DE68917942T2 - Resonanzabsorptionsisolator für eine Mikrostreifenleitung. - Google Patents

Resonanzabsorptionsisolator für eine Mikrostreifenleitung.

Info

Publication number
DE68917942T2
DE68917942T2 DE68917942T DE68917942T DE68917942T2 DE 68917942 T2 DE68917942 T2 DE 68917942T2 DE 68917942 T DE68917942 T DE 68917942T DE 68917942 T DE68917942 T DE 68917942T DE 68917942 T2 DE68917942 T2 DE 68917942T2
Authority
DE
Germany
Prior art keywords
microstrip line
resonance absorption
isolator
absorption isolator
resonance
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
DE68917942T
Other languages
English (en)
Other versions
DE68917942D1 (de
Inventor
Shigeru Takeda
Takashi Tsuboi
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.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
Hitachi Ferrite 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 Hitachi Metals Ltd, Hitachi Ferrite Ltd filed Critical Hitachi Metals Ltd
Application granted granted Critical
Publication of DE68917942D1 publication Critical patent/DE68917942D1/de
Publication of DE68917942T2 publication Critical patent/DE68917942T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • 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
    • H01P1/36—Isolators
    • H01P1/365—Resonance absorption isolators
DE68917942T 1988-01-20 1989-01-20 Resonanzabsorptionsisolator für eine Mikrostreifenleitung. Expired - Fee Related DE68917942T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63009940A JPH01186001A (ja) 1988-01-20 1988-01-20 共鳴吸収型マイクロストリップラインアイソレータ

Publications (2)

Publication Number Publication Date
DE68917942D1 DE68917942D1 (de) 1994-10-13
DE68917942T2 true DE68917942T2 (de) 1995-01-05

Family

ID=11734010

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68917942T Expired - Fee Related DE68917942T2 (de) 1988-01-20 1989-01-20 Resonanzabsorptionsisolator für eine Mikrostreifenleitung.

Country Status (5)

Country Link
US (1) US4943790A (de)
EP (1) EP0325282B1 (de)
JP (1) JPH01186001A (de)
KR (1) KR920004329B1 (de)
DE (1) DE68917942T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3264193B2 (ja) * 1995-11-27 2002-03-11 株式会社村田製作所 非可逆回路素子

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1187275A (fr) * 1957-11-26 1959-09-09 Csf Dispositif non réciproque à ferrite utilisant la ligne triplaque
US3289110A (en) * 1964-01-27 1966-11-29 Massachusetts Inst Technology Non-reciprocal multi-element tem transmission line device
US3317863A (en) * 1965-05-07 1967-05-02 Bell Telephone Labor Inc Variable ferromagnetic attenuator having a constant phase shift for a range of wave attenuation
US3418605A (en) * 1966-06-30 1968-12-24 Research Corp Nonreciprocal microstrip ferrite phase shifter having regions of circular polarization
US3539950A (en) * 1969-07-23 1970-11-10 Us Army Microstrip reciprocal latching ferrite phase shifter
US3753162A (en) * 1971-09-27 1973-08-14 D Charlton Microstrip ferrite phase shifters having time segments varying in length in accordance with preselected phase shift characteristic
US3835420A (en) * 1972-07-26 1974-09-10 Mitsubishi Electric Corp Isolator
US4050038A (en) * 1974-09-04 1977-09-20 Nippon Electric Company, Ltd. Edge-guided mode non-reciprocal circuit element for microwave energy
IT7928145A0 (it) * 1979-12-18 1979-12-18 Sits Soc It Telecom Siemens Sfasatore differenziale a ferrite per elevate potenze.

Also Published As

Publication number Publication date
EP0325282A3 (en) 1990-07-04
KR920004329B1 (ko) 1992-06-01
EP0325282A2 (de) 1989-07-26
JPH01186001A (ja) 1989-07-25
EP0325282B1 (de) 1994-09-07
US4943790A (en) 1990-07-24
DE68917942D1 (de) 1994-10-13
KR890012329A (ko) 1989-08-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee