NL171645C - Richtantennestelsel. - Google Patents

Richtantennestelsel.

Info

Publication number
NL171645C
NL171645C NL7501006A NL7501006A NL171645C NL 171645 C NL171645 C NL 171645C NL 7501006 A NL7501006 A NL 7501006A NL 7501006 A NL7501006 A NL 7501006A NL 171645 C NL171645 C NL 171645C
Authority
NL
Netherlands
Prior art keywords
director system
director
Prior art date
Application number
NL7501006A
Other languages
English (en)
Dutch (nl)
Other versions
NL171645B (nl
NL7501006A (en
Original Assignee
Wuennenberg Horst Dr
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
Priority claimed from GB431374A external-priority patent/GB1472893A/en
Application filed by Wuennenberg Horst Dr filed Critical Wuennenberg Horst Dr
Publication of NL7501006A publication Critical patent/NL7501006A/xx
Publication of NL171645B publication Critical patent/NL171645B/xx
Application granted granted Critical
Publication of NL171645C publication Critical patent/NL171645C/xx

Links

Classifications

    • 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
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
NL7501006A 1974-01-30 1975-01-28 Richtantennestelsel. NL171645C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB431374A GB1472893A (en) 1974-01-30 1974-01-30 Directional antenna systems
DE19742460624 DE2460624C2 (de) 1974-01-30 1974-12-20 Richtantennensystem mit Nachführeinrichtung

Publications (3)

Publication Number Publication Date
NL7501006A NL7501006A (en) 1975-08-01
NL171645B NL171645B (nl) 1982-11-16
NL171645C true NL171645C (nl) 1983-04-18

Family

ID=25768133

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7501006A NL171645C (nl) 1974-01-30 1975-01-28 Richtantennestelsel.

Country Status (3)

Country Link
DK (1) DK136563B (OSRAM)
IE (1) IE40485B1 (OSRAM)
NL (1) NL171645C (OSRAM)

Also Published As

Publication number Publication date
DK136563B (da) 1977-10-24
NL171645B (nl) 1982-11-16
NL7501006A (en) 1975-08-01
DK25875A (OSRAM) 1975-10-13
IE40485B1 (en) 1979-06-06
IE40485L (en) 1975-07-30
DK136563C (OSRAM) 1978-03-20

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee