GB1285660A - Improvements in or relating to high frequency electromagnetic wave circulators - Google Patents

Improvements in or relating to high frequency electromagnetic wave circulators

Info

Publication number
GB1285660A
GB1285660A GB51430/70A GB5143070A GB1285660A GB 1285660 A GB1285660 A GB 1285660A GB 51430/70 A GB51430/70 A GB 51430/70A GB 5143070 A GB5143070 A GB 5143070A GB 1285660 A GB1285660 A GB 1285660A
Authority
GB
United Kingdom
Prior art keywords
capacitance
conductors
plane
circulation
strips
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
GB51430/70A
Other languages
English (en)
Inventor
Reinhard Heinrich Knerr
Daniel John Thibault
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 GB1285660A publication Critical patent/GB1285660A/en
Expired legal-status Critical Current

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
    • H01P1/387—Strip line circulators

Landscapes

  • Non-Reversible Transmitting Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB51430/70A 1969-11-03 1970-10-29 Improvements in or relating to high frequency electromagnetic wave circulators Expired GB1285660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87337269A 1969-11-03 1969-11-03

Publications (1)

Publication Number Publication Date
GB1285660A true GB1285660A (en) 1972-08-16

Family

ID=25361510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51430/70A Expired GB1285660A (en) 1969-11-03 1970-10-29 Improvements in or relating to high frequency electromagnetic wave circulators

Country Status (8)

Country Link
US (1) US3605040A (enExample)
JP (1) JPS509661B1 (enExample)
BE (1) BE758313A (enExample)
DE (1) DE2053677C3 (enExample)
FR (1) FR2071862A5 (enExample)
GB (1) GB1285660A (enExample)
NL (1) NL173457C (enExample)
SE (1) SE364400B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890582A (en) * 1973-06-15 1975-06-17 Addington Lab Inc Floating-ground microwave ferrite isolators
US3836874A (en) * 1973-06-25 1974-09-17 Hitachi Ltd Lumped element circulator
JPS608643B2 (ja) * 1976-12-24 1985-03-05 日本電気株式会社 サーキユレータ
FR2418967A1 (fr) * 1978-03-03 1979-09-28 Lignes Telegraph Telephon Circulateur a elements localises a circuit d'elargissement de bande reglable
JPH01198802A (ja) * 1987-10-07 1989-08-10 Murata Mfg Co Ltd 非可逆回路素子
US5017894A (en) * 1989-02-01 1991-05-21 Hitachi Ferrite, Ltd. Lumped constant non-reciprocal circuit element
JP3807071B2 (ja) * 1997-12-08 2006-08-09 Ｔｄｋ株式会社 非可逆回路素子
JP4724152B2 (ja) 2006-08-31 2011-07-13 株式会社エヌ・ティ・ティ・ドコモ 非可逆回路素子
JP5089567B2 (ja) * 2008-02-20 2012-12-05 株式会社エヌ・ティ・ティ・ドコモ 非可逆回路素子

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165711A (en) * 1960-06-10 1965-01-12 Bendix Corp Anisotropic circulator with dielectric posts adjacent the strip line providing discontinuity for minimizing reflections
US3335374A (en) * 1964-05-14 1967-08-08 Japan Broadcasting Corp Lumped element y circulator
US3334318A (en) * 1964-12-05 1967-08-01 Mitsubishi Electric Corp Stripline circulator having means causing electrostatic capacitance between adjacent pairs of terminals to be substantially equal to each other
DE1282754B (de) * 1966-03-28 1968-11-14 Siemens Ag Zirkulator mit konzentrierten Schaltelementen fuer kurze elektromagnetische Wellen

Also Published As

Publication number Publication date
SE364400B (enExample) 1974-02-18
JPS509661B1 (enExample) 1975-04-15
NL173457B (nl) 1983-08-16
BE758313A (fr) 1971-04-01
DE2053677B2 (de) 1981-06-25
FR2071862A5 (enExample) 1971-09-17
US3605040A (en) 1971-09-14
DE2053677C3 (de) 1982-02-11
NL7015801A (enExample) 1971-05-05
NL173457C (nl) 1984-01-16
DE2053677A1 (de) 1971-05-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee