FR712879A - Improvements to radio-electric direction researchers - Google Patents

Improvements to radio-electric direction researchers

Info

Publication number
FR712879A
FR712879A FR712879DA FR712879A FR 712879 A FR712879 A FR 712879A FR 712879D A FR712879D A FR 712879DA FR 712879 A FR712879 A FR 712879A
Authority
FR
France
Prior art keywords
researchers
radio
electric direction
electric
direction researchers
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.)
Kolster Brandes Ltd
Original Assignee
Kolster Brandes Ltd
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 Kolster Brandes Ltd filed Critical Kolster Brandes Ltd
Application granted granted Critical
Publication of FR712879A publication Critical patent/FR712879A/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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR712879D 1930-05-26 1931-03-05 Improvements to radio-electric direction researchers Expired FR712879A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US712879XA 1930-05-26 1930-05-26

Publications (1)

Publication Number Publication Date
FR712879A true FR712879A (en) 1931-10-14

Family

ID=22100396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712879D Expired FR712879A (en) 1930-05-26 1931-03-05 Improvements to radio-electric direction researchers

Country Status (2)

Country Link
BE (1) BE378193A (en)
FR (1) FR712879A (en)

Also Published As

Publication number Publication date
BE378193A (en)

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