FR975138A - Improvements to direction finders - Google Patents

Improvements to direction finders

Info

Publication number
FR975138A
FR975138A FR975138DA FR975138A FR 975138 A FR975138 A FR 975138A FR 975138D A FR975138D A FR 975138DA FR 975138 A FR975138 A FR 975138A
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)
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR975138A publication Critical patent/FR975138A/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)
FR975138D 1942-02-14 1942-02-14 Improvements to direction finders Expired FR975138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR975138T 1942-02-14

Publications (1)

Publication Number Publication Date
FR975138A true FR975138A (en) 1951-03-01

Family

ID=9517946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975138D Expired FR975138A (en) 1942-02-14 1942-02-14 Improvements to direction finders

Country Status (1)

Country Link
FR (1) FR975138A (en)

Similar Documents

Publication Publication Date Title
FR946310A (en) Improvements to rivets
FR910185A (en) Improvements made to chucks
FR886632A (en) Improvements to aeromotors
FR888166A (en) Improvements to scrapers-scrapers
FR943005A (en) Improvements to aircraft
FR975094A (en) Improvements to pumps
FR887890A (en) Improvements to pumps
FR975138A (en) Improvements to direction finders
FR879940A (en) Improvements to drills
FR931250A (en) Improvements to supporting surfaces
FR949745A (en) Improvements to belts
FR890535A (en) Refinements to barbins
FR888018A (en) Improvements to dryers
FR890652A (en) Improvements to daters
FR881272A (en) Improvement of bicycle cranksets
FR976976A (en) Improvements to closures
FR51964E (en) Improvements to direction-finding installations
FR51914E (en) Improvements to direction-finding installations
FR931674A (en) Improvements to direction finders
FR891123A (en) Improvements to construction cartons
FR887880A (en) Improvements to screeds
FR938259A (en) Improvements to equisignal radiobeacons
FR979514A (en) Improvements to boilers
FR976562A (en) Improvements to auto-collimating reflectors
FR890526A (en) Improvements to alternators