DD109467A5 - - Google Patents
Info
- Publication number
- DD109467A5 DD109467A5 DD175599A DD17559973A DD109467A5 DD 109467 A5 DD109467 A5 DD 109467A5 DD 175599 A DD175599 A DD 175599A DD 17559973 A DD17559973 A DD 17559973A DD 109467 A5 DD109467 A5 DD 109467A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
- H01F21/08—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by varying the permeability of the core, e.g. by varying magnetic bias
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Soft Magnetic Materials (AREA)
- Filters And Equalizers (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUVI915A HU165863B (fr) | 1973-02-14 | 1973-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD109467A5 true DD109467A5 (fr) | 1974-11-05 |
Family
ID=11002695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD175599A DD109467A5 (fr) | 1973-02-14 | 1973-12-21 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3881159A (fr) |
| CA (1) | CA1003513A (fr) |
| CH (1) | CH569354A5 (fr) |
| CS (1) | CS187405B2 (fr) |
| DD (1) | DD109467A5 (fr) |
| DE (1) | DE2402724C3 (fr) |
| EG (1) | EG11300A (fr) |
| FR (1) | FR2217780A1 (fr) |
| GB (1) | GB1426460A (fr) |
| HU (1) | HU165863B (fr) |
| IT (1) | IT1002380B (fr) |
| SE (1) | SE386551B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2181913B (en) * | 1985-10-22 | 1989-09-20 | Plessey Co Plc | Balanced oscillator and heterodyne circuit incorporating same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2200263A (en) * | 1933-10-23 | 1940-05-14 | Kramolin Leon Ladislaus De | Variable reactor |
| US2781503A (en) * | 1953-04-29 | 1957-02-12 | American Mach & Foundry | Magnetic memory circuits employing biased magnetic binary cores |
| US2897352A (en) * | 1954-08-16 | 1959-07-28 | Cgs Lab Inc | System using magnetized controllable inductor operated stepwise to control frequency and the like |
-
1973
- 1973-02-14 HU HUVI915A patent/HU165863B/hu unknown
- 1973-11-30 US US420675A patent/US3881159A/en not_active Expired - Lifetime
- 1973-12-12 SE SE7316800A patent/SE386551B/xx unknown
- 1973-12-13 GB GB5792773A patent/GB1426460A/en not_active Expired
- 1973-12-19 CH CH1775573A patent/CH569354A5/xx not_active IP Right Cessation
- 1973-12-21 DD DD175599A patent/DD109467A5/xx unknown
- 1973-12-27 IT IT32316/73A patent/IT1002380B/it active
-
1974
- 1974-01-21 DE DE2402724A patent/DE2402724C3/de not_active Expired
- 1974-02-06 CS CS74800A patent/CS187405B2/cs unknown
- 1974-02-12 EG EG39/74A patent/EG11300A/xx active
- 1974-02-12 FR FR7404616A patent/FR2217780A1/fr not_active Withdrawn
- 1974-02-13 CA CA192,358A patent/CA1003513A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1426460A (en) | 1976-02-25 |
| FR2217780A1 (fr) | 1974-09-06 |
| SE386551B (sv) | 1976-08-09 |
| CH569354A5 (fr) | 1975-11-14 |
| DE2402724A1 (de) | 1975-02-13 |
| US3881159A (en) | 1975-04-29 |
| DE2402724C3 (de) | 1979-02-15 |
| IT1002380B (it) | 1976-05-20 |
| CA1003513A (en) | 1977-01-11 |
| DE2402724B2 (de) | 1978-06-08 |
| EG11300A (en) | 1978-06-30 |
| HU165863B (fr) | 1974-11-28 |
| CS187405B2 (en) | 1979-01-31 |