FR1567838A - - Google Patents

Info

Publication number
FR1567838A
FR1567838A FR1567838DA FR1567838A FR 1567838 A FR1567838 A FR 1567838A FR 1567838D A FR1567838D A FR 1567838DA FR 1567838 A FR1567838 A FR 1567838A
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1567838A publication Critical patent/FR1567838A/fr
Expired legal-status Critical Current

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)
FR1567838D 1967-06-08 1968-06-07 Expired FR1567838A (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
FR1567838A true FR1567838A (fr) 1969-04-08

Family

ID=19910103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1567838D Expired FR1567838A (fr) 1967-06-08 1968-06-07

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
US10837479B2 (en) 2017-02-14 2020-11-17 Whirlpool Corporation Multi-layer encapsulation system for joint sealing of vacuum insulated cabinets

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
SE352173B (fr) 1972-12-18
US3518673A (en) 1970-06-30
DE1766526B1 (de) 1971-10-07
GB1224246A (en) 1971-03-03
NO124503B (fr) 1972-04-24

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Legal Events

Date Code Title Description
ST Notification of lapse