FR978883A - Improvements to magnetic sound recording - Google Patents

Improvements to magnetic sound recording

Info

Publication number
FR978883A
FR978883A FR978883DA FR978883A FR 978883 A FR978883 A FR 978883A FR 978883D A FR978883D A FR 978883DA FR 978883 A FR978883 A FR 978883A
Authority
FR
France
Prior art keywords
sound recording
magnetic sound
magnetic
recording
sound
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
Michae L Lawrence Gayford
William Donald Cragg
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR978883A publication Critical patent/FR978883A/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
FR978883D 1948-01-16 1949-01-12 Improvements to magnetic sound recording Expired FR978883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB978883X 1948-01-16

Publications (1)

Publication Number Publication Date
FR978883A true FR978883A (en) 1951-04-19

Family

ID=10824690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978883D Expired FR978883A (en) 1948-01-16 1949-01-12 Improvements to magnetic sound recording

Country Status (1)

Country Link
FR (1) FR978883A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734186A (en) * 1949-03-01 1956-02-07 Magnetic storage systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734186A (en) * 1949-03-01 1956-02-07 Magnetic storage systems

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