FR1179311A - Transducteur magnétique - Google Patents

Transducteur magnétique

Info

Publication number
FR1179311A
FR1179311A FR1179311DA FR1179311A FR 1179311 A FR1179311 A FR 1179311A FR 1179311D A FR1179311D A FR 1179311DA FR 1179311 A FR1179311 A FR 1179311A
Authority
FR
France
Prior art keywords
magnetic transducer
transducer
magnetic
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1179311A publication Critical patent/FR1179311A/fr
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
    • 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
FR1179311D 1956-04-26 1957-04-23 Transducteur magnétique Expired FR1179311A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US580894A US2922231A (en) 1956-04-26 1956-04-26 Magnetic transducer

Publications (1)

Publication Number Publication Date
FR1179311A true FR1179311A (fr) 1959-05-22

Family

ID=24323018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1179311D Expired FR1179311A (fr) 1956-04-26 1957-04-23 Transducteur magnétique

Country Status (2)

Country Link
US (1) US2922231A (fr)
FR (1) FR1179311A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1186657B (de) * 1961-01-23 1965-02-04 Ampex Pruef- bzw. UEberwachungseinrichtung zur gleichzeitigen Aufnahme und Wiedergabe von Informationen auf einen magnetischen Aufzeichnungstraeger

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041413A (en) * 1957-08-29 1962-06-26 Armour Res Found Electromagnetic transducer head
US3104381A (en) * 1958-11-05 1963-09-17 Burroughs Corp Magnetic record transducer
FR1265942A (fr) * 1960-05-25 1961-07-07 Bull Sa Machines Tête magnétique double multivoie
NL296111A (fr) * 1961-06-07
US3274573A (en) * 1961-08-21 1966-09-20 Burroughs Corp Magnetic transducer
US3249928A (en) * 1961-09-22 1966-05-03 Burroughs Corp Magnetic transducer
US3173135A (en) * 1962-07-23 1965-03-09 Gen Precision Inc Disc-type adjustable circulating register for binary signals
US3252153A (en) * 1962-10-01 1966-05-17 Cons Electrodynamics Corp Cross-feed shield
US3355727A (en) * 1963-07-24 1967-11-28 Donald C Gaubatz Shield utilized as flux path for magnetic head
NL299035A (fr) * 1963-10-09
NL145079B (nl) * 1964-02-25 1975-02-17 Philips Nv Inrichting voor het verminderen, c.q. opheffen van overspraak bij een dubbelspleetsmagneetkop.
NL6402051A (fr) * 1964-02-29 1965-08-30
US3384882A (en) * 1964-03-04 1968-05-21 Philips Corp Asymmetrically gapped multiple magnetic head
NL145697B (nl) * 1964-10-10 1975-04-15 Philips Nv Meervoudige magneetkop voor het optekenen, weergeven en/of wissen van magnetische registraties, alsmede werkwijze voor het vervaardigen van een meervoudige magneetkop.
US3439354A (en) * 1965-05-24 1969-04-15 Burroughs Corp Average speed checker for tape transport
US3417386A (en) * 1965-10-11 1968-12-17 Cons Electrodynamics Corp Magnetic head assembly
US3499214A (en) * 1965-10-11 1970-03-10 Bell & Howell Co Method of making stationary head for magnetic storage mediums
BE790000A (fr) * 1971-10-12 1973-02-01 Ampex Tete d'enregistrement et de lecture magnetiques
US3806902A (en) * 1972-05-15 1974-04-23 Nortronics Co Magnetic head read-to-write gap crossfeed shielding
JPS546413Y2 (fr) * 1977-06-09 1979-03-26
US4311356A (en) * 1980-01-23 1982-01-19 Levitt Myron B Transducer head having pin type connectors

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565191A (en) * 1949-01-12 1951-08-21 Armour Res Found Eddy current shield in electromagnetic transducer head
US2618709A (en) * 1949-07-16 1952-11-18 Eckert Mauchly Comp Corp Cylindrical contact magnetic head
BE499360A (fr) * 1949-11-16
US2563850A (en) * 1950-07-05 1951-08-14 Ampex Electric Corp Magnetic tape recorder
US2763729A (en) * 1950-11-03 1956-09-18 Armour Res Found Core structure for magnetic transducer head
US2769036A (en) * 1951-04-02 1956-10-30 Ampex Electric Corp Multiple head for magnetic recording and reproduction
US2658114A (en) * 1952-08-26 1953-11-03 Bell Telephone Labor Inc Magnetic recording-reproducing device
US2871464A (en) * 1954-02-17 1959-01-27 Int Standard Electric Corp Methods of recording intelligence
US2848556A (en) * 1954-08-02 1958-08-19 Rca Corp Magnetic recording transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1186657B (de) * 1961-01-23 1965-02-04 Ampex Pruef- bzw. UEberwachungseinrichtung zur gleichzeitigen Aufnahme und Wiedergabe von Informationen auf einen magnetischen Aufzeichnungstraeger

Also Published As

Publication number Publication date
US2922231A (en) 1960-01-26

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