FR877469A - Magnetic sound recording system for dictation recording devices - Google Patents

Magnetic sound recording system for dictation recording devices

Info

Publication number
FR877469A
FR877469A FR877469DA FR877469A FR 877469 A FR877469 A FR 877469A FR 877469D A FR877469D A FR 877469DA FR 877469 A FR877469 A FR 877469A
Authority
FR
France
Prior art keywords
dictation
magnetic sound
recording
devices
recording system
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 FR877469A publication Critical patent/FR877469A/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
FR877469D 1940-12-13 1941-12-05 Magnetic sound recording system for dictation recording devices Expired FR877469A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE877469X 1940-12-13

Publications (1)

Publication Number Publication Date
FR877469A true FR877469A (en) 1942-12-08

Family

ID=6818114

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877469D Expired FR877469A (en) 1940-12-13 1941-12-05 Magnetic sound recording system for dictation recording devices

Country Status (1)

Country Link
FR (1) FR877469A (en)

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