GB2201044B - High frequency circulator - Google Patents

High frequency circulator

Info

Publication number
GB2201044B
GB2201044B GB8703207A GB8703207A GB2201044B GB 2201044 B GB2201044 B GB 2201044B GB 8703207 A GB8703207 A GB 8703207A GB 8703207 A GB8703207 A GB 8703207A GB 2201044 B GB2201044 B GB 2201044B
Authority
GB
United Kingdom
Prior art keywords
high frequency
frequency circulator
circulator
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 - Fee Related
Application number
GB8703207A
Other versions
GB8703207D0 (en
GB2201044A (en
Inventor
Ann Catherine Gravina
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.)
Marconi Electronic Devices Ltd
Original Assignee
Marconi Electronic Devices Ltd
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 Marconi Electronic Devices Ltd filed Critical Marconi Electronic Devices Ltd
Priority to GB8703207A priority Critical patent/GB2201044B/en
Publication of GB8703207D0 publication Critical patent/GB8703207D0/en
Priority to EP87310880A priority patent/EP0281712A1/en
Publication of GB2201044A publication Critical patent/GB2201044A/en
Application granted granted Critical
Publication of GB2201044B publication Critical patent/GB2201044B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01P1/39—Hollow waveguide circulators
GB8703207A 1987-02-12 1987-02-12 High frequency circulator Expired - Fee Related GB2201044B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8703207A GB2201044B (en) 1987-02-12 1987-02-12 High frequency circulator
EP87310880A EP0281712A1 (en) 1987-02-12 1987-12-10 High frequency circulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8703207A GB2201044B (en) 1987-02-12 1987-02-12 High frequency circulator

Publications (3)

Publication Number Publication Date
GB8703207D0 GB8703207D0 (en) 1987-03-18
GB2201044A GB2201044A (en) 1988-08-17
GB2201044B true GB2201044B (en) 1991-03-20

Family

ID=10612163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8703207A Expired - Fee Related GB2201044B (en) 1987-02-12 1987-02-12 High frequency circulator

Country Status (2)

Country Link
EP (1) EP0281712A1 (en)
GB (1) GB2201044B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802070A1 (en) 1998-01-21 1999-07-29 Bosch Gmbh Robert E-plane waveguide circulator
CN113258237B (en) * 2021-03-30 2022-09-20 武汉凡谷电子技术股份有限公司 Dielectric waveguide circulator and isolator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB963414A (en) * 1962-08-23 1964-07-08 Mullard Ltd Waveguide circulator
GB977236A (en) * 1962-04-18 1964-12-02 Bendix Corp Microwave amplifier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127445A1 (en) * 1981-07-11 1982-04-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Millimetric-wave circulator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB977236A (en) * 1962-04-18 1964-12-02 Bendix Corp Microwave amplifier
GB963414A (en) * 1962-08-23 1964-07-08 Mullard Ltd Waveguide circulator

Also Published As

Publication number Publication date
EP0281712A1 (en) 1988-09-14
GB8703207D0 (en) 1987-03-18
GB2201044A (en) 1988-08-17

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960212