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FR679880A - Improvements to radio direction finding devices - Google Patents

Improvements to radio direction finding devices

Info

Publication number
FR679880A
FR679880A FR679880DA FR679880A FR 679880 A FR679880 A FR 679880A FR 679880D A FR679880D A FR 679880DA FR 679880 A FR679880 A FR 679880A
Authority
FR
France
Prior art keywords
direction finding
radio direction
finding devices
devices
radio
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR679880A publication Critical patent/FR679880A/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)
FR679880D 1928-08-07 1929-08-05 Improvements to radio direction finding devices Expired FR679880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US679880XA 1928-08-07 1928-08-07

Publications (1)

Publication Number Publication Date
FR679880A true FR679880A (en) 1930-04-18

Family

ID=22079728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR679880D Expired FR679880A (en) 1928-08-07 1929-08-05 Improvements to radio direction finding devices

Country Status (1)

Country Link
FR (1) FR679880A (en)

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