_active IP Right Cessation
- 1970-03-05 CA CA076554A patent/CA930062A/en not_active Expired
- 1970-03-06 DE DE2011558A patent/DE2011558C3/de not_active Expired
- 1970-03-09 FR FR7008361A patent/FR2037828A5/fr not_active Expired
- 1970-03-10 GB GB1158370A patent/GB1307608A/en not_active Expired

Also Published As

Publication number	Publication date
DE2011558A1 (de)	1970-11-19
FR2037828A5 (nl)	1970-12-31
GB1307608A (en)	1973-02-21
NL162495B (nl)	1979-12-17
JPS5345685B1 (nl)	1978-12-08
DE2011558B2 (de)	1979-09-27
CA930062A (en)	1973-07-10
US3672044A (en)	1972-06-27
DE2011558C3 (de)	1980-07-10
NL7003180A (nl)	1970-09-14

Publication	Publication Date	Title
NL179853C (nl)	1986-11-17	Magneetkop.
AT314691B (de)	1974-04-25	Spulenanordnung
CH518608A (de)	1972-01-31	Magnetkopfanordnung
DK124049B (da)	1972-09-04	Magnetisk pick-up.
CH495602A (de)	1970-08-31	Magnetkopfanordnung
NL161281C (nl)	1980-01-15	Magnetische transducent.
NL163347C (nl)	1980-08-15	Magneetkop.
DK137296C (da)	1978-07-10	Magnethoved,isaer slettehoved
DK137656B (da)	1978-04-10	Magnethoved.
NL155953B (nl)	1978-02-15	Magnetometer.
NL162495C (nl)		Meerkanaals magneetkop.
NL163345C (nl)	1980-08-15	Magnetische aftastkop.
NL159518B (nl)	1979-02-15	Magneetkopsamenstel.
NL168982C (nl)	1982-05-17	Slijtage-arme magneetkop.
BE752299A (fr)	1970-12-01	Noyau magnetique
NL162226C (nl)	1979-11-15	Magneetkop.
CH502951A (de)	1971-02-15	Zaumzeug
CH495519A (de)	1970-08-31	Magnetventil
SE384148B (sv)	1976-04-26	Strengpressningshuvud
NL163346C (nl)	1980-08-15	Meerkanaals-magneetkop.
NL168980C (nl)	1982-05-17	Magneetkopsamenstel.
BE746701A (fr)	1970-08-27	Enroulements perfectionnes
DK121981B (da)	1971-12-27	Magnethovedkerne.
AT315526B (de)	1974-05-27	Magnetkopf
AT309844B (de)	1973-09-10	Magnetkopf