FR40171E - Improvements to direction finders - Google Patents

Improvements to direction finders

Info

Publication number
FR40171E
FR40171E FR40171DA FR40171E FR 40171 E FR40171 E FR 40171E FR 40171D A FR40171D A FR 40171DA FR 40171 E FR40171 E FR 40171E
Authority
FR
France
Prior art keywords
direction finders
finders
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
French (fr)
Inventor
Roger Lenier
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 FR40171E publication Critical patent/FR40171E/en
Expired 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)
FR40171D 1931-05-01 1931-05-01 Improvements to direction finders Expired FR40171E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR40171T 1931-05-01

Publications (1)

Publication Number Publication Date
FR40171E true FR40171E (en) 1932-06-07

Family

ID=8676485

Family Applications (1)

Application Number Title Priority Date Filing Date
FR40171D Expired FR40171E (en) 1931-05-01 1931-05-01 Improvements to direction finders

Country Status (1)

Country Link
FR (1) FR40171E (en)

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