IT1012919B - Dispositivo per la registrazione termomagnetica di informazioni - Google Patents

Dispositivo per la registrazione termomagnetica di informazioni

Info

Publication number
IT1012919B
IT1012919B IT23303/74A IT2330374A IT1012919B IT 1012919 B IT1012919 B IT 1012919B IT 23303/74 A IT23303/74 A IT 23303/74A IT 2330374 A IT2330374 A IT 2330374A IT 1012919 B IT1012919 B IT 1012919B
Authority
IT
Italy
Prior art keywords
information
thermomagnetic recording
thermomagnetic
recording
Prior art date
Application number
IT23303/74A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1012919B publication Critical patent/IT1012919B/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
    • G11B5/02—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
    • G11B5/48—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
    • 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
    • G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
    • G11B5/865—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers by contact "printing"
IT23303/74A 1973-06-01 1974-05-28 Dispositivo per la registrazione termomagnetica di informazioni IT1012919B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7307626A NL7307626A (it) 1973-06-01 1973-06-01

Publications (1)

Publication Number Publication Date
IT1012919B true IT1012919B (it) 1977-03-10

Family

ID=19818980

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23303/74A IT1012919B (it) 1973-06-01 1974-05-28 Dispositivo per la registrazione termomagnetica di informazioni

Country Status (8)

Country Link
US (1) US3969765A (it)
JP (1) JPS5716401B2 (it)
CA (1) CA1030257A (it)
DE (1) DE2425641C3 (it)
FR (1) FR2232164B1 (it)
GB (1) GB1452816A (it)
IT (1) IT1012919B (it)
NL (1) NL7307626A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107121A (ja) * 1975-03-17 1976-09-22 Yoshifumi Sakurai Hikarijikikirokuhoshiki
JPS53145326A (en) * 1977-05-23 1978-12-18 Kouchi Biken Kk Method of forming concrete structure
US4277806A (en) * 1979-05-14 1981-07-07 Eastman Technology, Inc. Magnetic recording using recording media having temperature dependent coercivity
JPS57158004A (en) * 1981-03-24 1982-09-29 Toshiba Corp Magnetic transfer recorder
JPS57162137A (en) * 1981-03-28 1982-10-05 Kokusai Denshin Denwa Co Ltd <Kdd> Photomagnetic recording and reproducing system
US4633455A (en) * 1985-03-25 1986-12-30 Rca Corporation Headwheel for a multiple beam optical tape playback system
US5070487A (en) * 1990-01-31 1991-12-03 General Electric Company Magneto-optic media recording system including a directed magnetic bias flux

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1449692B2 (de) * 1964-02-29 1971-04-01 Agfa Ag, 5090 Leverkusen Magnetisches aufzeichnungsverfahren
US3404241A (en) * 1965-02-12 1968-10-01 Ampex Helical scan magnetic tape apparatus with self-energized air lubrication
US3626114A (en) * 1969-03-10 1971-12-07 California Inst Of Techn Thermomagnetic recording and magneto-optic playback system
US3611420A (en) * 1969-05-02 1971-10-05 Bell & Howell Co Curie point recording by utilization of selective cooling
US3715740A (en) * 1971-08-30 1973-02-06 Honeywell Inc Optical mass memory
US3840895A (en) * 1972-04-20 1974-10-08 Sony Corp Head drum assembly with grooves perpendicular to axis of rotation

Also Published As

Publication number Publication date
JPS5023213A (it) 1975-03-12
DE2425641A1 (de) 1974-12-19
GB1452816A (en) 1976-10-20
DE2425641B2 (de) 1977-09-08
NL7307626A (it) 1974-12-03
US3969765A (en) 1976-07-13
JPS5716401B2 (it) 1982-04-05
FR2232164B1 (it) 1981-06-26
DE2425641C3 (de) 1978-05-11
FR2232164A1 (it) 1974-12-27
CA1030257A (en) 1978-04-25

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