IT325497A - - Google Patents
Info
- Publication number
- IT325497A IT325497A IT325497DA IT325497A IT 325497 A IT325497 A IT 325497A IT 325497D A IT325497D A IT 325497DA IT 325497 A IT325497 A IT 325497A
- Authority
- IT
- Italy
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/06—Variable transformers or inductances not covered by group H01F21/00 with current collector gliding or rolling on or along winding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
- Transformers For Measuring Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE411769X | 1932-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT325497A true IT325497A (fr) |
Family
ID=6432768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT325497D IT325497A (fr) | 1932-12-17 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1993794A (fr) |
| BE (1) | BE400375A (fr) |
| FR (1) | FR765516A (fr) |
| GB (1) | GB411769A (fr) |
| IT (1) | IT325497A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160224A (en) * | 1977-05-11 | 1979-07-03 | Owen D W | Transformer |
| US4255734A (en) * | 1978-04-03 | 1981-03-10 | Owen D W | Transformer with tapped subwindings |
| FR2457002A1 (fr) * | 1979-04-23 | 1980-12-12 | Ungari Serge | Transformateur variable |
| US4374370A (en) * | 1981-03-30 | 1983-02-15 | Motorola, Inc. | Helical resonator filter |
| US4514602A (en) * | 1982-12-27 | 1985-04-30 | Owen D W | Switching apparatus |
| US4524341A (en) * | 1983-02-07 | 1985-06-18 | Owen D W | Transformer with series-parallel-series winding between split winding |
| US5500582A (en) * | 1994-06-13 | 1996-03-19 | Owen; Donald W. | Multiphase load control system with switch connected split sources of phase voltage |
| CN110246658B (zh) * | 2019-05-22 | 2021-05-04 | 赣州讯康电子科技有限公司 | 一种旋转式低压变压器 |
-
0
- BE BE400375D patent/BE400375A/xx unknown
- IT IT325497D patent/IT325497A/it unknown
-
1933
- 1933-12-14 US US702271A patent/US1993794A/en not_active Expired - Lifetime
- 1933-12-15 FR FR765516D patent/FR765516A/fr not_active Expired
- 1933-12-18 GB GB35629/33A patent/GB411769A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR765516A (fr) | 1934-06-12 |
| BE400375A (fr) | |
| GB411769A (en) | 1934-06-14 |
| US1993794A (en) | 1935-03-12 |