FR830073A - Methods of superimposing several acoustic inscriptions on a magnetic medium - Google Patents

Methods of superimposing several acoustic inscriptions on a magnetic medium

Info

Publication number
FR830073A
FR830073A FR830073DA FR830073A FR 830073 A FR830073 A FR 830073A FR 830073D A FR830073D A FR 830073DA FR 830073 A FR830073 A FR 830073A
Authority
FR
France
Prior art keywords
inscriptions
methods
magnetic medium
several acoustic
superimposing several
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)
Inventor
Leon Thurm
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 filed Critical
Application granted granted Critical
Publication of FR830073A publication Critical patent/FR830073A/en
Expired legal-status Critical Current

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
FR830073D 1937-03-18 1937-03-18 Methods of superimposing several acoustic inscriptions on a magnetic medium Expired FR830073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830073T 1937-03-18

Publications (1)

Publication Number Publication Date
FR830073A true FR830073A (en) 1938-07-20

Family

ID=9285044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830073D Expired FR830073A (en) 1937-03-18 1937-03-18 Methods of superimposing several acoustic inscriptions on a magnetic medium

Country Status (1)

Country Link
FR (1) FR830073A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547464A (en) * 1950-03-03 1951-04-03 Frederick G Hehr Sound recording and reproducing apparatus
US2685618A (en) * 1951-12-29 1954-08-03 Rca Corp Wide range magnetic recording system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547464A (en) * 1950-03-03 1951-04-03 Frederick G Hehr Sound recording and reproducing apparatus
US2685618A (en) * 1951-12-29 1954-08-03 Rca Corp Wide range magnetic recording system and method

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