FR1445660A - Dispositif d'enregistrement et de lecture magnétique - Google Patents

Dispositif d'enregistrement et de lecture magnétique

Info

Publication number
FR1445660A
FR1445660A FR19185A FR19185A FR1445660A FR 1445660 A FR1445660 A FR 1445660A FR 19185 A FR19185 A FR 19185A FR 19185 A FR19185 A FR 19185A FR 1445660 A FR1445660 A FR 1445660A
Authority
FR
France
Prior art keywords
magnetic recording
playback device
playback
recording
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
FR19185A
Other languages
English (en)
Inventor
Andre Jacques Judeinstein
Jerzy Marek Tyszka
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.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications SA
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 Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR19185A priority Critical patent/FR1445660A/fr
Priority to GB2391366A priority patent/GB1112804A/en
Application granted granted Critical
Publication of FR1445660A publication Critical patent/FR1445660A/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
    • G11B5/48—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
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4969—Details for track selection or addressing
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/23—Gap features
    • 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
FR19185A 1965-06-02 1965-06-02 Dispositif d'enregistrement et de lecture magnétique Expired FR1445660A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR19185A FR1445660A (fr) 1965-06-02 1965-06-02 Dispositif d'enregistrement et de lecture magnétique
GB2391366A GB1112804A (en) 1965-06-02 1966-05-27 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR19185A FR1445660A (fr) 1965-06-02 1965-06-02 Dispositif d'enregistrement et de lecture magnétique

Publications (1)

Publication Number Publication Date
FR1445660A true FR1445660A (fr) 1966-07-15

Family

ID=8580549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR19185A Expired FR1445660A (fr) 1965-06-02 1965-06-02 Dispositif d'enregistrement et de lecture magnétique

Country Status (2)

Country Link
FR (1) FR1445660A (fr)
GB (1) GB1112804A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232588A2 (fr) * 1986-01-03 1987-08-19 Jerome Hal Lemelson Appareil, système et méthode d'enregistrement et de reproduction magnétique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232588A2 (fr) * 1986-01-03 1987-08-19 Jerome Hal Lemelson Appareil, système et méthode d'enregistrement et de reproduction magnétique
EP0232588A3 (fr) * 1986-01-03 1988-08-17 Jerome Hal Lemelson Appareil, système et méthode d'enregistrement et de reproduction magnétique

Also Published As

Publication number Publication date
GB1112804A (en) 1968-05-08

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