NL129841C - - Google Patents

Info

Publication number
NL129841C
NL129841C NL129841DA NL129841C NL 129841 C NL129841 C NL 129841C NL 129841D A NL129841D A NL 129841DA NL 129841 C NL129841 C NL 129841C
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 NL129841C publication Critical patent/NL129841C/xx

Links

Classifications

    • 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
    • H01Q3/12Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/42Simultaneous measurement of distance and other co-ordinates
    • G01S13/422Simultaneous measurement of distance and other co-ordinates sequential lobing, e.g. conical scan
    • 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
    • H01Q3/12Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
    • H01Q3/18Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
  • Waveguide Aerials (AREA)
NL129841D 1959-03-03 NL129841C (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR788208A FR1229791A (fr) 1959-03-03 1959-03-03 Antenne à balayage conique rapide

Publications (1)

Publication Number Publication Date
NL129841C true NL129841C (it)

Family

ID=8711959

Family Applications (2)

Application Number Title Priority Date Filing Date
NL248958D NL248958A (it) 1959-03-03
NL129841D NL129841C (it) 1959-03-03

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL248958D NL248958A (it) 1959-03-03

Country Status (5)

Country Link
BE (1) BE588199A (it)
DE (1) DE1200390B (it)
FR (1) FR1229791A (it)
NL (2) NL129841C (it)
SE (1) SE303308B (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484822A (en) * 1944-04-24 1949-10-18 Sperry Corp Switching apparatus for ultra high frequencies
US2720589A (en) * 1951-07-27 1955-10-11 Sperry Rand Corp Rapid scanning radar antenna
US2870440A (en) * 1954-05-13 1959-01-20 Sanders Associates Inc Conical scanning antenna systems as used in radar
GB830230A (en) * 1956-07-25 1960-03-09 Collins Radio Co Improvements in or relating to radiometric sextants

Also Published As

Publication number Publication date
SE303308B (it) 1968-08-26
NL248958A (it)
BE588199A (fr) 1960-07-01
DE1200390B (de) 1965-09-09
FR1229791A (fr) 1960-09-09

Similar Documents

Publication Publication Date Title
AT212261B (it)
AT219274B (it)
BE584924A (it)
FR1194026A (it)
AT213304B (it)
AT222246B (it)
AT213627B (it)
AT216639B (it)
AT216805B (it)
AT216640B (it)
AT219811B (it)
AT219961B (it)
AT213496B (it)
FR1194205A (it)
FR1194333A (it)
FR938M (it)
SE210079C1 (it)
CS104171B5 (it)
NL250253A (it)
BE586272A (it)
NL257277A (it)
NL254098A (it)
NL252834A (it)
NL250741A (it)
BE585872A (it)