FR1350975A - Support à piste magnétique hélicoïdale pour l'enregistrement de sons ou d'impulsions, et dispositif pour son emploi - Google Patents

Support à piste magnétique hélicoïdale pour l'enregistrement de sons ou d'impulsions, et dispositif pour son emploi

Info

Publication number
FR1350975A
FR1350975A FR8609A FR42008609A FR1350975A FR 1350975 A FR1350975 A FR 1350975A FR 8609 A FR8609 A FR 8609A FR 42008609 A FR42008609 A FR 42008609A FR 1350975 A FR1350975 A FR 1350975A
Authority
FR
France
Prior art keywords
impulses
magnetic track
helical magnetic
track holder
recording sounds
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
FR8609A
Other languages
English (en)
French (fr)
Inventor
Stellino Bianchini
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.)
Publicitas SA
Original Assignee
Publicitas 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 Publicitas SA filed Critical Publicitas SA
Application granted granted Critical
Publication of FR1350975A publication Critical patent/FR1350975A/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
    • 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
    • G11B5/48—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
    • G11B5/54—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 with provision for moving the head into or out of its operative position or across tracks
    • 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
    • G11B5/58—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/76—Drum carriers
FR8609A 1962-02-09 1963-02-07 Support à piste magnétique hélicoïdale pour l'enregistrement de sons ou d'impulsions, et dispositif pour son emploi Expired FR1350975A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT261062 1962-02-09

Publications (1)

Publication Number Publication Date
FR1350975A true FR1350975A (fr) 1964-01-31

Family

ID=11103162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8609A Expired FR1350975A (fr) 1962-02-09 1963-02-07 Support à piste magnétique hélicoïdale pour l'enregistrement de sons ou d'impulsions, et dispositif pour son emploi

Country Status (3)

Country Link
BE (1) BE628203A (enrdf_load_stackoverflow)
CH (1) CH392098A (enrdf_load_stackoverflow)
FR (1) FR1350975A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515457A1 (fr) * 1981-10-27 1983-04-29 Victor Company Of Japan Support d'enregistrement cylindrique pour appareil d'enregistrement et/ou de reproduction
FR2515460A1 (fr) * 1981-10-27 1983-04-29 Victor Company Of Japan Appareil d'enregistrement et de reproduction d'images

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515457A1 (fr) * 1981-10-27 1983-04-29 Victor Company Of Japan Support d'enregistrement cylindrique pour appareil d'enregistrement et/ou de reproduction
FR2515460A1 (fr) * 1981-10-27 1983-04-29 Victor Company Of Japan Appareil d'enregistrement et de reproduction d'images
US4567535A (en) * 1981-10-27 1986-01-28 Victor Company Of Japan, Ltd. Recording and/or reproducing apparatus
US4604667A (en) * 1981-10-27 1986-08-05 Victor Company Of Japan, Ltd. Recording medium for recording and/or reproducing apparatus

Also Published As

Publication number Publication date
BE628203A (enrdf_load_stackoverflow)
CH392098A (it) 1965-05-15

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