FR706635A - Aiguille pour reproduction phonographique - Google Patents

Aiguille pour reproduction phonographique

Info

Publication number: FR706635A
Authority: FR; France
Prior art keywords: needle; phonographic reproduction; phonographic; reproduction
Prior art date: 1930-11-27
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

Inventor

Louis Forestier

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.)

1930-11-27

Filing date

1930-11-27

Publication date

1931-06-27

1930-11-27 Application filed filed Critical

1931-06-27 Application granted granted Critical

1931-06-27 Publication of FR706635A publication Critical patent/FR706635A/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
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/44—Styli, e.g. sapphire, diamond
- G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
- G11B3/48—Needles

FR706635D 1930-11-27 1930-11-27 Aiguille pour reproduction phonographique Expired FR706635A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR706635T		1930-11-27

Publications (1)

Publication Number	Publication Date
FR706635A true FR706635A (fr)	1931-06-27

Family

ID=9067904

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR706635D Expired FR706635A (fr)	1930-11-27	1930-11-27	Aiguille pour reproduction phonographique

Country Status (1)

Country	Link
FR (1)	FR706635A (fr)

1930
- 1930-11-27 FR FR706635D patent/FR706635A/fr not_active Expired

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