BE506885A - - Google Patents
Info
- Publication number
- BE506885A BE506885A BE506885DA BE506885A BE 506885 A BE506885 A BE 506885A BE 506885D A BE506885D A BE 506885DA BE 506885 A BE506885 A BE 506885A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/003—One-port networks comprising only passive electrical elements as network components comprising distributed impedance elements together with lumped impedance elements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US194098A US2753530A (en) | 1950-11-04 | 1950-11-04 | High q. frequency tuner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE506885A true BE506885A (US07235543-20070626-C00056.png) |
Family
ID=22716291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE506885D BE506885A (US07235543-20070626-C00056.png) | 1950-11-04 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2753530A (US07235543-20070626-C00056.png) |
| BE (1) | BE506885A (US07235543-20070626-C00056.png) |
| CH (1) | CH303473A (US07235543-20070626-C00056.png) |
| GB (1) | GB691580A (US07235543-20070626-C00056.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2872649A (en) * | 1955-10-25 | 1959-02-03 | Avco Mfg Corp | Intermediate frequency transformer |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3235805A (en) * | 1957-04-01 | 1966-02-15 | Donald L Hings | Omnipole antenna |
| US2913681A (en) * | 1957-06-12 | 1959-11-17 | Aladdin Ind Inc | Sleeve-tuned band-pass tuner with variable coupling |
| GB855560A (en) * | 1957-09-24 | 1960-12-07 | Telefunken Gmbh | Improvements in or relating to band pass filters and amplifiers for use on very highfrequencies |
| US3064257A (en) * | 1958-02-14 | 1962-11-13 | James D Guest | Antenna with adjustable tuning reactance |
| US3159803A (en) * | 1960-11-30 | 1964-12-01 | Bunker Ramo | Dual coaxial cavity resonators with variable coupling therebetween |
| US3247475A (en) * | 1963-09-06 | 1966-04-19 | Motorola Inc | Helical resonator with variable capacitor having fixed plate which also functions as inductance |
| US3337791A (en) * | 1964-08-20 | 1967-08-22 | Rca Corp | Frequency multiplier |
| US3437959A (en) * | 1966-01-20 | 1969-04-08 | Webb James E | Helical coaxial resonator rf filter |
| US3538463A (en) * | 1966-11-22 | 1970-11-03 | Arf Products | Microwave filter |
| US3624515A (en) * | 1968-07-15 | 1971-11-30 | Motorola Inc | Ultrahigh frequency tuner with helical resonators coupled through apertures in shields |
| US3581249A (en) * | 1969-01-27 | 1971-05-25 | Gen Electric | Miniature helical resonators |
| US3621484A (en) * | 1970-03-05 | 1971-11-16 | Motorola Inc | Helical resonator having variable capacitor which includes windings of reduced diameter as one plate thereof |
| US3691487A (en) * | 1970-04-24 | 1972-09-12 | Toko Inc | Helical resonator type filter |
| US3763447A (en) * | 1970-12-16 | 1973-10-02 | Yagi Antenna | High frequency helical filter |
| GB1602770A (en) * | 1977-06-03 | 1981-11-18 | Matsushita Electric Ind Co Ltd | Band pass filter |
| US4183002A (en) * | 1978-05-26 | 1980-01-08 | Rca Corporation | Winding structure |
| US4361821A (en) * | 1981-04-13 | 1982-11-30 | General Electric Company | Capacitor coupling arrangement for UHF resonant structure |
| US4737744A (en) * | 1986-02-21 | 1988-04-12 | Tektronix, Inc. | Integrated capacitors for forming components of bandpass filters |
| FR2835092B1 (fr) * | 2002-01-23 | 2004-03-05 | Bruker Biospin Sa | Module de filtre de type l-c et filtre helicoidal compose d'au moins deux tels modules |
| DE102017211936A1 (de) * | 2017-07-12 | 2019-01-17 | Siemens Healthcare Gmbh | Flacher einstellbarer Kondensator für Magnetresonanztomograph |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2109843A (en) * | 1933-08-31 | 1938-03-01 | Kassner Ernst Eduard Wilhelm | Apparatus for generating and applying ultrashort electromagnetic waves |
| US2163775A (en) * | 1937-04-19 | 1939-06-27 | Rca Corp | Radio frequency filter |
| US2422458A (en) * | 1942-04-04 | 1947-06-17 | Amy Aceves & King Inc | Filter device for antenna systems |
| US2383475A (en) * | 1942-07-18 | 1945-08-28 | Standard Telephones Cables Ltd | Transformer |
| US2388049A (en) * | 1943-08-25 | 1945-10-30 | Herbert A Bell | Attenuator |
| US2465102A (en) * | 1943-10-04 | 1949-03-22 | Rca Corp | Radio-frequency heating apparatus |
| US2527608A (en) * | 1944-04-21 | 1950-10-31 | Int Standard Electric Corp | Constant impedance network |
| US2428272A (en) * | 1944-11-08 | 1947-09-30 | Rca Corp | Transmission line transducer |
| BE474970A (US07235543-20070626-C00056.png) * | 1945-06-14 | |||
| US2503084A (en) * | 1947-09-08 | 1950-04-04 | Globe Union Inc | Electric capacitor |
| US2589092A (en) * | 1948-11-10 | 1952-03-11 | Rca Corp | Variable capacitor |
| BE551030A (US07235543-20070626-C00056.png) * | 1949-10-10 | |||
| US2579789A (en) * | 1950-04-07 | 1951-12-25 | Avco Mfg Corp | Tuner for television receivers |
-
0
- BE BE506885D patent/BE506885A/xx unknown
-
1950
- 1950-11-04 US US194098A patent/US2753530A/en not_active Expired - Lifetime
-
1951
- 1951-11-02 GB GB25670/51A patent/GB691580A/en not_active Expired
- 1951-11-03 CH CH303473D patent/CH303473A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2872649A (en) * | 1955-10-25 | 1959-02-03 | Avco Mfg Corp | Intermediate frequency transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CH303473A (fr) | 1954-11-30 |
| GB691580A (en) | 1953-05-13 |
| US2753530A (en) | 1956-07-03 |
