BE709583A - - Google Patents
Info
- Publication number
- BE709583A BE709583A BE709583DA BE709583A BE 709583 A BE709583 A BE 709583A BE 709583D A BE709583D A BE 709583DA BE 709583 A BE709583 A BE 709583A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0153—Electrical filters; Controlling thereof
- H03H7/0161—Bandpass filters
- H03H7/0169—Intermediate frequency filters
- H03H7/0184—Intermediate frequency filters with ferromagnetic core
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61034867A | 1967-01-19 | 1967-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE709583A true BE709583A (US07534539-20090519-C00280.png) | 1968-05-30 |
Family
ID=24444662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE709583D BE709583A (US07534539-20090519-C00280.png) | 1967-01-19 | 1968-01-18 |
Country Status (9)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935397A (en) * | 1974-01-28 | 1976-01-27 | Electronic Industries, Inc. | Electrostatic loudspeaker element |
| US4531109A (en) * | 1983-03-28 | 1985-07-23 | Rca Corporation | Tuning coil structure |
| US6950005B2 (en) * | 2003-06-30 | 2005-09-27 | International Business Machines Corporation | Adjustable coilform for variable inductance |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE22195E (en) * | 1942-10-06 | Coupling system | ||
| US1554935A (en) * | 1924-11-22 | 1925-09-22 | Harold H Wilcox | Induction-coil mounting |
| US2925495A (en) * | 1958-01-06 | 1960-02-16 | Aladdin Ind Inc | Tuner with primary coil on moving sleeve |
| US2982586A (en) * | 1959-08-07 | 1961-05-02 | Francis J Gliebe | Fishing net construction |
| US3281744A (en) * | 1964-04-22 | 1966-10-25 | Cambridge Thermionic Corp | Variable core locked impedance devices |
-
1967
- 1967-01-19 US US610348A patent/US3432785A/en not_active Expired - Lifetime
-
1968
- 1968-01-10 AT AT24168A patent/AT300145B/de not_active IP Right Cessation
- 1968-01-16 FR FR1551515D patent/FR1551515A/fr not_active Expired
- 1968-01-18 NL NL6800787A patent/NL6800787A/xx unknown
- 1968-01-18 ES ES349461A patent/ES349461A1/es not_active Expired
- 1968-01-18 BE BE709583D patent/BE709583A/xx unknown
- 1968-01-18 SE SE656/68A patent/SE342348B/xx unknown
- 1968-01-19 DE DE19681639374 patent/DE1639374A1/de active Pending
- 1968-01-19 GB GB3053/68A patent/GB1160053A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1551515A (US07534539-20090519-C00280.png) | 1968-12-27 |
| US3432785A (en) | 1969-03-11 |
| ES349461A1 (es) | 1969-04-01 |
| DE1639374A1 (de) | 1971-02-25 |
| SE342348B (US07534539-20090519-C00280.png) | 1972-01-31 |
| GB1160053A (en) | 1969-07-30 |
| NL6800787A (US07534539-20090519-C00280.png) | 1968-07-22 |
| AT300145B (de) | 1972-07-10 |
