SE90365C1 - - Google Patents
Info
- Publication number
- SE90365C1 SE90365C1 SE309735A SE309735A SE90365C1 SE 90365 C1 SE90365 C1 SE 90365C1 SE 309735 A SE309735 A SE 309735A SE 309735 A SE309735 A SE 309735A SE 90365 C1 SE90365 C1 SE 90365C1
- Authority
- SE
- Sweden
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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/81—Sound record
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US740042A US2067502A (en) | 1934-08-16 | 1934-08-16 | Art of duplicating phonograph records |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE90365C1 true SE90365C1 (cs) | 1937-09-28 |
Family
ID=24974797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE309735A SE90365C1 (cs) | 1934-08-16 | 1935-07-16 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2067502A (cs) |
| SE (1) | SE90365C1 (cs) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2529086A (en) * | 1946-04-30 | 1950-11-07 | Rca Corp | Method of making fine mesh screens |
| NL7401654A (cs) * | 1973-02-23 | 1974-08-27 | ||
| FR2235449A1 (cs) * | 1973-06-29 | 1975-01-24 | Thomson Brandt | |
| US4187154A (en) * | 1976-09-10 | 1980-02-05 | Fabrication Belge de Disques "Fabeldis" | Method for manufacturing substantially flat dies |
| US4402798A (en) * | 1982-02-16 | 1983-09-06 | Rca Corporation | Method for the manufacture of a metallic recording substrate for a capacitance electronic disc and the recording substrate obtained thereby |
-
1934
- 1934-08-16 US US740042A patent/US2067502A/en not_active Expired - Lifetime
-
1935
- 1935-07-16 SE SE309735A patent/SE90365C1/sv unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2067502A (en) | 1937-01-12 |