GB1302658A - - Google Patents

Info

Publication number
GB1302658A
GB1302658A GB1749271A GB1749271A GB1302658A GB 1302658 A GB1302658 A GB 1302658A GB 1749271 A GB1749271 A GB 1749271A GB 1749271 A GB1749271 A GB 1749271A GB 1302658 A GB1302658 A GB 1302658A
Authority
GB
United Kingdom
Prior art keywords
odd
dielectric
mode
dielectric constant
modes
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
GB1749271A
Other languages
English (en)
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 filed Critical
Publication of GB1302658A publication Critical patent/GB1302658A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
    • H01P5/185—Edge coupled lines

Landscapes

  • Waveguides (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB1749271A 1970-07-30 1971-05-27 Expired GB1302658A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5947970A 1970-07-30 1970-07-30

Publications (1)

Publication Number Publication Date
GB1302658A true GB1302658A (fr) 1973-01-10

Family

ID=22023211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1749271A Expired GB1302658A (fr) 1970-07-30 1971-05-27

Country Status (8)

Country Link
US (1) US3659228A (fr)
JP (1) JPS5210345B1 (fr)
AU (1) AU463605B2 (fr)
CA (1) CA927938A (fr)
DE (1) DE2138315A1 (fr)
FR (1) FR2112191B1 (fr)
GB (1) GB1302658A (fr)
NL (1) NL7110480A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2320370A (en) * 1996-12-16 1998-06-17 Murata Manfacturing Co Ltd Coupled line and method of manufacture

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970927A (en) * 1973-11-30 1976-07-20 Plessey Handel Und Investments A.G. Method and apparatus including a sensing head with a pair of strip transmission lines for detecting metallic objects
US3961296A (en) * 1975-03-06 1976-06-01 Motorola, Inc. Slotted strip-line
JPS51132948A (en) * 1975-05-15 1976-11-18 Nippon Telegr & Teleph Corp <Ntt> Distribution coupling type directional coupler
JPS5423447A (en) * 1977-07-25 1979-02-22 Toshiba Corp Strip line coupling circuit
US4375054A (en) * 1981-02-04 1983-02-22 Rockwell International Corporation Suspended substrate-3 dB microwave quadrature coupler
DE3228993A1 (de) * 1982-08-03 1984-02-09 Siemens AG, 1000 Berlin und 8000 München Mikrowellen-microstrip-mehrleitersystem, bestehend aus n parallelen streifenleitern
US4737740A (en) * 1983-05-26 1988-04-12 The United States Of America As Represented By The Secretary Of The Navy Discontinuous-taper directional coupler
FR2587844B1 (fr) * 1985-09-20 1987-11-20 Thomson Csf Circuit hyperfrequence a faibles capacites parasites
AT393048B (de) * 1987-04-17 1991-07-25 Siemens Ag Oesterreich Richtkoppler in mikrostrip-technik
JP2829352B2 (ja) * 1989-08-31 1998-11-25 日本特殊陶業株式会社 三導体構造フィルタの帯域幅調整法
US5138287A (en) * 1990-05-11 1992-08-11 Hewlett-Packard Company High frequency common mode choke
JP2651336B2 (ja) * 1993-06-07 1997-09-10 株式会社エイ・ティ・アール光電波通信研究所 方向性結合器
US5561378A (en) * 1994-07-05 1996-10-01 Motorola, Inc. Circuit probe for measuring a differential circuit
US5634208A (en) * 1995-03-28 1997-05-27 Nippon Telegraph And Telephone Corporation Multilayer transmission line using ground metal with slit, and hybrid using the transmission line
KR100339373B1 (ko) * 1998-10-13 2002-07-18 구자홍 마이크로스트립카플러및그의제조방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2951218A (en) * 1957-02-19 1960-08-30 Itt Directional couplings
US3094677A (en) * 1960-12-19 1963-06-18 Bell Telephone Labor Inc Strip line wave guide coupler
US3512110A (en) * 1968-05-06 1970-05-12 Motorola Inc Microstrip-microwave coupler
US3480884A (en) * 1968-08-26 1969-11-25 Hewlett Packard Co Electromagnetic wave energy coupling apparatus comprising an anisotropic dielectric slab
US3575674A (en) * 1969-05-09 1971-04-20 Microwave Ass Microstrip iris directional coupler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2320370A (en) * 1996-12-16 1998-06-17 Murata Manfacturing Co Ltd Coupled line and method of manufacture
GB2320370B (en) * 1996-12-16 1999-06-02 Murata Manfacturing Co Ltd Coupled line and method of producing the same
US6016087A (en) * 1996-12-16 2000-01-18 Murata Manufacturing Co., Ltd. Coupled microstrip lines

Also Published As

Publication number Publication date
CA927938A (en) 1973-06-05
DE2138315A1 (de) 1972-02-03
JPS5210345B1 (fr) 1977-03-23
AU3126871A (en) 1973-01-18
FR2112191A1 (fr) 1972-06-16
AU463605B2 (en) 1975-07-31
US3659228A (en) 1972-04-25
FR2112191B1 (fr) 1976-09-03
NL7110480A (fr) 1972-02-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees