BE420450A - - Google Patents

Info

Publication number
BE420450A
BE420450A BE420450DA BE420450A BE 420450 A BE420450 A BE 420450A BE 420450D A BE420450D A BE 420450DA BE 420450 A BE420450 A BE 420450A
Authority
BE
Belgium
Application number
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.)
Publication of BE420450A publication Critical patent/BE420450A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/662—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a time/frequency relationship, e.g. time compression or expansion
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
BE420450D 1936-03-10 BE420450A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR814905T 1936-03-10

Publications (1)

Publication Number Publication Date
BE420450A true BE420450A (en:Method)

Family

ID=9266959

Family Applications (1)

Application Number Title Priority Date Filing Date
BE420450D BE420450A (en:Method) 1936-03-10

Country Status (5)

Country Link
US (1) US2170751A (en:Method)
BE (1) BE420450A (en:Method)
CH (1) CH206561A (en:Method)
FR (1) FR814905A (en:Method)
GB (1) GB491937A (en:Method)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427421A (en) * 1940-06-22 1947-09-16 Rieber Frank Apparatus and method for making and analyzing geophysical records
US2424218A (en) * 1943-01-30 1947-07-22 Brush Dev Co Magnetic recording-reproducing means and system
US2424295A (en) * 1943-07-21 1947-07-22 Brush Dev Co Rotatable magnetic reproducing means
US2434697A (en) * 1943-09-28 1948-01-20 Charles H Homrighous Time division multiplex telephone system
US2434698A (en) * 1944-02-15 1948-01-20 John H Homrighous Time division multiplex telephone system
US2472705A (en) * 1944-07-17 1949-06-07 John H Homrighous Time division carrier multiplex telephone system
US2462435A (en) * 1945-05-15 1949-02-22 Robert E Stanton Apparatus for uninterrupted reproduction of disk phonographrecords
US2539837A (en) * 1947-01-06 1951-01-30 Indiana Steel Products Co Rotating magnetic reproducer
US2773120A (en) * 1950-11-30 1956-12-04 Rca Corp Magnetic recording of high frequency signals
DE1131421B (de) * 1952-01-14 1962-06-14 Telefonbau Anordnung zum absatzweisen Abtasten schraeg zur Bewegungsrichtung eines bandfoermigen Magnetogrammtraegers verlaufender Spuren mittels eines umlaufenden zylindrischen Wandlers
US2886650A (en) * 1952-10-22 1959-05-12 Univ Illinois Recording device
DE1153068B (de) * 1954-06-21 1963-08-22 Wolfgang Bogen Rotierender mehrspaltiger ringfoermiger Magnetkopf
US2883109A (en) * 1954-09-08 1959-04-21 Kokusai Denshin Denwa Co Ltd Device for making any desired frequency characteristic circuit
US2890275A (en) * 1954-10-25 1959-06-09 Acf Ind Inc Magnetic recording using acoustic delay line
US2875436A (en) * 1955-03-09 1959-02-24 Jr John Hays Hammond Television relay system
US2995725A (en) * 1955-06-10 1961-08-08 Honeywell Regulator Co High speed sonar scanning apparatus
US2903521A (en) * 1955-09-12 1959-09-08 John V Ellison Band expansion recorder
US3022383A (en) * 1956-06-09 1962-02-20 Telefonbau & Normalzeit Gmbh Rotatable electromagnetic transducer system
DE1026781B (de) * 1956-12-20 1958-03-27 Telefunken Gmbh Anordnung zur magnetischen Aufzeichnung und Abtastung von Fernsehsignalen
US3024311A (en) * 1957-01-29 1962-03-06 Ampex Signal system
US3062922A (en) * 1957-09-04 1962-11-06 Thompson Ramo Wooldridge Inc Magnetic transducing apparatus
NL234034A (en:Method) * 1957-12-10
US4184210A (en) * 1958-09-04 1980-01-15 Julius Hagemann Sonic echo scanning and facsimile recording of water submerged surfaces
US3075049A (en) * 1958-09-10 1963-01-22 Gordon Sumner Repetitive scanning of a record track on a fragment of a record
US2972279A (en) * 1958-10-02 1961-02-21 Christopher S Riley Film-viewing device
US3150374A (en) * 1959-06-25 1964-09-22 David E Sunstein Multichannel signaling system and method
US3153785A (en) * 1961-07-27 1964-10-20 Xerox Corp Time compressed display
US3341854A (en) * 1963-04-24 1967-09-12 Ibm Modulating magnetic record transfer means
US3614343A (en) * 1969-02-05 1971-10-19 Nasa Recorder using selective noise filter
US4121261A (en) * 1977-04-28 1978-10-17 Xerox Corporation Synchronous helical scan-helical record magnetic imaging

Also Published As

Publication number Publication date
FR814905A (fr) 1937-07-02
US2170751A (en) 1939-08-22
GB491937A (en) 1938-09-12
CH206561A (fr) 1939-08-15

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