NL79850C - - Google Patents

Info

Publication number
NL79850C
NL79850C NL79850DA NL79850C NL 79850 C NL79850 C NL 79850C NL 79850D A NL79850D A NL 79850DA NL 79850 C NL79850 C NL 79850C
Authority
NL
Netherlands
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 NL79850C publication Critical patent/NL79850C/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to 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
    • 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
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
    • 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
    • G11B5/465—Arrangements for demagnetisation of heads
NL79850D 1949-08-30 NL79850C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US113123A US2694108A (en) 1949-08-30 1949-08-30 Magnetic recording and reproducing system

Publications (1)

Publication Number Publication Date
NL79850C true NL79850C (de)

Family

ID=22347687

Family Applications (1)

Application Number Title Priority Date Filing Date
NL79850D NL79850C (de) 1949-08-30

Country Status (6)

Country Link
US (1) US2694108A (de)
CH (1) CH292122A (de)
DE (1) DE849012C (de)
FR (1) FR1084968A (de)
GB (1) GB680172A (de)
NL (1) NL79850C (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136866A (en) * 1952-05-27 1964-06-09 Ampex Tape recorder circuit
DE1057792B (de) * 1953-12-28 1959-05-21 Protona Produktionsgesellschaf Schaltungsanordnung fuer Magnettongeraete fuer Aufnahme und Wiedergabe
US3011032A (en) * 1956-04-02 1961-11-28 Canadian Patents Dev Apparatus for recording signals on magnetic tape
US2965722A (en) * 1957-02-04 1960-12-20 Dictaphone Corp Magnetic reproducing apparatus
US2961496A (en) * 1957-02-07 1960-11-22 Dictaphone Corp Amplifier for recording and playback in a dictating machine and the like
US3443038A (en) * 1962-02-01 1969-05-06 Fisher Radio Corp Recording system with signal return circuit for allowing the use of certain filters and amplifiers in both record and reproduce modes
US3617649A (en) * 1970-02-16 1971-11-02 John Hartley Means for interconnecting two monophonic recorders for stereo recording, reproducing and duplicating

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743411C (de) * 1940-07-28 1943-12-24 Dr Hans Joachim Von Braunmuehl Verfahren zur magnetischen Schallaufzeichnung
DE743186C (de) * 1940-10-26 1943-12-20 Dr Hans Joachim Von Braunmuehl Verfahren zum Aufzeichnen von Magnetogrammen
US2336886A (en) * 1942-08-25 1943-12-14 Gen Electric Electric circuit
US2418541A (en) * 1943-11-22 1947-04-08 Armour Res Found Reversible drive for a magnetic recording medium
US2604548A (en) * 1946-12-05 1952-07-22 Brush Dev Co Apparatus for demagnetizing magnetic recording-reproducting heads
US2531141A (en) * 1947-02-07 1950-11-21 Gen Electric Demagnetization of electromagnetic recording heads

Also Published As

Publication number Publication date
FR1084968A (fr) 1955-01-26
US2694108A (en) 1954-11-09
DE849012C (de) 1952-09-11
CH292122A (fr) 1953-07-31
GB680172A (en) 1952-10-01

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