NL7000933A - - Google Patents

Info

Publication number
NL7000933A
NL7000933A NL7000933A NL7000933A NL7000933A NL 7000933 A NL7000933 A NL 7000933A NL 7000933 A NL7000933 A NL 7000933A NL 7000933 A NL7000933 A NL 7000933A NL 7000933 A NL7000933 A NL 7000933A
Authority
NL
Netherlands
Application number
NL7000933A
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 DE19691902884 external-priority patent/DE1902884C/de
Application filed filed Critical
Publication of NL7000933A publication Critical patent/NL7000933A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole

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)
  • Details Of Aerials (AREA)
NL7000933A 1969-01-22 1970-01-22 NL7000933A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691902884 DE1902884C (de) 1969-01-22 Antennensystem fur den VHF und UHF Bereich zur Richtungsbestimmung

Publications (1)

Publication Number Publication Date
NL7000933A true NL7000933A (enrdf_load_stackoverflow) 1970-07-24

Family

ID=5722986

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7000933A NL7000933A (enrdf_load_stackoverflow) 1969-01-22 1970-01-22

Country Status (6)

Country Link
US (1) US3611389A (enrdf_load_stackoverflow)
AT (1) AT295603B (enrdf_load_stackoverflow)
FR (1) FR2033258B1 (enrdf_load_stackoverflow)
GB (1) GB1258656A (enrdf_load_stackoverflow)
NL (1) NL7000933A (enrdf_load_stackoverflow)
SE (1) SE351752B (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721990A (en) * 1971-12-27 1973-03-20 Rca Corp Physically small combined loop and dipole all channel television antenna system
US5041839A (en) * 1981-03-11 1991-08-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Electromagnetic radiation sensors
DE3128952A1 (de) * 1981-07-22 1983-02-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart "antenne fuer ein drehfunkfeuer"
EP0184235A1 (en) * 1984-11-08 1986-06-11 Koninklijke Philips Electronics N.V. Vor antenna design
US5387919A (en) * 1993-05-26 1995-02-07 International Business Machines Corporation Dipole antenna having co-axial radiators and feed
FR2779235B1 (fr) * 1998-05-26 2002-11-29 Applic Rech Electronique Systeme d'antennes de radiogoniometrie
US9304182B2 (en) * 2012-02-15 2016-04-05 Electronics And Telecommunications Research Institute Hybrid direction identifying apparatus and method
US9847576B2 (en) * 2013-11-11 2017-12-19 Nxp B.V. UHF-RFID antenna for point of sales application
FR3045838B1 (fr) * 2015-12-18 2020-05-22 Thales Antenne multi-acces

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427622A (en) * 1967-02-14 1969-02-11 Communication Systems Inc Vor antenna
FR1556291A (enrdf_load_stackoverflow) * 1967-12-08 1969-02-07

Also Published As

Publication number Publication date
DE1902884A1 (de) 1970-07-23
SE351752B (enrdf_load_stackoverflow) 1972-12-04
AT295603B (de) 1972-01-10
US3611389A (en) 1971-10-05
GB1258656A (enrdf_load_stackoverflow) 1971-12-30
FR2033258A1 (enrdf_load_stackoverflow) 1970-12-04
FR2033258B1 (enrdf_load_stackoverflow) 1976-03-19
DE1902884B2 (de) 1972-03-30

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Legal Events

Date Code Title Description
BV The patent application has lapsed