US2794959A - Directional coupler for all-dielectric waveguide - Google Patents
Directional coupler for all-dielectric waveguide Download PDFInfo
- Publication number
- US2794959A US2794959A US274313A US27431352A US2794959A US 2794959 A US2794959 A US 2794959A US 274313 A US274313 A US 274313A US 27431352 A US27431352 A US 27431352A US 2794959 A US2794959 A US 2794959A
- Authority
- US
- United States
- Prior art keywords
- guide
- dielectric
- wave
- guides
- strip
- 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 - Lifetime
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Classifications
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- 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
- H01P5/188—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 dielectric waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/16—Dielectric waveguides, i.e. without a longitudinal conductor
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL97161D NL97161C (de) | 1952-03-01 | ||
NLAANVRAGE7505301,A NL175381B (nl) | 1952-03-01 | Strekbank voor het behandelen van pijn, vermoeidheid, en dergelijke in de rug van een patient. | |
US274313A US2794959A (en) | 1952-03-01 | 1952-03-01 | Directional coupler for all-dielectric waveguide |
DEW9923A DE964693C (de) | 1952-03-01 | 1952-11-12 | Mikrowellen-Richtkoppler |
GB4097/53A GB731473A (en) | 1952-03-01 | 1953-02-13 | Improvements in or relating to electromagnetic wave-guiding members and apparatus |
US450627A US2829351A (en) | 1952-03-01 | 1954-08-18 | Shielded dielectric wave guides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US274313A US2794959A (en) | 1952-03-01 | 1952-03-01 | Directional coupler for all-dielectric waveguide |
Publications (1)
Publication Number | Publication Date |
---|---|
US2794959A true US2794959A (en) | 1957-06-04 |
Family
ID=23047681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US274313A Expired - Lifetime US2794959A (en) | 1952-03-01 | 1952-03-01 | Directional coupler for all-dielectric waveguide |
Country Status (4)
Country | Link |
---|---|
US (1) | US2794959A (de) |
DE (1) | DE964693C (de) |
GB (1) | GB731473A (de) |
NL (2) | NL97161C (de) |
Cited By (193)
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US3047822A (en) * | 1957-12-23 | 1962-07-31 | Thompson Ramo Wooldridge Inc | Wave communicating device |
US3079551A (en) * | 1958-01-23 | 1963-02-26 | Beloit Iron Works | Apparatus and method for measurement of moisture content |
US3166723A (en) * | 1961-03-06 | 1965-01-19 | Micro Radionics Inc | Variable directional coupler having a movable articulated conductor |
US3167727A (en) * | 1961-03-09 | 1965-01-26 | Boeing Co | Microwave zig-zag line couplers |
US3199054A (en) * | 1960-10-17 | 1965-08-03 | Thompson Ramo Wooldridge Inc | Shielded delay line |
DE1221375B (de) * | 1961-06-08 | 1966-07-21 | Robert Bosch Elektronik | Frequenzabhaengiges elektrisches Netzwerk fuer sehr hohe Frequenzen, wie Frequenzfilter, Frequenzweiche od. dgl. |
US3390356A (en) * | 1965-07-30 | 1968-06-25 | Hewlett Packard Co | Tem mode coupler having an exponentially varying coefficient of coupling |
US3394306A (en) * | 1964-08-03 | 1968-07-23 | Mb Assoc | Transmission line scattering range utilizing directionally controlled unradiated waveuiding for measuring reflective wave properties |
US3432775A (en) * | 1965-10-08 | 1969-03-11 | Hughes Aircraft Co | Wide-band hybrid network |
US3441844A (en) * | 1965-06-16 | 1969-04-29 | Beloit Corp | Microwave moisture sensing system |
US3452302A (en) * | 1967-01-09 | 1969-06-24 | Western Electric Co | Coupling of dielectric to metallic waveguides |
US3493897A (en) * | 1967-05-16 | 1970-02-03 | Western Electric Co | Dielectric directional coupler |
US3509452A (en) * | 1965-05-21 | 1970-04-28 | Beloit Corp | Microwave hygrometer having a helical surface wave transmission line |
US3589794A (en) * | 1968-08-07 | 1971-06-29 | Bell Telephone Labor Inc | Optical circuits |
US3659916A (en) * | 1970-07-28 | 1972-05-02 | Bell Telephone Labor Inc | Single-mode dielectric waveguide |
US3703690A (en) * | 1969-12-17 | 1972-11-21 | Post Office | Dielectric waveguides |
US3733114A (en) * | 1971-09-23 | 1973-05-15 | Consiglio Nazionale Ricerche | Dielectric frame beam waveguide |
US3779627A (en) * | 1971-05-17 | 1973-12-18 | Bell Telephone Labor Inc | Optical transmission line elements utilizing fluorinated polymers |
FR2218660A1 (de) * | 1973-02-19 | 1974-09-13 | Post Office | |
EP0077915A2 (de) * | 1981-10-26 | 1983-05-04 | Hughes Aircraft Company | Kopplungsanordnung für Dämpfungswelle |
US4556855A (en) * | 1983-10-31 | 1985-12-03 | The United States Of America As Represented By The Secretary Of The Navy | RF Components and networks in shaped dielectrics |
EP0179413A1 (de) * | 1984-10-18 | 1986-04-30 | Sony Corporation | Dielektrische Drehkopplung |
US4755743A (en) * | 1984-10-16 | 1988-07-05 | Kemira Oy | Method and apparatus for measuring the moisture content or dry-matter content of materials using a microwave dielectric waveguide |
EP0506091A1 (de) * | 1991-03-29 | 1992-09-30 | Kokusai Electric Co., Ltd. | Richtkoppler des KM-Typs zur Leistungsdetektierung in tragbarem Telefon |
US20040136640A1 (en) * | 2002-08-22 | 2004-07-15 | Arie Shahar | Compact optical delay lines |
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Also Published As
Publication number | Publication date |
---|---|
NL175381B (nl) | |
NL97161C (de) | |
DE964693C (de) | 1957-05-29 |
GB731473A (en) | 1955-06-08 |
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