GB1258282A - - Google Patents

Info

Publication number
GB1258282A
GB1258282A GB1258282DA GB1258282A GB 1258282 A GB1258282 A GB 1258282A GB 1258282D A GB1258282D A GB 1258282DA GB 1258282 A GB1258282 A GB 1258282A
Authority
GB
United Kingdom
Prior art keywords
rods
cage
superstructure
lower cage
metal
Prior art date
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
Other languages
English (en)
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 DE19681812280 external-priority patent/DE1812280C/de
Application filed filed Critical
Publication of GB1258282A publication Critical patent/GB1258282A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H01Q15/12—Refracting or diffracting devices, e.g. lens, prism functioning also as polarisation filter
    • 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

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)
  • Aerials With Secondary Devices (AREA)
  • Road Signs Or Road Markings (AREA)
GB1258282D 1968-12-03 1969-06-27 Expired GB1258282A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681812280 DE1812280C (de) 1968-12-03 Einrichtung zur Unterdrückung der un erwünschten Vertikalkomponente bei der Aus strahlung der Antenne fur ein VOR Drehfunk feuer

Publications (1)

Publication Number Publication Date
GB1258282A true GB1258282A (enrdf_load_stackoverflow) 1971-12-30

Family

ID=5715012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258282D Expired GB1258282A (enrdf_load_stackoverflow) 1968-12-03 1969-06-27

Country Status (2)

Country Link
FR (1) FR2025113B1 (enrdf_load_stackoverflow)
GB (1) GB1258282A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132022A (en) * 1982-05-21 1984-06-27 Decca Ltd Radio frequency antenna and radio direction finding apparatus incorporating such antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132022A (en) * 1982-05-21 1984-06-27 Decca Ltd Radio frequency antenna and radio direction finding apparatus incorporating such antenna

Also Published As

Publication number Publication date
FR2025113B1 (enrdf_load_stackoverflow) 1975-02-21
FR2025113A1 (enrdf_load_stackoverflow) 1970-09-04
DE1812280B2 (de) 1971-09-09
DE1812280A1 (de) 1970-06-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee