GB818665A - Improvements in or relating to ultra-high frequency directional coupler filters - Google Patents
Improvements in or relating to ultra-high frequency directional coupler filtersInfo
- Publication number
- GB818665A GB818665A GB36037/57A GB3603757A GB818665A GB 818665 A GB818665 A GB 818665A GB 36037/57 A GB36037/57 A GB 36037/57A GB 3603757 A GB3603757 A GB 3603757A GB 818665 A GB818665 A GB 818665A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cavity
- mode
- filters
- guides
- resonant frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 abstract 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 230000005684 electric field Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000000644 propagated effect Effects 0.000 abstract 1
- 230000001902 propagating effect Effects 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/215—Frequency-selective devices, e.g. filters using ferromagnetic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1213073X | 1956-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB818665A true GB818665A (en) | 1959-08-19 |
Family
ID=9676399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB36037/57A Expired GB818665A (en) | 1956-11-19 | 1957-11-19 | Improvements in or relating to ultra-high frequency directional coupler filters |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2934720A (enrdf_load_stackoverflow) |
| BE (1) | BE561886A (enrdf_load_stackoverflow) |
| CH (1) | CH354867A (enrdf_load_stackoverflow) |
| DE (1) | DE1213073B (enrdf_load_stackoverflow) |
| FR (1) | FR1160863A (enrdf_load_stackoverflow) |
| GB (1) | GB818665A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3108742C2 (de) * | 1981-03-07 | 1985-11-14 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Selektiver Richtkoppler |
| US9385406B2 (en) | 2012-12-14 | 2016-07-05 | Apollo Microwaves, Ltd. | Non-reciprocal gyromagnetic phase shift devices using multiple ferrite-containing slabs |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2626990A (en) * | 1948-05-04 | 1953-01-27 | Bell Telephone Labor Inc | Guided wave frequency range transducer |
| US2748350A (en) * | 1951-09-05 | 1956-05-29 | Bell Telephone Labor Inc | Ultra-high frequency selective mode directional coupler |
| US2823356A (en) * | 1952-12-11 | 1958-02-11 | Bell Telephone Labor Inc | Frequency selective high frequency power dividing networks |
| FR1079880A (fr) * | 1953-03-23 | 1954-12-03 | Coupleurs directionnels résonnants |
-
0
- BE BE561886D patent/BE561886A/xx unknown
-
1956
- 1956-11-19 FR FR1160863D patent/FR1160863A/fr not_active Expired
-
1957
- 1957-10-11 CH CH354867D patent/CH354867A/fr unknown
- 1957-10-16 US US690514A patent/US2934720A/en not_active Expired - Lifetime
- 1957-11-19 DE DEM35951A patent/DE1213073B/de active Pending
- 1957-11-19 GB GB36037/57A patent/GB818665A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1160863A (fr) | 1958-08-12 |
| DE1213073B (de) | 1966-03-24 |
| CH354867A (fr) | 1961-06-15 |
| BE561886A (enrdf_load_stackoverflow) | |
| US2934720A (en) | 1960-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3697898A (en) | Plural cavity bandpass waveguide filter | |
| US3025478A (en) | Microwave devices for waveguides of circular cross section | |
| US2626990A (en) | Guided wave frequency range transducer | |
| US2999988A (en) | Resonant directional couplers | |
| Lin | Microwave filters employing a single cavity excited in more than one mode | |
| US2728050A (en) | Device for modulating ultra-short waves in a transmission line | |
| GB820632A (en) | Improvements in or relating to ultra-high frequency band separating filters | |
| US4077039A (en) | Launching and/or receiving network for an antenna feedhorn | |
| GB800056A (en) | Improvements in resonant directional waveguide couplers | |
| US3016495A (en) | Magnetostatic microwave devices | |
| US3327250A (en) | Multi-mode broad-band selective coupler | |
| US2961618A (en) | Selective mode transducer | |
| US3668564A (en) | Waveguide channel diplexer and mode transducer | |
| US2897457A (en) | Resonant directional coupler with square guide | |
| GB810057A (en) | Improvements in wide-band directional waveguide couplers | |
| CA1271532A (en) | Microwave filter | |
| GB818665A (en) | Improvements in or relating to ultra-high frequency directional coupler filters | |
| GB803621A (en) | Improvements in or relating to electromagnetic wave devices | |
| US3218586A (en) | Transmission of dominant transverse electric mode in large rectangular waveguide, with polarization parallel to width, by use of mode absorber | |
| US3614672A (en) | Waveguide couplers | |
| US2951216A (en) | Reflectionless microwave filter | |
| US2548672A (en) | Multiresonant wave-guide structure | |
| US3886499A (en) | High frequency electrical network with frequency dependent characteristics having a constant input resistance | |
| US3287667A (en) | Low attenuation very high frequency time delay vs. frequency variation correcting network | |
| US2922122A (en) | Wave-guide coupler |