US3241146A - Four aperture radiator for illuminating main dish - Google Patents

Four aperture radiator for illuminating main dish Download PDF

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Publication number
US3241146A
US3241146A US254887A US25488763A US3241146A US 3241146 A US3241146 A US 3241146A US 254887 A US254887 A US 254887A US 25488763 A US25488763 A US 25488763A US 3241146 A US3241146 A US 3241146A
Authority
US
United States
Prior art keywords
waveguides
mode
waveguide
reflector
energy
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
Application number
US254887A
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English (en)
Inventor
Grant M Randall
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.)
North American Aviation Corp
Original Assignee
North American Aviation Corp
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 North American Aviation Corp filed Critical North American Aviation Corp
Priority to US254887A priority Critical patent/US3241146A/en
Priority to DEN24362A priority patent/DE1244252B/de
Application granted granted Critical
Publication of US3241146A publication Critical patent/US3241146A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • G01S13/44—Monopulse radar, i.e. simultaneous lobing
    • G01S13/4409—HF sub-systems particularly adapted therefor, e.g. circuits for signal combination
US254887A 1963-01-30 1963-01-30 Four aperture radiator for illuminating main dish Expired - Lifetime US3241146A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US254887A US3241146A (en) 1963-01-30 1963-01-30 Four aperture radiator for illuminating main dish
DEN24362A DE1244252B (de) 1963-01-30 1964-01-29 Radarantenne zur gleichzeitigen Bestimmung der Entfernung und der Azimut- und Elevationsrichtung nach dem Summe-Differenz-Verfahren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US254887A US3241146A (en) 1963-01-30 1963-01-30 Four aperture radiator for illuminating main dish

Publications (1)

Publication Number Publication Date
US3241146A true US3241146A (en) 1966-03-15

Family

ID=22965963

Family Applications (1)

Application Number Title Priority Date Filing Date
US254887A Expired - Lifetime US3241146A (en) 1963-01-30 1963-01-30 Four aperture radiator for illuminating main dish

Country Status (2)

Country Link
US (1) US3241146A (de)
DE (1) DE1244252B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2353277A1 (de) * 1972-10-24 1974-05-02 Thomson Csf Antenne mit einem parabolreflektor und einem primaerstrahler mit doppelpolarisation
US5015187A (en) * 1990-02-28 1991-05-14 Byron Hatfield Helicopter remote control system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929059A (en) * 1955-03-14 1960-03-15 Decca Record Co Ltd Radio antennae systems
US2956275A (en) * 1951-03-17 1960-10-11 North American Aviation Inc Duomode monopulse radar system
US3071769A (en) * 1958-01-16 1963-01-01 North American Aviation Inc Four horn feed bridge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759154A (en) * 1954-11-10 1956-08-14 Sperry Rand Corp Waveguide hybrid network for monopulse comparator
FR1133058A (fr) * 1955-09-21 1957-03-20 Csf Aérien pour radar utilisant la technique dite à impulsion unique
US2973487A (en) * 1957-06-03 1961-02-28 Hughes Aircraft Co Waveguide hybrid structure
US3014214A (en) * 1957-06-27 1961-12-19 North American Aviation Inc Conical scan monopulse radar system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956275A (en) * 1951-03-17 1960-10-11 North American Aviation Inc Duomode monopulse radar system
US2929059A (en) * 1955-03-14 1960-03-15 Decca Record Co Ltd Radio antennae systems
US3071769A (en) * 1958-01-16 1963-01-01 North American Aviation Inc Four horn feed bridge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2353277A1 (de) * 1972-10-24 1974-05-02 Thomson Csf Antenne mit einem parabolreflektor und einem primaerstrahler mit doppelpolarisation
US5015187A (en) * 1990-02-28 1991-05-14 Byron Hatfield Helicopter remote control system

Also Published As

Publication number Publication date
DE1244252B (de) 1967-07-13

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