GB1239363A - - Google Patents

Info

Publication number
GB1239363A
GB1239363A GB1239363DA GB1239363A GB 1239363 A GB1239363 A GB 1239363A GB 1239363D A GB1239363D A GB 1239363DA GB 1239363 A GB1239363 A GB 1239363A
Authority
GB
United Kingdom
Prior art keywords
transducers
erase
record
playback
jan
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1239363A publication Critical patent/GB1239363A/en
Expired legal-status Critical Current

Links

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
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/105—Mounting of head within housing or assembling of head and housing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
GB1239363D 1969-01-29 1970-01-23 Expired GB1239363A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79491869A 1969-01-29 1969-01-29

Publications (1)

Publication Number Publication Date
GB1239363A true GB1239363A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-07-14

Family

ID=25164082

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239363D Expired GB1239363A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-01-29 1970-01-23

Country Status (8)

Country Link
US (1) US3590168A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4913015B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE744990A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH513484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE7002553U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2029603A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1239363A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7000215A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978523A (en) * 1969-03-10 1976-08-31 Matsushita Electric Industrial Co., Ltd. Multi-channel dual-gap magnetic head
US3751599A (en) * 1970-11-24 1973-08-07 Victor Company Of Japan Magnetic head having multiple head cores
BE790000A (fr) * 1971-10-12 1973-02-01 Ampex Tete d'enregistrement et de lecture magnetiques
IT949830B (it) * 1972-03-03 1973-06-11 Honeywell Spa Testina magnetica bitraccia
US3936884A (en) * 1974-07-03 1976-02-03 Magtech Industries, Inc. Magnetic tape head with clamped core holders
JPS56163516A (en) 1980-05-19 1981-12-16 Pioneer Electronic Corp Magnetic head and its production
NL8006715A (nl) * 1980-12-11 1982-07-01 Philips Nv Magneetkop en werkwijze voor het vervaardigen van een magneetkop.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418542A (en) * 1944-01-20 1947-04-08 Armour Res Found Magnetizing and erasing head arrangement for magnetic recorders
US2793253A (en) * 1950-10-20 1957-05-21 Winfield S Brooks Telegraphone recording and reproducing system
US2736776A (en) * 1951-06-02 1956-02-28 Armour Res Found Magnetic recorder head assembly
US3037089A (en) * 1956-11-01 1962-05-29 Rca Corp Angled transducer heads to minimize magnetic coupling
US3316359A (en) * 1963-05-20 1967-04-25 Winston Res Corp Transducer head utilizing electro-magnetic shielding for cross-talk elimination
US3412216A (en) * 1965-01-13 1968-11-19 Headmaster Electronics Corp Combination record-reproduce and erase magnetic head
US3521006A (en) * 1968-05-23 1970-07-21 Nortronics Co Multichannel combination erase and record-reproduce magnetic transducer

Also Published As

Publication number Publication date
DE2003376A1 (de) 1970-08-06
DE7002553U (de) 1971-05-19
NL7000215A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-07-31
US3590168A (en) 1971-06-29
BE744990A (fr) 1970-07-01
FR2029603A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-10-23
CH513484A (fr) 1971-09-30
JPS4913015B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-03-28

Similar Documents

Publication Publication Date Title
GB1277177A (en) Magnetically recording and reproducing information
GB940967A (en) Improved magnetic head for recording and reading information on a magnetic medium
GB1239363A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB1222268A (en) Magnetic transducer for low-error rate recording and reproduction
GB1134319A (en) Heads for magnetic-recording apparatus
GB1020747A (en) Improvements in or relating to apparatus for recording and/or reproducing information
GB1450443A (en) Magnetic transducer head assembly
GB1284906A (en) Magnetic head assembly
GB1233683A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR1227533A (fr) Perfectionnements apportés aux têtes transductrices électromagnétiques et aux systèmes pour l'enregistrement et la reproduction de signaux électriques enregistrés magnétiquement
GB734101A (en) Means for producing dispersion in electrical oscillations
GB1121624A (en) Improvements in and relating to magetic heads
GB1418183A (en) Magnetic head assembly
GB913296A (en) Improvements in or relating to double multi-channel magnetic heads
GB1070467A (en) Magnetic heads
GB504932A (en) Improvements relating to the magnetic recording or reproducing of sound
GB1036001A (en) Electromagnetic transducer head
GB1189713A (en) Electro-Magnetic Transducer Head.
GB693346A (en) Improvements in or relating to magnetic recorder head assembly
ES309894A1 (es) Dispositivo para reducir o eliminar la influencia relativa de las partes de un cabezal magnetico multiple para grabar y reproducir una o mas grabaciones paralelas.
JPS5441122A (en) Magnetic head core block
GB796734A (en) Magnetic recorder and reproducer
GB1245064A (en) Magnetic head apparatus
GB963219A (en) Improvements in and relating to sound recording and reproducing apparatus
GB833876A (en) Improvements in heads for magnetic tape apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees