GB1245788A - Improvements in or relating to electromagnetic waveguide circulators - Google Patents

Improvements in or relating to electromagnetic waveguide circulators

Info

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
Application number
GB59923/68A
Other languages
English (en)
Inventor
Masahiro Omori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1245788A publication Critical patent/GB1245788A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/32Non-reciprocal transmission devices
    • H01P1/38Circulators
    • H01P1/383Junction circulators, e.g. Y-circulators
    • H01P1/39Hollow waveguide circulators

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
GB59923/68A 1967-12-21 1968-12-17 Improvements in or relating to electromagnetic waveguide circulators Expired GB1245788A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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