BE799365A - - Google Patents

Info

Publication number
BE799365A
BE799365A BE130972A BE130972A BE799365A BE 799365 A BE799365 A BE 799365A BE 130972 A BE130972 A BE 130972A BE 130972 A BE130972 A BE 130972A BE 799365 A BE799365 A BE 799365A
Authority
BE
Belgium
Application number
BE130972A
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 filed Critical
Publication of BE799365A publication Critical patent/BE799365A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
BE130972A 1972-09-15 1973-05-10 BE799365A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2245346A DE2245346C1 (de) 1972-09-15 1972-09-15 Antennenanordnung für Radar- bzw. Peilzwecke mit Summen-Differenzdiagramm

Publications (1)

Publication Number Publication Date
BE799365A true BE799365A (zh) 1978-02-24

Family

ID=5856459

Family Applications (1)

Application Number Title Priority Date Filing Date
BE130972A BE799365A (zh) 1972-09-15 1973-05-10

Country Status (7)

Country Link
US (1) US4107690A (zh)
BE (1) BE799365A (zh)
DE (1) DE2245346C1 (zh)
FR (1) FR2371068A1 (zh)
GB (1) GB1500689A (zh)
IT (1) IT1019551B (zh)
NL (1) NL171646C (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673943A (en) * 1984-09-25 1987-06-16 The United States Of America As Represented By The Secretary Of The Air Force Integrated defense communications system antijamming antenna system
DE4004611A1 (de) * 1990-02-15 1991-08-29 Rolf Dipl Ing Jakoby Winkeldiskriminator zur richtungsbestimmung hochfrequenter elektromagnetischer wellen
US8933835B2 (en) * 2012-09-25 2015-01-13 Rosemount Tank Radar Ab Two-channel directional antenna and a radar level gauge with such an antenna

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB810975A (en) * 1955-03-14 1959-03-25 Decca Record Co Ltd Improvements in or relating to radio antennae systems
US3078453A (en) * 1955-05-13 1963-02-19 Clare D Mcgillem Radar system for distinguishing closely spaced targets
FR1601705A (zh) * 1958-11-05 1970-09-14
US3182322A (en) * 1962-03-06 1965-05-04 Stephenson Corp Radar antennae
US3363252A (en) * 1964-11-23 1968-01-09 Navy Usa Cross-polarization suppression for antenna feed by use of external vane
DE1953743B2 (de) * 1969-10-24 1973-11-15 Siemens Ag, 1000 Berlin U. 8000 Muenchen Antennenanordnung fur Radar bzw Peilzwecke mit Summen Differenzdiagramm

Also Published As

Publication number Publication date
NL7312493A (nl) 1978-01-31
FR2371068A1 (fr) 1978-06-09
FR2371068B1 (zh) 1982-06-04
GB1500689A (en) 1978-02-08
NL171646B (nl) 1982-11-16
US4107690A (en) 1978-08-15
IT1019551B (it) 1977-11-30
NL171646C (nl) 1983-04-18
DE2245346C1 (de) 1978-04-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SIEMENS A.G.

Effective date: 19850510