FR920542A - Improvements to magnetic recording and reproduction devices - Google Patents

Improvements to magnetic recording and reproduction devices

Info

Publication number
FR920542A
FR920542A FR920542DA FR920542A FR 920542 A FR920542 A FR 920542A FR 920542D A FR920542D A FR 920542DA FR 920542 A FR920542 A FR 920542A
Authority
FR
France
Prior art keywords
magnetic recording
reproduction devices
reproduction
devices
recording
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.)
Armour Research Foundation
Original Assignee
Armour Research Foundation
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 Armour Research Foundation filed Critical Armour Research Foundation
Application granted granted Critical
Publication of FR920542A publication Critical patent/FR920542A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027Analogue recording
    • G11B5/03Biasing
FR920542D 1946-01-21 1946-01-21 Improvements to magnetic recording and reproduction devices Expired FR920542A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920542T 1946-01-21

Publications (1)

Publication Number Publication Date
FR920542A true FR920542A (en) 1947-04-10

Family

ID=9429466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920542D Expired FR920542A (en) 1946-01-21 1946-01-21 Improvements to magnetic recording and reproduction devices

Country Status (1)

Country Link
FR (1) FR920542A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE872657C (en) * 1951-09-04 1953-04-02 Hermann Birkhofer Magnetic head for making magnetic sound recordings
DE925318C (en) * 1950-04-12 1955-03-17 Telefunken Gmbh Arrangement for the premagnetization of sound writing carriers for magnetic sound recordings
DE1016955B (en) * 1953-08-27 1957-10-03 Telefunken Gmbh Erase head with two columns for magnetic sound recordings
DE972735C (en) * 1950-08-13 1959-09-17 Klangfilm Gmbh Recording magnetic head for magnetic recorders with high frequency overlay
DE976859C (en) * 1951-01-17 1964-06-23 Philips Nv Method for producing magnetic recordings on a tape or wire-shaped carrier

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE925318C (en) * 1950-04-12 1955-03-17 Telefunken Gmbh Arrangement for the premagnetization of sound writing carriers for magnetic sound recordings
DE972735C (en) * 1950-08-13 1959-09-17 Klangfilm Gmbh Recording magnetic head for magnetic recorders with high frequency overlay
DE976859C (en) * 1951-01-17 1964-06-23 Philips Nv Method for producing magnetic recordings on a tape or wire-shaped carrier
DE872657C (en) * 1951-09-04 1953-04-02 Hermann Birkhofer Magnetic head for making magnetic sound recordings
DE1016955B (en) * 1953-08-27 1957-10-03 Telefunken Gmbh Erase head with two columns for magnetic sound recordings

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