FR1153607A - Electronic signal recording and reproduction device - Google Patents

Electronic signal recording and reproduction device

Info

Publication number
FR1153607A
FR1153607A FR1153607DA FR1153607A FR 1153607 A FR1153607 A FR 1153607A FR 1153607D A FR1153607D A FR 1153607DA FR 1153607 A FR1153607 A FR 1153607A
Authority
FR
France
Prior art keywords
electronic signal
reproduction device
signal recording
reproduction
recording
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
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1153607A publication Critical patent/FR1153607A/en
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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/03—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/08—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by electric charge or by variation of electric resistance or capacitance
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • 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
    • G11B5/78—Tape carriers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
FR1153607D 1953-10-24 1954-10-23 Electronic signal recording and reproduction device Expired FR1153607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP10689A DE1285002B (en) 1953-10-24 1953-10-24 Device for magnetic recording of signals

Publications (1)

Publication Number Publication Date
FR1153607A true FR1153607A (en) 1958-03-19

Family

ID=7727635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153607D Expired FR1153607A (en) 1953-10-24 1954-10-23 Electronic signal recording and reproduction device

Country Status (2)

Country Link
DE (1) DE1285002B (en)
FR (1) FR1153607A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099127A2 (en) * 1982-07-16 1984-01-25 Kabushiki Kaisha Toshiba Magnetic reproducing system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19841034C1 (en) * 1998-09-09 2000-02-03 Forschungszentrum Juelich Gmbh Magnetisation direction alteration method for thin film used for information recording

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744974C (en) * 1930-02-18 1944-02-21 Ulrich W Doering Process for producing recordings of optical, acoustic or electrical processes by means of electrical polarization
AT144829B (en) * 1934-01-02 1936-03-10 Tobis Tonbild Syndikat Ag Method for recording electrical modulations, in particular for the purposes of sound recording.
DE746660C (en) * 1940-11-09 1944-10-02 Gema Ges Fuer Elektroakustisch Method of recording magnetograms
US2422140A (en) * 1943-05-15 1947-06-10 Rca Corp Frequency modulated recording and reproducing system
GB644426A (en) * 1947-08-21 1950-10-11 Ian Irvine Boswell Improvements in or relating to sound recording and reproducing systems
DE840318C (en) * 1949-01-04 1952-05-29 Eberhard Vollmer Method for recording sound waves
FR996932A (en) * 1949-09-02 1951-12-28 Cfcmug Television image projector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099127A2 (en) * 1982-07-16 1984-01-25 Kabushiki Kaisha Toshiba Magnetic reproducing system
EP0105531A2 (en) * 1982-07-16 1984-04-18 Kabushiki Kaisha Toshiba Magnetic reproducing system
EP0105531A3 (en) * 1982-07-16 1986-02-05 Kabushiki Kaisha Toshiba Magnetic recording and reproducing apparatus
EP0099127A3 (en) * 1982-07-16 1986-02-12 Kabushiki Kaisha Toshiba Magnetic recording and reproducing apparatus

Also Published As

Publication number Publication date
DE1285002B (en) 1968-12-12

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