CH274094A - Dispositif rayonnant. - Google Patents
Dispositif rayonnant.Info
- Publication number
- CH274094A CH274094A CH274094DA CH274094A CH 274094 A CH274094 A CH 274094A CH 274094D A CH274094D A CH 274094DA CH 274094 A CH274094 A CH 274094A
- Authority
- CH
- Switzerland
- Prior art keywords
- radiant device
- radiant
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
- H01Q19/175—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements arrayed along the focal line of a cylindrical focusing surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB274094X | 1946-03-19 | ||
GB110447X | 1947-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH274094A true CH274094A (fr) | 1951-03-15 |
Family
ID=26247985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH274094D CH274094A (fr) | 1946-03-19 | 1947-07-05 | Dispositif rayonnant. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2570599A (fr) |
CH (1) | CH274094A (fr) |
FR (1) | FR951691A (fr) |
GB (1) | GB619868A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2794185A (en) * | 1953-01-06 | 1957-05-28 | Itt | Antenna systems |
FR2520160A1 (fr) * | 1982-01-20 | 1983-07-22 | Sairem Sarl | Dispositif de traitement ho |
AU2003256273A1 (en) * | 2002-07-17 | 2004-02-09 | Massachusetts Institute Of Technology | Wideband dipole array antenna element |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US741622A (en) * | 1900-01-23 | 1903-10-20 | Sidney George Brown | System of wireless telegraphy. |
US1715433A (en) * | 1922-08-29 | 1929-06-04 | American Telephone & Telegraph | Antenna array |
BE381315A (fr) * | 1930-07-21 | |||
US2156653A (en) * | 1935-06-04 | 1939-05-02 | Telefunken Gmbh | Ultra short wave system |
US2231929A (en) * | 1937-04-29 | 1941-02-18 | Sperry Gyroscope Co Inc | Tridimensional radio direction indicator |
US2272839A (en) * | 1938-11-23 | 1942-02-10 | Jr John Hays Hammond | Radiant energy signaling system |
DE865010C (de) * | 1939-10-08 | 1953-01-29 | Telefunken Gmbh | Richtantennenanordnung mit unterdrueckter Seitenstrahlung |
BE439358A (fr) * | 1939-10-12 | |||
US2419609A (en) * | 1940-09-25 | 1947-04-29 | Standard Telephones Cables Ltd | Means for overcoming the effects of earth reflections in directional antenna systems |
US2408435A (en) * | 1941-03-01 | 1946-10-01 | Bell Telephone Labor Inc | Pipe antenna and prism |
US2397645A (en) * | 1942-05-30 | 1946-04-02 | Rca Corp | Antenna system |
US2413951A (en) * | 1942-06-03 | 1947-01-07 | Rca Corp | Antenna system |
US2419205A (en) * | 1942-11-04 | 1947-04-22 | Bell Telephone Labor Inc | Directive antenna system |
US2447549A (en) * | 1943-03-05 | 1948-08-24 | Standard Telephones Cables Ltd | Radio glide path landing system for aircraft |
US2464276A (en) * | 1943-08-03 | 1949-03-15 | Sperry Corp | Radiant energy directivity pattern scanner |
US2411976A (en) * | 1944-08-31 | 1946-12-03 | Rca Corp | Broad band radiator |
US2458885A (en) * | 1944-12-15 | 1949-01-11 | Bell Telephone Labor Inc | Directive antenna system |
-
1946
- 1946-03-19 GB GB8543/46A patent/GB619868A/en not_active Expired
-
1947
- 1947-07-05 CH CH274094D patent/CH274094A/fr unknown
- 1947-08-07 FR FR951691D patent/FR951691A/fr not_active Expired
- 1947-09-20 US US775276A patent/US2570599A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2570599A (en) | 1951-10-09 |
GB619868A (en) | 1949-03-16 |
FR951691A (fr) | 1949-11-02 |
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