FR725759A - Disc for talking machines - Google Patents
Disc for talking machinesInfo
- Publication number
- FR725759A FR725759A FR725759DA FR725759A FR 725759 A FR725759 A FR 725759A FR 725759D A FR725759D A FR 725759DA FR 725759 A FR725759 A FR 725759A
- Authority
- FR
- France
- Prior art keywords
- disc
- talking machines
- talking
- machines
- 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
Links
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
- G11B3/68—Record carriers
- G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR725759T | 1931-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR725759A true FR725759A (en) | 1932-05-18 |
Family
ID=9110260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR725759D Expired FR725759A (en) | 1931-01-08 | 1931-01-08 | Disc for talking machines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR725759A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2585622A (en) * | 1949-09-15 | 1952-02-12 | Webster Chicago Corp | Record adapter |
US2645499A (en) * | 1949-03-22 | 1953-07-14 | Farnsworth Res Corp | Phonograph spindle aperture reducer |
US2734748A (en) * | 1956-02-14 | Disc phonograph records | ||
US2806704A (en) * | 1951-03-09 | 1957-09-17 | Jr Harry Warren Burdett | Phonograph record device and method of making said device |
-
1931
- 1931-01-08 FR FR725759D patent/FR725759A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2734748A (en) * | 1956-02-14 | Disc phonograph records | ||
US2645499A (en) * | 1949-03-22 | 1953-07-14 | Farnsworth Res Corp | Phonograph spindle aperture reducer |
US2585622A (en) * | 1949-09-15 | 1952-02-12 | Webster Chicago Corp | Record adapter |
US2806704A (en) * | 1951-03-09 | 1957-09-17 | Jr Harry Warren Burdett | Phonograph record device and method of making said device |
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