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FR881562A - Process for varying the sound intensity of magnetic sound recordings, in particular for gradually attenuating or affixing sound recordings to magnetogram carriers - Google Patents

Process for varying the sound intensity of magnetic sound recordings, in particular for gradually attenuating or affixing sound recordings to magnetogram carriers

Info

Publication number
FR881562A
FR881562A FR881562DA FR881562A FR 881562 A FR881562 A FR 881562A FR 881562D A FR881562D A FR 881562DA FR 881562 A FR881562 A FR 881562A
Authority
FR
France
Prior art keywords
sound
sound recordings
recordings
affixing
varying
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR881562A publication Critical patent/FR881562A/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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
FR881562D 1941-04-30 1942-04-28 Process for varying the sound intensity of magnetic sound recordings, in particular for gradually attenuating or affixing sound recordings to magnetogram carriers Expired FR881562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE881562X 1941-04-30

Publications (1)

Publication Number Publication Date
FR881562A true FR881562A (en) 1943-04-29

Family

ID=6830828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881562D Expired FR881562A (en) 1941-04-30 1942-04-28 Process for varying the sound intensity of magnetic sound recordings, in particular for gradually attenuating or affixing sound recordings to magnetogram carriers

Country Status (1)

Country Link
FR (1) FR881562A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2610257A (en) * 1949-12-22 1952-09-09 Warner Bros Magnetic record volume control
US2756278A (en) * 1950-05-13 1956-07-24 Rca Corp Magnetic film erasing method and system
US2797264A (en) * 1948-10-30 1957-06-25 Rca Corp Magnetic volume control system
US2861133A (en) * 1949-08-01 1958-11-18 Minnesota Mining & Mfg Method and apparatus for the selective erasure of undesired transferred signals in magnetic recording
US3627934A (en) * 1969-04-09 1971-12-14 Micro Magnetic Ind Inc Method and apparatus for verifying magnetic records

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797264A (en) * 1948-10-30 1957-06-25 Rca Corp Magnetic volume control system
US2861133A (en) * 1949-08-01 1958-11-18 Minnesota Mining & Mfg Method and apparatus for the selective erasure of undesired transferred signals in magnetic recording
US2610257A (en) * 1949-12-22 1952-09-09 Warner Bros Magnetic record volume control
US2756278A (en) * 1950-05-13 1956-07-24 Rca Corp Magnetic film erasing method and system
US3627934A (en) * 1969-04-09 1971-12-14 Micro Magnetic Ind Inc Method and apparatus for verifying magnetic records

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