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 (en])

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 (en])

Family

ID=22347687

Family Applications (1)

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

Country Status (6)

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

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

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