FR2112191A1 - - Google Patents
Info
- Publication number
- FR2112191A1 FR2112191A1 FR7127699A FR7127699A FR2112191A1 FR 2112191 A1 FR2112191 A1 FR 2112191A1 FR 7127699 A FR7127699 A FR 7127699A FR 7127699 A FR7127699 A FR 7127699A FR 2112191 A1 FR2112191 A1 FR 2112191A1
- Authority
- FR
- France
- 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
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5947970A | 1970-07-30 | 1970-07-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2112191A1 true FR2112191A1 (fr) | 1972-06-16 |
FR2112191B1 FR2112191B1 (fr) | 1976-09-03 |
Family
ID=22023211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7127699A Expired FR2112191B1 (fr) | 1970-07-30 | 1971-07-28 |
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) |
Families Citing this family (16)
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 |
JPH10173413A (ja) * | 1996-12-16 | 1998-06-26 | Murata Mfg Co Ltd | 結合線路および結合線路の作成方法 |
KR100339373B1 (ko) * | 1998-10-13 | 2002-07-18 | 구자홍 | 마이크로스트립카플러및그의제조방법 |
Family Cites Families (5)
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 |
-
1970
- 1970-07-30 US US59479A patent/US3659228A/en not_active Expired - Lifetime
-
1971
- 1971-05-21 CA CA113700A patent/CA927938A/en not_active Expired
- 1971-05-27 GB GB1749271A patent/GB1302658A/en not_active Expired
- 1971-07-15 AU AU31268/71A patent/AU463605B2/en not_active Expired
- 1971-07-28 FR FR7127699A patent/FR2112191B1/fr not_active Expired
- 1971-07-28 JP JP46056685A patent/JPS5210345B1/ja active Pending
- 1971-07-29 NL NL7110480A patent/NL7110480A/xx unknown
- 1971-07-30 DE DE19712138315 patent/DE2138315A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
AU3126871A (en) | 1973-01-18 |
CA927938A (en) | 1973-06-05 |
US3659228A (en) | 1972-04-25 |
AU463605B2 (en) | 1975-07-31 |
GB1302658A (fr) | 1973-01-10 |
FR2112191B1 (fr) | 1976-09-03 |
JPS5210345B1 (fr) | 1977-03-23 |
NL7110480A (fr) | 1972-02-01 |
DE2138315A1 (de) | 1972-02-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |