FR892153A - Bande sonore magnétique - Google Patents

Bande sonore magnétique

Info

Publication number: FR892153A
Authority: FR; France
Prior art keywords: magnetic sound; sound tape; tape; magnetic; sound
Prior art date: 1943-03-12
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

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.)

IG Farbenindustrie AG

Original Assignee

IG Farbenindustrie AG

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.)

1943-03-12

Filing date

1943-03-12

Publication date

1944-03-30

1943-03-12 Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG

1944-03-30 Application granted granted Critical

1944-03-30 Publication of FR892153A publication Critical patent/FR892153A/fr

Status Expired legal-status Critical Current

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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum

FR892153D 1943-03-12 1943-03-12 Bande sonore magnétique Expired FR892153A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR892153T		1943-03-12

Publications (1)

Publication Number	Publication Date
FR892153A true FR892153A (fr)	1944-03-30

Family

ID=9389428

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR892153D Expired FR892153A (fr)	1943-03-12	1943-03-12	Bande sonore magnétique

Country Status (1)

Country	Link
FR (1)	FR892153A (fr)

1943
- 1943-03-12 FR FR892153D patent/FR892153A/fr not_active Expired

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