FR869447A - Improvements to direction-finding reception systems - Google Patents

Improvements to direction-finding reception systems

Info

Publication number
FR869447A
FR869447A FR869447DA FR869447A FR 869447 A FR869447 A FR 869447A FR 869447D A FR869447D A FR 869447DA FR 869447 A FR869447 A FR 869447A
Authority
FR
France
Prior art keywords
reception systems
finding reception
finding
systems
reception
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR869447A publication Critical patent/FR869447A/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)
FR869447D 1939-01-31 1941-01-23 Improvements to direction-finding reception systems Expired FR869447A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET51705D DE720839C (en) 1939-01-31 1939-01-31 DF receiving system

Publications (1)

Publication Number Publication Date
FR869447A true FR869447A (en) 1942-02-02

Family

ID=7563728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869447D Expired FR869447A (en) 1939-01-31 1941-01-23 Improvements to direction-finding reception systems

Country Status (2)

Country Link
DE (1) DE720839C (en)
FR (1) FR869447A (en)

Also Published As

Publication number Publication date
DE720839C (en) 1942-05-16

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