FR686574A - Device for obtaining constant alternating currents for actuating synchronous motors, in particular for telephotography, television and talking films equipment - Google Patents
Device for obtaining constant alternating currents for actuating synchronous motors, in particular for telephotography, television and talking films equipmentInfo
- Publication number
- FR686574A FR686574A FR686574DA FR686574A FR 686574 A FR686574 A FR 686574A FR 686574D A FR686574D A FR 686574DA FR 686574 A FR686574 A FR 686574A
- Authority
- FR
- France
- Prior art keywords
- telephotography
- television
- alternating currents
- synchronous motors
- constant alternating
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET36122D DE487342C (en) | 1928-12-13 | 1928-12-13 | Device for generating constant alternating currents |
Publications (1)
Publication Number | Publication Date |
---|---|
FR686574A true FR686574A (en) | 1930-07-28 |
Family
ID=7559617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR686574D Expired FR686574A (en) | 1928-12-13 | 1929-12-13 | Device for obtaining constant alternating currents for actuating synchronous motors, in particular for telephotography, television and talking films equipment |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE487342C (en) |
FR (1) | FR686574A (en) |
GB (1) | GB336868A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5052110A (en) * | 1990-07-23 | 1991-10-01 | Edlund Company, Inc. | Can opener |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2617083A (en) * | 1947-11-01 | 1952-11-04 | Stewart Warner Corp | Tachometer and revolution counter for internal-combustion engines |
US2928034A (en) * | 1957-08-22 | 1960-03-08 | Hamilton Watch Co | Chronometric electric motor |
-
1928
- 1928-12-13 DE DET36122D patent/DE487342C/en not_active Expired
-
1929
- 1929-12-13 FR FR686574D patent/FR686574A/en not_active Expired
- 1929-12-13 GB GB3329129A patent/GB336868A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5052110A (en) * | 1990-07-23 | 1991-10-01 | Edlund Company, Inc. | Can opener |
Also Published As
Publication number | Publication date |
---|---|
GB336868A (en) | 1930-10-23 |
DE487342C (en) | 1929-12-07 |
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