FR930057A - Improvements to antenna systems - Google Patents

Improvements to antenna systems

Info

Publication number
FR930057A
FR930057A FR930057DA FR930057A FR 930057 A FR930057 A FR 930057A FR 930057D A FR930057D A FR 930057DA FR 930057 A FR930057 A FR 930057A
Authority
FR
France
Prior art keywords
antenna systems
antenna
systems
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
Other languages
French (fr)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR930057A publication Critical patent/FR930057A/en
Expired legal-status Critical Current

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
    • H01Q19/13—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 being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • 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
    • H01Q19/13—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 being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/134—Rear-feeds; Splash plate feeds
FR930057D 1945-07-21 1946-07-01 Improvements to antenna systems Expired FR930057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US606426A US2482158A (en) 1945-07-21 1945-07-21 Directive antenna system

Publications (1)

Publication Number Publication Date
FR930057A true FR930057A (en) 1948-01-15

Family

ID=24427922

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930057D Expired FR930057A (en) 1945-07-21 1946-07-01 Improvements to antenna systems

Country Status (5)

Country Link
US (1) US2482158A (en)
BE (1) BE466752A (en)
CH (1) CH255580A (en)
FR (1) FR930057A (en)
GB (1) GB626311A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605415A (en) * 1945-09-14 1952-07-29 Samuel J Mason Parabolic reflector
US2846679A (en) * 1953-12-15 1958-08-05 Hughes Aircraft Co Beam forming antenna
US2829366A (en) * 1955-03-25 1958-04-01 Raytheon Mfg Co Antenna feed
US2893003A (en) * 1957-06-26 1959-06-30 James S Arnold Antenna feed
NL272285A (en) * 1960-12-19
US3218643A (en) * 1961-03-01 1965-11-16 Peter W Hannan Double-reflector antenna with critical dimensioning to achieve minimum aperture blocking
NO864563L (en) * 1986-06-03 1987-12-04 Sintef REFLECTOR ANTENNA WITH SELF-SUSTAINABLE MEASUREMENT ELEMENT.
FR2600824B1 (en) * 1986-06-25 1988-12-23 Coulet Gilbert BROADBAND ANTENNA FOR MICROWAVE
GB9007976D0 (en) * 1990-04-09 1990-06-06 Marconi Electronic Devices Antenna arrangement
BR9811241A (en) * 1997-08-21 2000-08-15 Kildal Antenna Consulting Ab Improved reflector antenna with self-supporting power
US6522305B2 (en) 2000-02-25 2003-02-18 Andrew Corporation Microwave antennas

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1281752A (en) * 1918-05-11 1918-10-15 Gen Electric Floodlight-reflector.
FR527896A (en) * 1920-12-04 1921-11-03 Gabriel Guinet Parabolic reflector system for heating and lighting
US1973296A (en) * 1929-04-24 1934-09-11 Telefunken Gmbh Broadcasting system using ultrashort waves
US1857120A (en) * 1930-05-29 1932-05-03 Transom Frederick Projector lamp
DE694423C (en) * 1933-12-14 1940-08-01 Chem Fab Dr Hugo Stoltzenberg Respiratory protection filter with several detachable individual filters connected in series
US2083242A (en) * 1934-01-27 1937-06-08 Telefunken Gmbh Method of direction finding
US2206923A (en) * 1934-09-12 1940-07-09 American Telephone & Telegraph Short wave radio system
US2095083A (en) * 1934-11-17 1937-10-05 Telefunken Gmbh Directional antenna system
US2370053A (en) * 1940-12-31 1945-02-20 Rca Corp Directive antenna system
US2407057A (en) * 1942-01-23 1946-09-03 Rca Corp Antenna system
US2422184A (en) * 1944-01-15 1947-06-17 Bell Telephone Labor Inc Directional microwave antenna

Also Published As

Publication number Publication date
BE466752A (en)
GB626311A (en) 1949-07-13
CH255580A (en) 1948-06-30
US2482158A (en) 1949-09-20

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