FR738872A - Perfectionnements aux systèmes d'antennes - Google Patents

Perfectionnements aux systèmes d'antennes

Info

Publication number
FR738872A
FR738872A FR738872DA FR738872A FR 738872 A FR738872 A FR 738872A FR 738872D A FR738872D A FR 738872DA FR 738872 A FR738872 A FR 738872A
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
English (en)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR738872A publication Critical patent/FR738872A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations 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
    • H01Q19/12Combinations 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
    • H01Q19/13Combinations 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
FR738872D 1931-09-11 1932-06-21 Perfectionnements aux systèmes d'antennes Expired FR738872A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25563/31A GB389142A (en) 1931-09-11 1931-09-11 Improvements in or relating to aerial systems

Publications (1)

Publication Number Publication Date
FR738872A true FR738872A (fr) 1932-12-30

Family

ID=10229706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR738872D Expired FR738872A (fr) 1931-09-11 1932-06-21 Perfectionnements aux systèmes d'antennes

Country Status (4)

Country Link
US (1) US2049070A (fr)
DE (1) DE588513C (fr)
FR (1) FR738872A (fr)
GB (1) GB389142A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521524A (en) * 1945-04-27 1950-09-05 Bell Telephone Labor Inc Directional antenna system
US2604595A (en) * 1945-09-25 1952-07-22 Standard Telephones Cables Ltd Antenna reflector
US2598475A (en) * 1945-12-17 1952-05-27 Raytheon Mfg Co Antenna system
US2603749A (en) * 1946-04-08 1952-07-15 Bell Telephone Labor Inc Directive antenna system
US2572430A (en) * 1946-05-17 1951-10-23 Breeze Corp Antenna structure
US2922161A (en) * 1954-11-17 1960-01-19 Raytheon Co Antenna reflectors
US2989746A (en) * 1956-08-21 1961-06-20 Marconi Wireless Telegraph Co Scanning antenna system utilizing polarization filters
US3218645A (en) * 1958-03-06 1965-11-16 Hermann W Ehrenspeck Endfire array having vertically and horizontally spaced parasitic arrays
US3271552A (en) * 1963-02-01 1966-09-06 Litton Prec Products Inc Microwave heating apparatus
US3329960A (en) * 1964-10-01 1967-07-04 Winegard Co Collapsible parabolic antenna
US3483563A (en) * 1965-10-13 1969-12-09 Collins Radio Co Combination vertically-horizontally polarized paracylinder antennas
US4348677A (en) * 1979-06-25 1982-09-07 General Dynamics, Pomona Division Common aperture dual mode seeker antenna
US4295143A (en) * 1980-02-15 1981-10-13 Winegard Company Low wind load modified farabolic antenna

Also Published As

Publication number Publication date
GB389142A (en) 1933-03-13
DE588513C (de) 1933-11-18
US2049070A (en) 1936-07-28

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