NL280145A - - Google Patents

Info

Publication number
NL280145A
NL280145A NL280145DA NL280145A NL 280145 A NL280145 A NL 280145A NL 280145D A NL280145D A NL 280145DA NL 280145 A NL280145 A NL 280145A
Authority
NL
Netherlands
Application number
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.)
Publication of NL280145A publication Critical patent/NL280145A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/06Arrays of individually energised antenna units similarly polarised and spaced apart
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/10Auxiliary devices for switching or interrupting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/10Auxiliary devices for switching or interrupting
    • H01P1/11Auxiliary devices for switching or interrupting by ferromagnetic devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
NL280145D 1961-06-26 NL280145A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US119600A US3202986A (en) 1961-06-26 1961-06-26 Antenna switching system

Publications (1)

Publication Number Publication Date
NL280145A true NL280145A (nl)

Family

ID=22385262

Family Applications (1)

Application Number Title Priority Date Filing Date
NL280145D NL280145A (nl) 1961-06-26

Country Status (6)

Country Link
US (1) US3202986A (nl)
BE (1) BE619257A (nl)
ES (1) ES278654A1 (nl)
FR (1) FR1332180A (nl)
GB (1) GB959141A (nl)
NL (1) NL280145A (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2304190A1 (fr) * 1975-03-11 1976-10-08 Thomson Csf Dispositif de commutation electronique d'antennes et systemes comportant un tel dispositif
US4641365A (en) * 1984-08-23 1987-02-03 Rca Corporation Overpower protection for a radio frequency transceiver

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832054A (en) * 1952-05-16 1958-04-22 Bell Telephone Labor Inc Gyrating wave transmission networks
US2867772A (en) * 1956-06-29 1959-01-06 Philip J Allen Microwave circulator
US3013262A (en) * 1959-04-02 1961-12-12 Collins Radio Co Fm doppler navigation system utilizing first fm sideband
US2994875A (en) * 1959-05-26 1961-08-01 Gen Precision Inc Slot array antenna having four principal beams, useful for doppler air navigation
US3032758A (en) * 1959-07-06 1962-05-01 Gen Precision Inc Coherent continuous wave doppler navigation system
US3083362A (en) * 1960-02-19 1963-03-26 Gen Precision Inc Microwave beaming system
US2981944A (en) * 1960-12-06 1961-04-25 Gen Precision Inc Microwave navigation system

Also Published As

Publication number Publication date
ES278654A1 (es) 1963-01-16
BE619257A (fr) 1962-10-15
GB959141A (en) 1964-05-27
US3202986A (en) 1965-08-24
FR1332180A (nl) 1963-12-16

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