GB1245788A - Improvements in or relating to electromagnetic waveguide circulators - Google Patents
Improvements in or relating to electromagnetic waveguide circulatorsInfo
- Publication number
- GB1245788A GB1245788A GB59923/68A GB5992368A GB1245788A GB 1245788 A GB1245788 A GB 1245788A GB 59923/68 A GB59923/68 A GB 59923/68A GB 5992368 A GB5992368 A GB 5992368A GB 1245788 A GB1245788 A GB 1245788A
- Authority
- GB
- United Kingdom
- Prior art keywords
- waveguides
- dimension
- cavity
- junction
- plane
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
- H01P1/39—Hollow waveguide circulators
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69236667A | 1967-12-21 | 1967-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1245788A true GB1245788A (en) | 1971-09-08 |
Family
ID=24780287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB59923/68A Expired GB1245788A (en) | 1967-12-21 | 1968-12-17 | Improvements in or relating to electromagnetic waveguide circulators |
Country Status (6)
Country | Link |
---|---|
US (1) | US3492601A (enrdf_load_stackoverflow) |
BE (1) | BE725654A (enrdf_load_stackoverflow) |
DE (1) | DE1815570A1 (enrdf_load_stackoverflow) |
FR (1) | FR1597008A (enrdf_load_stackoverflow) |
GB (1) | GB1245788A (enrdf_load_stackoverflow) |
NL (1) | NL156269B (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1303000A1 (en) * | 2001-10-10 | 2003-04-16 | Marconi Communications GmbH | Circulator |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1190547A (en) * | 1969-03-05 | 1970-05-06 | Standard Telephones Cables Ltd | Improvements in Electrical Waveguide Arrangements |
US3617946A (en) * | 1970-02-02 | 1971-11-02 | Bell Telephone Labor Inc | Junction circulator wherein a conductive core extends within gyromagnetic material |
DE3527189A1 (de) * | 1985-07-30 | 1987-02-12 | Ant Nachrichtentech | Hohlleiterverzweigungszirkulator fuer grosse hochfrequenzleistungen |
US4801902A (en) * | 1986-04-15 | 1989-01-31 | Electromagnetic Sciences, Inc. | Waveguide circulator with I/O port impedance matching produced by ferrite-port gap dimensioning |
DE19802070A1 (de) * | 1998-01-21 | 1999-07-29 | Bosch Gmbh Robert | E-Ebenen Hohlleiter-Zirkulator |
US6147502A (en) * | 1998-04-10 | 2000-11-14 | Bechtel Bwxt Idaho, Llc | Method and apparatus for measuring butterfat and protein content using microwave absorption techniques |
DE19846112C1 (de) * | 1998-10-07 | 2000-05-04 | Bosch Gmbh Robert | Hohlleiter-Zirkulator |
US9263783B2 (en) | 2014-01-21 | 2016-02-16 | Honeywell International Inc. | Waveguide circulator having stepped floor/ceiling and quarter-wave dielectric transformer |
WO2016079907A1 (ja) * | 2014-11-19 | 2016-05-26 | 日本電気株式会社 | サーキュレータ、及び無線通信装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1073561B (de) * | 1957-12-02 | 1960-01-21 | N V Philips Gloeilampenfabrieken Eindhoven (Niederlande) | Hohlleiterzirkulator |
US3085212A (en) * | 1961-04-17 | 1963-04-09 | Sperry Rand Corp | Tunable circulator |
NL303018A (enrdf_load_stackoverflow) * | 1963-12-31 | 1965-10-25 |
-
1967
- 1967-12-21 US US692366A patent/US3492601A/en not_active Expired - Lifetime
-
1968
- 1968-12-13 NL NL6817931.A patent/NL156269B/xx not_active IP Right Cessation
- 1968-12-17 GB GB59923/68A patent/GB1245788A/en not_active Expired
- 1968-12-18 BE BE725654D patent/BE725654A/xx not_active IP Right Cessation
- 1968-12-19 DE DE19681815570 patent/DE1815570A1/de not_active Withdrawn
- 1968-12-20 FR FR1597008D patent/FR1597008A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1303000A1 (en) * | 2001-10-10 | 2003-04-16 | Marconi Communications GmbH | Circulator |
CN1294674C (zh) * | 2001-10-10 | 2007-01-10 | 马科尼通讯股份有限公司 | 具有可变形的膜片的微波循环器 |
US7196593B2 (en) | 2001-10-10 | 2007-03-27 | Marconi Communications Gmbh | Microwave circulator with deformable membrane |
Also Published As
Publication number | Publication date |
---|---|
FR1597008A (enrdf_load_stackoverflow) | 1970-06-22 |
DE1815570B2 (enrdf_load_stackoverflow) | 1970-07-09 |
NL6817931A (enrdf_load_stackoverflow) | 1969-06-24 |
DE1815570A1 (de) | 1969-12-04 |
BE725654A (enrdf_load_stackoverflow) | 1969-05-29 |
NL156269B (nl) | 1978-03-15 |
US3492601A (en) | 1970-01-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3265995A (en) | Transmission line to waveguide junction | |
US2407267A (en) | Ultra high frequency attenuator | |
GB1131114A (en) | Improvements in or relating to microwave filters | |
GB1356884A (en) | Broadband waveguide circulators | |
GB1245788A (en) | Improvements in or relating to electromagnetic waveguide circulators | |
US2514544A (en) | High-frequency attenuating device | |
GB761790A (en) | Microwave power splitting junctions | |
GB1157449A (en) | Improvements in or relating to a High-Frequency Filter | |
GB1236983A (en) | Improvements in or relating to electro-magnetic wave filters | |
US3697902A (en) | Slotted microstrip line for impedance matching having two stops to prevent ohmic contact between the movable reactive element and the center strip | |
GB1082048A (en) | High frequency electron discharge devices | |
GB608481A (en) | Improvements in or relating to attenuators for high frequency electromagnetic energy | |
GB989386A (en) | Improvements in or relating to waveguide filters | |
GB865474A (en) | Improvements in and relating to radio frequency coupling devices | |
US4174507A (en) | Four-port magic tee having cavity structure at fourth port | |
GB627092A (en) | Wave guide | |
GB1190547A (en) | Improvements in Electrical Waveguide Arrangements | |
US2766432A (en) | Wave guide transition | |
GB957998A (en) | Variable microwave phase shifter | |
US3364383A (en) | Waveguide impedance transformers | |
GB1285652A (en) | Improvements in or relating to waveguide isolators | |
US2422191A (en) | Impedance transformer for wave guides | |
GB1028180A (en) | Improvements relating to waveguides | |
US2985853A (en) | Microwave attenuator or modulator | |
US2967974A (en) | Magnetron output coupler |