SE352173B - - Google Patents

Info

Publication number
SE352173B
SE352173B SE07472/68A SE747268A SE352173B SE 352173 B SE352173 B SE 352173B SE 07472/68 A SE07472/68 A SE 07472/68A SE 747268 A SE747268 A SE 747268A SE 352173 B SE352173 B SE 352173B
Authority
SE
Sweden
Application number
SE07472/68A
Inventor
O Hakonsen
Original Assignee
Sintef
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 Sintef filed Critical Sintef
Publication of SE352173B publication Critical patent/SE352173B/xx

Links

Classifications

    • 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
    • H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
    • 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
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/10—Logperiodic antennas
    • 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
    • H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
    • H01Q19/30—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
    • 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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path

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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
SE07472/68A 1967-06-08 1968-06-04 SE352173B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO168528A NO124503B (fr) 1967-06-08 1967-06-08

Publications (1)

Publication Number Publication Date
SE352173B true SE352173B (fr) 1972-12-18

Family

ID=19910103

Family Applications (1)

Application Number Title Priority Date Filing Date
SE07472/68A SE352173B (fr) 1967-06-08 1968-06-04

Country Status (6)

Country Link
US (1) US3518673A (fr)
DE (1) DE1766526B1 (fr)
FR (1) FR1567838A (fr)
GB (1) GB1224246A (fr)
NO (1) NO124503B (fr)
SE (1) SE352173B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868689A (en) * 1973-07-30 1975-02-25 Texas Instruments Inc Log periodic pole mounted marker beacon antenna
JPS602628B2 (ja) * 1977-12-05 1985-01-23 株式会社東芝 航空機着陸誘導装置
DE4446128A1 (de) * 1994-12-23 1996-06-27 Sel Alcatel Ag Antenne
WO2018151705A1 (fr) 2017-02-14 2018-08-23 Whirlpool Corporation Système d'encapsulation multicouche pour scellement étanche d'armoires isolées sous vide

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513493A (en) * 1945-09-17 1950-07-04 Honeywell Regulator Co Aircraft control system
US2593485A (en) * 1948-02-06 1952-04-22 Int Standard Electric Corp Localizer beacon system
US2993665A (en) * 1948-09-15 1961-07-25 Honeywell Regulator Co Automatic instrument landing systems for air-borne craft
US3147479A (en) * 1962-03-01 1964-09-01 Radiation Inc Plural juxtaposed parabolic reflectors with frequency independent feeds
US3257661A (en) * 1962-04-11 1966-06-21 Robert L Tanner Log-periodic antenna
GB987470A (en) * 1962-06-13 1965-03-31 Secr Aviation Improvements in or relating to aircraft approach and landing systems

Also Published As

Publication number Publication date
US3518673A (en) 1970-06-30
NO124503B (fr) 1972-04-24
GB1224246A (en) 1971-03-03
FR1567838A (fr) 1969-04-08
DE1766526B1 (de) 1971-10-07

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