FR1414958A - Perfectionnements aux dispositifs pour enregistrer des données numériques sur bandes magnétiques - Google Patents

Perfectionnements aux dispositifs pour enregistrer des données numériques sur bandes magnétiques

Info

Publication number
FR1414958A
FR1414958A FR987952A FR987952A FR1414958A FR 1414958 A FR1414958 A FR 1414958A FR 987952 A FR987952 A FR 987952A FR 987952 A FR987952 A FR 987952A FR 1414958 A FR1414958 A FR 1414958A
Authority
FR
France
Prior art keywords
enhancements
devices
digital data
magnetic tapes
recording digital
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
FR987952A
Other languages
English (en)
Inventor
Owen Storey
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR987952A priority Critical patent/FR1414958A/fr
Priority to GB38222/65A priority patent/GB1078427A/en
Priority to US486134A priority patent/US3457557A/en
Application granted granted Critical
Publication of FR1414958A publication Critical patent/FR1414958A/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
    • G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • G11B5/531—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis
    • G11B5/535—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis perpendicular to the direction of movement of the tape, e.g. for longitudinal scanning
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/14—Masking or switching periodically, e.g. of rotating heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
    • G11B5/00839—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using cyclically driven heads providing segmented tracks
FR987952A 1964-09-12 1964-09-12 Perfectionnements aux dispositifs pour enregistrer des données numériques sur bandes magnétiques Expired FR1414958A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR987952A FR1414958A (fr) 1964-09-12 1964-09-12 Perfectionnements aux dispositifs pour enregistrer des données numériques sur bandes magnétiques
GB38222/65A GB1078427A (en) 1964-09-12 1965-09-07 Magnetic tape recorder
US486134A US3457557A (en) 1964-09-12 1965-09-09 Rotary transducer recording parallel to the direction of tape movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR987952A FR1414958A (fr) 1964-09-12 1964-09-12 Perfectionnements aux dispositifs pour enregistrer des données numériques sur bandes magnétiques

Publications (1)

Publication Number Publication Date
FR1414958A true FR1414958A (fr) 1965-10-22

Family

ID=8838257

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987952A Expired FR1414958A (fr) 1964-09-12 1964-09-12 Perfectionnements aux dispositifs pour enregistrer des données numériques sur bandes magnétiques

Country Status (3)

Country Link
US (1) US3457557A (fr)
FR (1) FR1414958A (fr)
GB (1) GB1078427A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1445337A (en) * 1972-08-24 1976-08-11 Independent Broadcastin Author Television systems
US4285016A (en) * 1979-06-04 1981-08-18 Microcomputer Systems Corp. Disc, tape and hybrid disc-tape memory apparatus and drive assembly
JPS60116660U (ja) * 1983-12-31 1985-08-07 アルプス電気株式会社 磁気記録再生装置
SG25176G (en) * 1985-03-16 1990-08-03 Thomson Brandt Gmbh Method for recording a signal on a record carrier in the form of a tape

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886650A (en) * 1952-10-22 1959-05-12 Univ Illinois Recording device
US2903521A (en) * 1955-09-12 1959-09-08 John V Ellison Band expansion recorder

Also Published As

Publication number Publication date
GB1078427A (en) 1967-08-09
US3457557A (en) 1969-07-22

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