CH412001A - Dispositivo per la registrazione e lettura di informazioni da un tamburo magnetico - Google Patents

Dispositivo per la registrazione e lettura di informazioni da un tamburo magnetico

Info

Publication number
CH412001A
CH412001A CH562861A CH562861A CH412001A CH 412001 A CH412001 A CH 412001A CH 562861 A CH562861 A CH 562861A CH 562861 A CH562861 A CH 562861A CH 412001 A CH412001 A CH 412001A
Authority
CH
Switzerland
Prior art keywords
recording
reading information
magnetic drum
drum
magnetic
Prior art date
Application number
CH562861A
Other languages
English (en)
Inventor
Frazer Welsh Herbert
Original Assignee
Sperry Rand Corp
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 by Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of CH412001A publication Critical patent/CH412001A/it

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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/488—Disposition of heads
    • 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
    • G11B5/004—Recording on, or reproducing or erasing from, magnetic drums
    • 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
    • G11B5/127—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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
CH562861A 1960-05-13 1961-05-13 Dispositivo per la registrazione e lettura di informazioni da un tamburo magnetico CH412001A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28881A US3132214A (en) 1960-05-13 1960-05-13 Magnetic recorder head assembly

Publications (1)

Publication Number Publication Date
CH412001A true CH412001A (it) 1966-04-30

Family

ID=21846033

Family Applications (1)

Application Number Title Priority Date Filing Date
CH562861A CH412001A (it) 1960-05-13 1961-05-13 Dispositivo per la registrazione e lettura di informazioni da un tamburo magnetico

Country Status (4)

Country Link
US (1) US3132214A (it)
CH (1) CH412001A (it)
GB (1) GB943558A (it)
NL (2) NL121891C (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325795A (en) * 1963-05-20 1967-06-13 Cons Electrodynamics Corp High resolution digital magnetic head with flux focusing shield
NL6402051A (it) * 1964-02-29 1965-08-30
NL156528B (nl) * 1966-09-15 1978-04-17 Philips Nv Magnetische schrijf-lees-wiskop.
GB1291615A (en) * 1970-05-26 1972-10-04 Int Computers Ltd Improvements in or relating to magnetic recording apparatus
US3668332A (en) * 1970-08-26 1972-06-06 Xerox Corp Magnetic recording heat which accurately defines the width of the recording track
US3859664A (en) * 1973-07-09 1975-01-07 Honeywell Inf Systems Batch fabricated thin-film transducers having a common pole with tunnel erase poles and a plurality of read/write poles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538892A (en) * 1946-12-04 1951-01-23 Brush Dev Co System to prevent accidental rerecording on a magnetic record
US2668878A (en) * 1950-07-29 1954-02-09 Webster Electric Co Inc Transducer
US2736776A (en) * 1951-06-02 1956-02-28 Armour Res Found Magnetic recorder head assembly
US2987582A (en) * 1955-08-12 1961-06-06 Sperry Rand Corp Multichannel magnetic erasing heads
US2927974A (en) * 1956-08-29 1960-03-08 Sperry Rand Corp Magnetic transducer

Also Published As

Publication number Publication date
US3132214A (en) 1964-05-05
NL121891C (it)
NL264552A (it)
GB943558A (en) 1963-12-04

Similar Documents

Publication Publication Date Title
CH366161A (fr) Dispositif magnétique d'emmagasinage d'informations
CH395181A (de) Informations-Aufzeichnungseinrichtung
AT225973B (de) Kassetteneinrichtung für einen bandförmigen Aufzeichnungsträger
AT274416B (de) Permanentmagnetische Löscheinrichtung für magnetisierbare Aufzeichnungsträger
CH364527A (fr) Dispositif magnétique d'emmagasinage d'informations
CH377407A (de) Leseverfahren für magnetisch aufgezeichnete binäre Informationen
DK109056C (da) Magnetisk registrerings- og gengiveapparat.
CH412001A (it) Dispositivo per la registrazione e lettura di informazioni da un tamburo magnetico
NL160961C (nl) Magnetische gegevensregistratie- en leesinrichting.
CH411039A (de) Magnetische Informationsspeichervorrichtung
FR78473E (fr) Dispositif d'enregistrement d'informations
FR80334E (fr) Système d'enregistrement magnétique
CH376964A (fr) Dispositif de mise en mémoire de données à tambour magnétique
FR1245808A (fr) Dispositif d'enregistrement d'informations
BE585210A (fr) Tourne-disque pour électrophones on magnétophones.
FR1340123A (fr) Machine lectrice de bandes porteuses d'un enregistrement
FR1258868A (fr) Dispositif de lecture et d'inscription pour mémoire à noyaux magnétiques
FR1262331A (fr) Dispositif magnétique d'enregistrement et de reproduction et éléement enregistreur pour ce dispositif
AT244079B (de) Flanschspule für einen bandförmigen Aufzeichnungsträger
CH414187A (de) Spuleinrichtung für ein Bandaufzeichnungs- und -wiedergabegerät
FR1262931A (fr) Dispositif d'emmagasinage de données à disque magnétique
BE602060R (fr) Dispositif pour la mise en mémoire magnétique de données
FR1201076A (fr) Dispositif d'enregistrement magnétique
FR1268049A (fr) Dispositif de manipulation de données d'information
CH392913A (de) Magnetton-Aufnahme- und -Wiedergabe-Gerät