FR2236186A1 - Frequency coded radio wave prodn. - is by antenna with cylindrical or quasi-cylindrical reflector - Google Patents

Frequency coded radio wave prodn. - is by antenna with cylindrical or quasi-cylindrical reflector

Info

Publication number
FR2236186A1
FR2236186A1 FR7423506A FR7423506A FR2236186A1 FR 2236186 A1 FR2236186 A1 FR 2236186A1 FR 7423506 A FR7423506 A FR 7423506A FR 7423506 A FR7423506 A FR 7423506A FR 2236186 A1 FR2236186 A1 FR 2236186A1
Authority
FR
France
Prior art keywords
cylindrical
quasi
antenna
radio wave
prodn
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.)
Granted
Application number
FR7423506A
Other languages
English (en)
French (fr)
Other versions
FR2236186B3 (cg-RX-API-DMAC7.html
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.)
Commonwealth Scientific and Industrial Research Organization CSIRO
Original Assignee
Commonwealth Scientific and Industrial Research Organization CSIRO
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 Commonwealth Scientific and Industrial Research Organization CSIRO filed Critical Commonwealth Scientific and Industrial Research Organization CSIRO
Publication of FR2236186A1 publication Critical patent/FR2236186A1/fr
Application granted granted Critical
Publication of FR2236186B3 publication Critical patent/FR2236186B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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)
FR7423506A 1973-07-05 1974-07-05 Frequency coded radio wave prodn. - is by antenna with cylindrical or quasi-cylindrical reflector Granted FR2236186A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPB397473 1973-07-05

Publications (2)

Publication Number Publication Date
FR2236186A1 true FR2236186A1 (en) 1975-01-31
FR2236186B3 FR2236186B3 (cg-RX-API-DMAC7.html) 1977-05-06

Family

ID=3765722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7423506A Granted FR2236186A1 (en) 1973-07-05 1974-07-05 Frequency coded radio wave prodn. - is by antenna with cylindrical or quasi-cylindrical reflector

Country Status (7)

Country Link
JP (1) JPS50106596A (cg-RX-API-DMAC7.html)
AU (1) AU7093174A (cg-RX-API-DMAC7.html)
DE (1) DE2432396A1 (cg-RX-API-DMAC7.html)
FR (1) FR2236186A1 (cg-RX-API-DMAC7.html)
NL (1) NL7409154A (cg-RX-API-DMAC7.html)
NO (1) NO742462L (cg-RX-API-DMAC7.html)
SE (1) SE7408804L (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
NL7409154A (nl) 1975-01-07
AU7093174A (en) 1976-01-08
FR2236186B3 (cg-RX-API-DMAC7.html) 1977-05-06
JPS50106596A (cg-RX-API-DMAC7.html) 1975-08-22
SE7408804L (cg-RX-API-DMAC7.html) 1975-01-07
DE2432396A1 (de) 1975-01-30
NO742462L (cg-RX-API-DMAC7.html) 1975-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse