CH324742A - Device for recording and playing back magnetic sound recordings with a high frequency generator - Google Patents

Device for recording and playing back magnetic sound recordings with a high frequency generator

Info

Publication number
CH324742A
CH324742A CH324742DA CH324742A CH 324742 A CH324742 A CH 324742A CH 324742D A CH324742D A CH 324742DA CH 324742 A CH324742 A CH 324742A
Authority
CH
Switzerland
Prior art keywords
recording
high frequency
frequency generator
playing back
sound recordings
Prior art date
Application number
Other languages
German (de)
Inventor
Gerhardus Haarler Hendrikus
Wittenberg Nico
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH324742A publication Critical patent/CH324742A/en

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
    • 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
CH324742D 1954-01-11 1955-01-10 Device for recording and playing back magnetic sound recordings with a high frequency generator CH324742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL324742X 1954-01-11

Publications (1)

Publication Number Publication Date
CH324742A true CH324742A (en) 1957-10-15

Family

ID=19784125

Family Applications (1)

Application Number Title Priority Date Filing Date
CH324742D CH324742A (en) 1954-01-11 1955-01-10 Device for recording and playing back magnetic sound recordings with a high frequency generator

Country Status (4)

Country Link
BE (1) BE534755A (en)
CH (1) CH324742A (en)
DE (1) DE1060156B (en)
NL (1) NL87817C (en)

Also Published As

Publication number Publication date
BE534755A (en)
NL87817C (en)
DE1060156B (en) 1959-06-25

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