FR51861E - Improvements to direction-finding installations - Google Patents

Improvements to direction-finding installations

Info

Publication number
FR51861E
FR51861E FR51861DA FR51861E FR 51861 E FR51861 E FR 51861E FR 51861D A FR51861D A FR 51861DA FR 51861 E FR51861 E FR 51861E
Authority
FR
France
Prior art keywords
installations
finding
finding installations
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 FR51861E publication Critical patent/FR51861E/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)
  • Geophysics And Detection Of Objects (AREA)
FR51861D 1939-04-15 1941-09-24 Improvements to direction-finding installations Expired FR51861E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET52108D DE724081C (en) 1939-04-15 1939-04-15 Goniometer for two or more wave ranges

Publications (1)

Publication Number Publication Date
FR51861E true FR51861E (en) 1943-05-24

Family

ID=7563843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR51861D Expired FR51861E (en) 1939-04-15 1941-09-24 Improvements to direction-finding installations

Country Status (2)

Country Link
DE (1) DE724081C (en)
FR (1) FR51861E (en)

Also Published As

Publication number Publication date
DE724081C (en) 1942-08-18

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