ITTO910169A0 - Induttanza variabile - Google Patents
Induttanza variabileInfo
- Publication number
- ITTO910169A0 ITTO910169A0 IT91TO169A ITTO910169A ITTO910169A0 IT TO910169 A0 ITTO910169 A0 IT TO910169A0 IT 91TO169 A IT91TO169 A IT 91TO169A IT TO910169 A ITTO910169 A IT TO910169A IT TO910169 A0 ITTO910169 A0 IT TO910169A0
- Authority
- IT
- Italy
- Prior art keywords
- variable inductance
- inductance
- variable
- Prior art date
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 Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9003114A FR2659484A1 (fr) | 1990-03-12 | 1990-03-12 | Inductance variable. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ITTO910169A0 true ITTO910169A0 (it) | 1991-03-11 |
| ITTO910169A1 ITTO910169A1 (it) | 1991-09-13 |
Family
ID=9394624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT000169A ITTO910169A1 (it) | 1990-03-12 | 1991-03-11 | Induttanza variabile |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5153548A (it) |
| JP (1) | JPH04219907A (it) |
| FR (1) | FR2659484A1 (it) |
| IT (1) | ITTO910169A1 (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6522221B1 (en) * | 1999-01-04 | 2003-02-18 | Nippon Telegraph And Telephone Corporation | Phase shifter, attenuator, and nonlinear signal generator |
| CN101425358B (zh) * | 2008-08-08 | 2011-01-05 | 西安交通大学 | 雷电流波形形成电感 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2477693A (en) * | 1942-12-17 | 1949-08-02 | Radio Patents Corp | Variable induction coil |
| US2451809A (en) * | 1945-12-10 | 1948-10-19 | James L Clark | Variable inductance device |
| US2764742A (en) * | 1952-09-16 | 1956-09-25 | Gen Electric | Variable tuning structures |
| US2781514A (en) * | 1953-04-29 | 1957-02-12 | Itt | Helical antenna system |
| US2819454A (en) * | 1955-05-31 | 1958-01-07 | Jr Russell R Yost | Inductor design |
| US2978600A (en) * | 1958-01-21 | 1961-04-04 | Thompson Ramo Wooldridge Inc | Ionic brush |
| US3514553A (en) * | 1967-11-01 | 1970-05-26 | United Aircraft Corp | Controlled plasma moving electrical connector |
| FR2514190B1 (fr) * | 1981-10-06 | 1988-06-17 | Thomson Csf | Inductance a ruban imprime et emetteur comportant une telle inductance |
-
1990
- 1990-03-12 FR FR9003114A patent/FR2659484A1/fr active Pending
-
1991
- 1991-03-11 US US07/666,990 patent/US5153548A/en not_active Expired - Fee Related
- 1991-03-11 JP JP3070578A patent/JPH04219907A/ja active Pending
- 1991-03-11 IT IT000169A patent/ITTO910169A1/it not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04219907A (ja) | 1992-08-11 |
| ITTO910169A1 (it) | 1991-09-13 |
| FR2659484A1 (fr) | 1991-09-13 |
| US5153548A (en) | 1992-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0003 | Withdrawn |