EP0707353A4 - Non-reciprocal circuit element for microwave - Google Patents

Non-reciprocal circuit element for microwave

Info

Publication number
EP0707353A4
EP0707353A4 EP94927809A EP94927809A EP0707353A4 EP 0707353 A4 EP0707353 A4 EP 0707353A4 EP 94927809 A EP94927809 A EP 94927809A EP 94927809 A EP94927809 A EP 94927809A EP 0707353 A4 EP0707353 A4 EP 0707353A4
Authority
EP
European Patent Office
Prior art keywords
microwave
circuit element
reciprocal circuit
reciprocal
circuit
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.)
Granted
Application number
EP94927809A
Other languages
German (de)
French (fr)
Other versions
EP0707353A1 (en
EP0707353B1 (en
Inventor
Hiroshi Marusawa
Takehiro Konoike
Kunisaburo Tomono
Takashi Kawanami
Takashi Hasegawa
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of EP0707353A1 publication Critical patent/EP0707353A1/en
Publication of EP0707353A4 publication Critical patent/EP0707353A4/en
Application granted granted Critical
Publication of EP0707353B1 publication Critical patent/EP0707353B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01P1/387Strip line circulators
    • 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00Waveguides; Transmission lines of the waveguide type
    • H01P3/18Waveguides; Transmission lines of the waveguide type built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers
EP94927809A 1994-04-28 1994-09-29 Non-reciprocal circuit element for microwave Expired - Lifetime EP0707353B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9101194 1994-04-28
JP91011/94 1994-04-28
JP09101194A JP3178239B2 (en) 1994-04-28 1994-04-28 Non-reciprocal circuit device
PCT/JP1994/001623 WO1995030252A1 (en) 1994-04-28 1994-09-29 Non-reciprocal circuit element for microwave

Publications (3)

Publication Number Publication Date
EP0707353A1 EP0707353A1 (en) 1996-04-17
EP0707353A4 true EP0707353A4 (en) 1996-09-04
EP0707353B1 EP0707353B1 (en) 2001-10-24

Family

ID=14014602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94927809A Expired - Lifetime EP0707353B1 (en) 1994-04-28 1994-09-29 Non-reciprocal circuit element for microwave

Country Status (6)

Country Link
EP (1) EP0707353B1 (en)
JP (1) JP3178239B2 (en)
KR (2) KR960701491A (en)
CN (1) CN1038543C (en)
DE (1) DE69428793T2 (en)
WO (1) WO1995030252A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69621567T2 (en) * 1995-11-27 2002-10-31 Murata Mfg. Co., Ltd. Non-reciprocal circuit element
JP3077057B2 (en) * 1997-01-14 2000-08-14 株式会社村田製作所 Non-reciprocal circuit device
JP3412588B2 (en) * 1999-12-17 2003-06-03 株式会社村田製作所 Non-reciprocal circuit device and communication device
JP4517326B2 (en) * 2000-03-27 2010-08-04 日立金属株式会社 Non-reciprocal circuit device and wireless communication device using the same
CN116454577B (en) * 2023-04-07 2024-09-13 大连麻利那电子有限公司 Processing technology of circulator center conductor and circulator center conductor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0446107A1 (en) * 1990-03-09 1991-09-11 Tekelec Airtronic Transmission system for electrical energy, in the microwave field, with gyromagnetic effect, such as a circulator, isolator or filter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6030121B2 (en) * 1980-07-09 1985-07-15 日立金属株式会社 Lumped circulators and isolators
JPS5761314A (en) * 1980-09-05 1982-04-13 Hitachi Metals Ltd Lumped constant type circulator and isolator
JPH0434520A (en) * 1990-05-31 1992-02-05 Victor Co Of Japan Ltd Recording medium and recorder
JP3121829B2 (en) * 1990-11-06 2001-01-09 ティーディーケイ株式会社 Non-reciprocal circuit device capacitor and non-reciprocal circuit device
JP3230586B2 (en) * 1991-05-22 2001-11-19 ティーディーケイ株式会社 Central conductor for non-reciprocal circuit device and non-reciprocal circuit device
JP3230588B2 (en) * 1991-07-15 2001-11-19 ティーディーケイ株式会社 Non-reciprocal circuit device
JP3211841B2 (en) * 1992-04-17 2001-09-25 株式会社村田製作所 Non-reciprocal circuit device and method of manufacturing the same
JP3213921B2 (en) * 1992-04-25 2001-10-02 株式会社村田製作所 Non-reciprocal circuit device
JPH06291514A (en) * 1993-04-02 1994-10-18 Murata Mfg Co Ltd Irreversible circuit element for microwave

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0446107A1 (en) * 1990-03-09 1991-09-11 Tekelec Airtronic Transmission system for electrical energy, in the microwave field, with gyromagnetic effect, such as a circulator, isolator or filter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9530252A1 *

Also Published As

Publication number Publication date
KR960701491A (en) 1996-02-24
CN1038543C (en) 1998-05-27
JP3178239B2 (en) 2001-06-18
CN1120375A (en) 1996-04-10
WO1995030252A1 (en) 1995-11-09
EP0707353A1 (en) 1996-04-17
DE69428793T2 (en) 2002-05-23
DE69428793D1 (en) 2001-11-29
JPH07297607A (en) 1995-11-10
KR100310729B1 (en) 2001-10-18
EP0707353B1 (en) 2001-10-24

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