CH251913A - Device for locating the direction of propagation of an electromagnetic wave. - Google Patents

Device for locating the direction of propagation of an electromagnetic wave.

Info

Publication number
CH251913A
CH251913A CH251913DA CH251913A CH 251913 A CH251913 A CH 251913A CH 251913D A CH251913D A CH 251913DA CH 251913 A CH251913 A CH 251913A
Authority
CH
Switzerland
Prior art keywords
propagation
locating
electromagnetic wave
electromagnetic
wave
Prior art date
Application number
Other languages
French (fr)
Inventor
Compagnie Generale De Tele Fil
Original Assignee
Csf
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 Csf filed Critical Csf
Publication of CH251913A publication Critical patent/CH251913A/en

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
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
CH251913D 1944-07-07 1945-08-02 Device for locating the direction of propagation of an electromagnetic wave. CH251913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR840404X 1944-07-07

Publications (1)

Publication Number Publication Date
CH251913A true CH251913A (en) 1947-11-30

Family

ID=9302086

Family Applications (1)

Application Number Title Priority Date Filing Date
CH251913D CH251913A (en) 1944-07-07 1945-08-02 Device for locating the direction of propagation of an electromagnetic wave.

Country Status (5)

Country Link
CH (1) CH251913A (en)
DE (1) DE840404C (en)
ES (1) ES172692A1 (en)
FR (1) FR992574A (en)
GB (1) GB604772A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2845622A (en) * 1953-11-13 1958-07-29 Sperry Rand Corp Direction sensitive radio system
US2920322A (en) * 1956-08-28 1960-01-05 Jr Burton P Brown Antenna system
DE1108283B (en) * 1957-09-20 1961-06-08 Emi Ltd Radar device with spatial sum-difference bearing
DE1227088B (en) * 1957-12-17 1966-10-20 Telefunken Patent Directional antenna arrangement for minimum bearing
DE4007453A1 (en) * 1990-03-09 1991-09-12 Telefunken Electronic Gmbh DEVICE FOR MONITORING OBJECTS

Also Published As

Publication number Publication date
DE840404C (en) 1952-06-03
FR992574A (en) 1951-10-19
GB604772A (en) 1948-07-09
ES172692A1 (en) 1946-04-01

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