FR835934A - Devices for transforming magnetic variations into electrical variations or the like - Google Patents

Devices for transforming magnetic variations into electrical variations or the like

Info

Publication number
FR835934A
FR835934A FR835934DA FR835934A FR 835934 A FR835934 A FR 835934A FR 835934D A FR835934D A FR 835934DA FR 835934 A FR835934 A FR 835934A
Authority
FR
France
Prior art keywords
variations
devices
electrical
transforming magnetic
transforming
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR835934A publication Critical patent/FR835934A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • 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
    • G11B11/115—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 using a beam,e.g. of electrons or X-rays other than a beam of light for reproducing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
FR835934D 1937-03-31 1938-03-30 Devices for transforming magnetic variations into electrical variations or the like Expired FR835934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US134067A US2165307A (en) 1937-03-31 1937-03-31 Means for translating magnetic variations into electric variations

Publications (1)

Publication Number Publication Date
FR835934A true FR835934A (en) 1939-01-05

Family

ID=22461625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835934D Expired FR835934A (en) 1937-03-31 1938-03-30 Devices for transforming magnetic variations into electrical variations or the like

Country Status (4)

Country Link
US (1) US2165307A (en)
DE (1) DE706780C (en)
FR (1) FR835934A (en)
GB (1) GB498721A (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441269A (en) * 1943-05-31 1948-05-11 Honeywell Regulator Co Electron discharge compass system
FR902126A (en) * 1943-06-11 1945-08-20 Fast telegraph device
US2452388A (en) * 1944-09-20 1948-10-26 Philco Corp Electromagnetic system
US2640170A (en) * 1946-08-16 1953-05-26 Louis Bernat Device for converting motion into electrical energy
US2473820A (en) * 1947-02-20 1949-06-21 Raytheon Mfg Co Magnetron-type phonograph pickup
US2485839A (en) * 1948-04-29 1949-10-25 Rca Corp Magnetic-photographic rerecording system
US2603687A (en) * 1949-09-22 1952-07-15 Rca Corp Magnetometer
DE910481C (en) * 1949-11-03 1954-05-03 Gustav Fries Method and device for reproducing magnetograms
US2748198A (en) * 1951-05-07 1956-05-29 Krisch Kube Magnetronic circuit-controlling devices
US2720558A (en) * 1951-05-22 1955-10-11 Nat Union Electric Corp Magnetized record reproducer
US2657377A (en) * 1951-05-25 1953-10-27 Bell Telephone Labor Inc Reproduction of signals from magnetic records
US2900443A (en) * 1952-04-11 1959-08-18 Armour Res Found Magnetic recorder and reproducer for video
US2781508A (en) * 1952-05-01 1957-02-12 Eustace E Suckling Intelligence transmission system
US2724021A (en) * 1952-10-06 1955-11-15 Magnescope Corp Cathode ray tube
US2857458A (en) * 1952-10-15 1958-10-21 Rca Corp Electronically controlled magnetic recording and producing apparatus
US2755403A (en) * 1952-10-22 1956-07-17 Gen Electric Magnetic motion transducer
IT524818A (en) * 1953-01-21
US2725430A (en) * 1953-02-06 1955-11-29 Gen Dynamics Corp Magnetic recording head
US2933555A (en) * 1953-02-09 1960-04-19 William A Wootten System for modulating a magnetic field for electrical reproduction
US3053939A (en) * 1954-02-23 1962-09-11 Armour Res Found Electromagnetic transducer head
US2843678A (en) * 1954-03-22 1958-07-15 Nat Union Electric Corp Magnetized record signal reproduction system
US3072751A (en) * 1954-06-01 1963-01-08 Rca Corp Magnetic recording and reproducing means
DE1094009B (en) * 1955-03-01 1960-12-01 Siemens Ag Device for testing magnetic sound media
US3110764A (en) * 1955-04-06 1963-11-12 Leonard D Barry Magnetic recording and reproducing
US3027549A (en) * 1956-06-06 1962-03-27 Ibm Magnetic transducer
US2988736A (en) * 1958-04-21 1961-06-13 Levin Simon Apparatus for reproducing magnetic information
US2943156A (en) * 1958-09-18 1960-06-28 Wootten William Albert Magnetic field reproducing apparatus
US3160704A (en) * 1959-06-17 1964-12-08 Hollingsworth R Lee Video tape recording
US3189684A (en) * 1959-12-08 1965-06-15 William A Wootten System for recording and reproducing signals with magnetic tape

Also Published As

Publication number Publication date
GB498721A (en) 1939-01-12
US2165307A (en) 1939-07-11
DE706780C (en) 1941-06-05

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