NL156849B - Magnetische schrijf-lees-wiskop. - Google Patents

Magnetische schrijf-lees-wiskop.

Info

Publication number: NL156849B
Authority: NL; Netherlands
Prior art keywords: erashead; read; magnetic write; write; magnetic
Prior art date: 1966-09-15

Application number

NL6613007.A

Other languages

English (en)

Other versions

NL6613007A (nl

Inventor

Jules Bos

Jacob Koorneef

George Ludwig Ir Walther

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.)

1966-09-15

Filing date

1966-09-15

Publication date

1978-05-16

1966-09-15 Application filed by Philips Nv filed Critical Philips Nv

1966-09-15 Priority to NL6613007.A priority Critical patent/NL156849B/nl

1967-08-26 Priority to DE19671524959 priority patent/DE1524959A1/de

1967-09-12 Priority to AT833267A priority patent/AT274417B/de

1967-09-12 Priority to US667190A priority patent/US3485958A/en

1967-09-13 Priority to GB41731/67A priority patent/GB1134319A/en

1967-09-13 Priority to BE703846D priority patent/BE703846A/xx

1967-09-15 Priority to FR121104A priority patent/FR1537327A/fr

1968-03-18 Publication of NL6613007A publication Critical patent/NL6613007A/xx

1978-05-16 Publication of NL156849B publication Critical patent/NL156849B/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
- 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

Landscapes

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

NL6613007.A 1966-09-15 1966-09-15 Magnetische schrijf-lees-wiskop. NL156849B (nl)

Priority Applications (7)

Application Number	Priority Date	Filing Date	Title
NL6613007.A NL156849B (nl)	1966-09-15	1966-09-15	Magnetische schrijf-lees-wiskop.
DE19671524959 DE1524959A1 (de)	1966-09-15	1967-08-26	Zusammengestellter Magnetkopf mit einem Schreib-/Lesekopf und zwei Loeschkoepfen
AT833267A AT274417B (de)	1966-09-15	1967-09-12	Zusammengesetzter Magnetkopf mit einem Schreib-/Lesekopf und zwei Löschköpfen
US667190A US3485958A (en)	1966-09-15	1967-09-12	Composite magnetic recording and/or play-back head with two side erasing heads having electrically conductive strips
GB41731/67A GB1134319A (en)	1966-09-15	1967-09-13	Heads for magnetic-recording apparatus
BE703846D BE703846A (nl)	1966-09-15	1967-09-13
FR121104A FR1537327A (fr)	1966-09-15	1967-09-15	Tête de magnétophone permettant l'inscription et l'effacement

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL6613007.A NL156849B (nl)	1966-09-15	1966-09-15	Magnetische schrijf-lees-wiskop.

Publications (2)

Publication Number	Publication Date
NL6613007A NL6613007A (nl)	1968-03-18
NL156849B true NL156849B (nl)	1978-05-16

Family

ID=19797676

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL6613007.A NL156849B (nl)	1966-09-15	1966-09-15	Magnetische schrijf-lees-wiskop.

Country Status (6)

Country	Link
US (1)	US3485958A (nl)
AT (1)	AT274417B (nl)
BE (1)	BE703846A (nl)
DE (1)	DE1524959A1 (nl)
GB (1)	GB1134319A (nl)
NL (1)	NL156849B (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1291615A (en) *	1970-05-26	1972-10-04	Int Computers Ltd	Improvements in or relating to magnetic recording apparatus
JPS4838826U (nl) *	1971-09-10	1973-05-14
NL7210323A (nl) *	1972-07-26	1974-01-29
US3936879A (en) *	1973-03-16	1976-02-03	Century Data Systems, Inc.	Cartridge type plaint disc apparatus
US3852812A (en) *	1973-07-25	1974-12-03	Potter Instrument Co Inc	Symmetrical direct current tunnel erasing
US3964103A (en) *	1975-05-19	1976-06-15	Shugart Associates, Inc.	Magnetic transducer with trim erase and housing therefor
JPS545417A (en) *	1977-06-14	1979-01-16	Tdk Corp	Magnetic head
US4176384A (en) *	1978-05-15	1979-11-27	Yang Electromagnetics Systems Inc.	Magnetic recording head assembly defining precision gaps
US4300179A (en) *	1979-09-04	1981-11-10	Minnesota Mining And Manufacturing Co.	Composite magnetic head with multitrack support structure
US4276574A (en) *	1979-12-06	1981-06-30	International Business Machines Corporation	Read/write and tunnel erase magnetic head assembly
US4819107A (en) *	1984-08-29	1989-04-04	Irwin Magnetic Systems, Inc.	Magnetic transducer head structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2428449A (en) *	1945-03-02	1947-10-07	Armour Res Found	Magnetic recording head

1966
- 1966-09-15 NL NL6613007.A patent/NL156849B/nl unknown
1967
- 1967-08-26 DE DE19671524959 patent/DE1524959A1/de active Pending
- 1967-09-12 US US667190A patent/US3485958A/en not_active Expired - Lifetime
- 1967-09-12 AT AT833267A patent/AT274417B/de active
- 1967-09-13 GB GB41731/67A patent/GB1134319A/en not_active Expired
- 1967-09-13 BE BE703846D patent/BE703846A/xx unknown

Also Published As

Publication number	Publication date
NL6613007A (nl)	1968-03-18
DE1524959A1 (de)	1970-12-10
GB1134319A (en)	1968-11-20
US3485958A (en)	1969-12-23
AT274417B (de)	1969-09-25
BE703846A (nl)	1968-02-01

Publication	Publication Date	Title
DK123139B (da)	1972-05-23	Blebukser.
DK130947B (da)	1975-05-12	Lynlås.
DK138576B (da)	1978-10-02	Lynlås.
NL156528B (nl)	1978-04-17	Magnetische schrijf-lees-wiskop.
DK123626B (da)	1972-07-17	Sæbestift.
NL156849B (nl)	1978-05-16	Magnetische schrijf-lees-wiskop.
DK130890B (da)	1975-04-28	Lineholder.
DK124917C (da)	1973-06-12	Lynlås.
DK118979B (da)	1970-10-26	Mideovicid.
DK111837B (da)	1968-10-14	Magnetåg.
DK111200B (da)	1968-06-24	Lastpalle.
DK111990B (da)	1968-10-28	Tachistoskop.
DK118511B (da)	1970-08-31	Elektrostencil.
ES122200Y (es)	1967-04-01	Banderilla.
DK127020B (da)	1973-09-10	Drivarrangement.
ES118787Y (es)	1966-06-16	Pulsera magnetica.
ES123258Y (es)	1968-05-01	Valvula magnetica.
ES126258Y (es)	1968-01-16	Juego magnetico.
ES126256Y (es)	1968-01-16	Juego magnetico.
NL145698B (nl)	1975-04-15	Magnetische transducent.
ES123480Y (es)	1968-12-16	Filtro magnetico.
DK122355B (da)	1972-02-21	Magnethovedarrangement.
ES124574Y (es)	1967-07-01	Divan.
ES125304Y (es)	1968-11-01	Muneco osculador.
DK109299C (da)	1968-04-08	Pattegummi.