FR2025113B1 - - Google Patents

Info

Publication number
FR2025113B1
FR2025113B1 FR6941674A FR6941674A FR2025113B1 FR 2025113 B1 FR2025113 B1 FR 2025113B1 FR 6941674 A FR6941674 A FR 6941674A FR 6941674 A FR6941674 A FR 6941674A FR 2025113 B1 FR2025113 B1 FR 2025113B1
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
FR6941674A
Other languages
French (fr)
Other versions
FR2025113A1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 by International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2025113A1 publication Critical patent/FR2025113A1/fr
Application granted granted Critical
Publication of FR2025113B1 publication Critical patent/FR2025113B1/fr
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)
FR6941674A 1968-12-03 1969-12-03 Expired FR2025113B1 (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 (2)

Publication Number Publication Date
FR2025113A1 FR2025113A1 (enrdf_load_stackoverflow) 1970-09-04
FR2025113B1 true FR2025113B1 (enrdf_load_stackoverflow) 1975-02-21

Family

ID=5715012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6941674A Expired FR2025113B1 (enrdf_load_stackoverflow) 1968-12-03 1969-12-03

Country Status (2)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132022B (en) * 1982-05-21 1985-07-24 Decca Ltd Radio frequency antenna and radio direction finding apparatus incorporating such antenna

Also Published As

Publication number Publication date
FR2025113A1 (enrdf_load_stackoverflow) 1970-09-04
GB1258282A (enrdf_load_stackoverflow) 1971-12-30
DE1812280B2 (de) 1971-09-09
DE1812280A1 (de) 1970-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse