FR947942A - Perfectionnements aux phonographes - Google Patents

Perfectionnements aux phonographes

Info

Publication number: FR947942A
Authority: FR; France
Prior art keywords: phonographs
Prior art date: 1941-12-24
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.)

SoundScriber Corp

Original Assignee

SoundScriber 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.)

1941-12-24

Filing date

1947-06-16

Publication date

1949-07-18

1947-06-16 Application filed by SoundScriber Corp filed Critical SoundScriber Corp

1949-07-18 Application granted granted Critical

1949-07-18 Publication of FR947942A publication Critical patent/FR947942A/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
- G11B3/02—Arrangements of heads
- G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers

FR947942D 1941-12-24 1947-06-16 Perfectionnements aux phonographes Expired FR947942A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US947942XA	1941-12-24	1941-12-24

Publications (1)

Publication Number	Publication Date
FR947942A true FR947942A (fr)	1949-07-18

Family

ID=22247208

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR947942D Expired FR947942A (fr)	1941-12-24	1947-06-16	Perfectionnements aux phonographes

Country Status (1)

Country	Link
FR (1)	FR947942A (fr)

1947
- 1947-06-16 FR FR947942D patent/FR947942A/fr not_active Expired

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