FR879741A - Direction-finding device - Google Patents

Direction-finding device

Info

Publication number
FR879741A
FR879741A FR879741DA FR879741A FR 879741 A FR879741 A FR 879741A FR 879741D A FR879741D A FR 879741DA FR 879741 A FR879741 A FR 879741A
Authority
FR
France
Prior art keywords
finding device
finding
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 FR879741A publication Critical patent/FR879741A/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)
  • Superheterodyne Receivers (AREA)
FR879741D 1940-12-01 1942-02-27 Direction-finding device Expired FR879741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET5215D DE909585C (en) 1940-12-01 1940-12-01 Automatic direction finder

Publications (1)

Publication Number Publication Date
FR879741A true FR879741A (en) 1943-03-03

Family

ID=7544925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879741D Expired FR879741A (en) 1940-12-01 1942-02-27 Direction-finding device

Country Status (2)

Country Link
DE (1) DE909585C (en)
FR (1) FR879741A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900633A (en) * 1954-06-30 1959-08-18 Nello R Castellini Radio direction finder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900633A (en) * 1954-06-30 1959-08-18 Nello R Castellini Radio direction finder

Also Published As

Publication number Publication date
DE909585C (en) 1954-04-22

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