FR859432A - Device for reproducing magnetic sound recordings at variable speed from the recording medium - Google Patents

Device for reproducing magnetic sound recordings at variable speed from the recording medium

Info

Publication number
FR859432A
FR859432A FR859432DA FR859432A FR 859432 A FR859432 A FR 859432A FR 859432D A FR859432D A FR 859432DA FR 859432 A FR859432 A FR 859432A
Authority
FR
France
Prior art keywords
recording medium
variable speed
reproducing magnetic
sound recordings
magnetic sound
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR859432A publication Critical patent/FR859432A/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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/028—Magnetic recording digest
FR859432D 1938-08-26 1939-08-23 Device for reproducing magnetic sound recordings at variable speed from the recording medium Expired FR859432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE214653X 1938-08-26

Publications (1)

Publication Number Publication Date
FR859432A true FR859432A (en) 1940-12-18

Family

ID=5819860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859432D Expired FR859432A (en) 1938-08-26 1939-08-23 Device for reproducing magnetic sound recordings at variable speed from the recording medium

Country Status (4)

Country Link
US (1) US2352023A (en)
CH (1) CH214653A (en)
FR (1) FR859432A (en)
NL (1) NL57170C (en)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
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US3104881A (en) * 1963-09-24 Ferris
US2513423A (en) * 1946-03-21 1950-07-04 Freeman H Owens Magnetic transducing apparatus
US2539837A (en) * 1947-01-06 1951-01-30 Indiana Steel Products Co Rotating magnetic reproducer
US2712572A (en) * 1947-03-27 1955-07-05 Int Electronics Co Superimposed plural recording
US2554582A (en) * 1947-06-06 1951-05-29 Bell Telephone Labor Inc Magnetic recorder
US2496047A (en) * 1947-06-18 1950-01-31 Rca Corp Art of recording and reproducing two-sided magnetic records
US2528699A (en) * 1948-02-18 1950-11-07 Rca Corp Invisible sound record editor
US2661397A (en) * 1948-05-08 1953-12-01 Gregory E Berens Magnetic recording
US2751437A (en) * 1950-10-19 1956-06-19 Raytheon Mfg Co Signal translation systems
FR1029216A (en) * 1950-12-07 1953-05-29 Method and apparatus for recording and playing back invisible images on a magnetic surface
US2767254A (en) * 1951-09-28 1956-10-16 Rca Corp Magnetic recording
US3020356A (en) * 1952-05-27 1962-02-06 Ampex Transversely recorded tape
US3099709A (en) * 1952-05-27 1963-07-30 Ampex Tape recorder
US2886650A (en) * 1952-10-22 1959-05-12 Univ Illinois Recording device
US2909616A (en) * 1953-06-15 1959-10-20 Marty Rene Magnetic talking machine
US3080169A (en) * 1954-07-01 1963-03-05 Soundscriber Corp Magnetic tape channel-loading dictating machine
US2866012A (en) * 1955-05-06 1958-12-23 Ampex Magnetic tape recording and reproducing system
US2941035A (en) * 1955-07-23 1960-06-14 Bolkow Entwicklungen Kg Apparatus for signal transmission and reception
NL209117A (en) * 1955-07-23
US2903521A (en) * 1955-09-12 1959-09-08 John V Ellison Band expansion recorder
US2856462A (en) * 1955-10-03 1958-10-14 Sound Scriber Corp Head drum assembly for magnetic tape
US2960686A (en) * 1955-10-17 1960-11-15 Gaillard Robert De Method of and device for recording and reproducing on magnetic carriers at any speed
US2915595A (en) * 1955-10-17 1959-12-01 Soundscriber Corp Dual channel magnetic tape recorder
US2912517A (en) * 1955-12-13 1959-11-10 Ampex Magnetic tape apparatus
US2885256A (en) * 1955-12-16 1959-05-05 Frederic W Olmstead Recording system and method for displaced traces
US2954547A (en) * 1956-02-16 1960-09-27 Ibm Selector for a multiple track record of a magnetic memory system
US3022383A (en) * 1956-06-09 1962-02-20 Telefonbau & Normalzeit Gmbh Rotatable electromagnetic transducer system
US3047673A (en) * 1956-06-09 1962-07-31 Telefonbau & Normalzeit Gmbh Rotatable magnetic systems for transforming audio currents
US2885485A (en) * 1956-06-22 1959-05-05 Eigen David Sound editing device
US3024311A (en) * 1957-01-29 1962-03-06 Ampex Signal system
US3077587A (en) * 1957-09-06 1963-02-12 Telefonbau & Normalzeit Gmbh Magnetic recording and playback systems
US3012233A (en) * 1957-11-04 1961-12-05 Ibm Magnetic recording sensing means
NL234034A (en) * 1957-12-10
US2985863A (en) * 1957-12-20 1961-05-23 Ibm Magnetic scanner
US3063040A (en) * 1958-01-13 1962-11-06 Thompson Ramo Wooldridge Inc Transducing method and system
US3075049A (en) * 1958-09-10 1963-01-22 Gordon Sumner Repetitive scanning of a record track on a fragment of a record
NL108647C (en) * 1958-09-25
US3142840A (en) * 1959-06-24 1964-07-28 Ibm High-speed printing apparatus
US3144521A (en) * 1959-11-06 1964-08-11 Sony Corp Magnetic tape recorder
US3107280A (en) * 1959-11-06 1963-10-15 Sony Corp Magnetic tape recorder
NL144807B (en) * 1963-12-31 1975-01-15 Philips Nv PROCESS FOR MANUFACTURE OF A ROTATABLE MAGNETIC HEAD CARRIER AND MAGNETIC HEAD CARRIER, MANUFACTURED ACCORDING TO THE PROCESS.
DE2044598A1 (en) * 1969-09-10 1972-03-30 Litton Business Systems Inc Magnetic converter
US3621150A (en) * 1969-09-17 1971-11-16 Sanders Associates Inc Speech processor for changing voice pitch
US3725610A (en) * 1971-01-27 1973-04-03 K Wisner Rotatable magnetic transducer head
US4509084A (en) * 1981-05-11 1985-04-02 Tokyo Shibaura Denki Kabushiki Kaisha Rotary magnetic head
EP0310962B1 (en) * 1987-10-02 1992-11-19 Nissan Motor Co., Ltd. Rotational speed differential responsive type joint
US4962492A (en) * 1988-04-29 1990-10-09 Laser Magnetic Storage International Company Magneto-optic data recording system, actuating device therefor and method of providing same
US5137130A (en) * 1989-05-10 1992-08-11 Nissan Motor Co., Ltd. Controlled type rotation speed difference sensitive coupling

Also Published As

Publication number Publication date
NL57170C (en)
US2352023A (en) 1944-06-20
CH214653A (en) 1941-05-15

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