FR772708A - Phonographe à disques - Google Patents

Phonographe à disques

Info

Publication number: FR772708A
Authority: FR; France
Prior art keywords: record phonograph; phonograph; record
Prior art date: 1934-03-14
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

English (en)

Inventor

Karl Brehme

Wilhelm Vorwerck

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.)

1934-03-14

Filing date

1934-03-14

Publication date

1934-11-05

1934-03-14 Application filed filed Critical

1934-11-05 Application granted granted Critical

1934-11-05 Publication of FR772708A publication Critical patent/FR772708A/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
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
- G11B19/265—Friction wheel drive

FR772708D 1934-03-14 1934-03-14 Phonographe à disques Expired FR772708A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR772708T		1934-03-14

Publications (1)

Publication Number	Publication Date
FR772708A true FR772708A (fr)	1934-11-05

Family

ID=9195127

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR772708D Expired FR772708A (fr)	1934-03-14	1934-03-14	Phonographe à disques

Country Status (1)

Country	Link
FR (1)	FR772708A (fr)

1934
- 1934-03-14 FR FR772708D patent/FR772708A/fr not_active Expired

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