FR939417A - Perfectionnements aux radiogoniomètres - Google Patents

Perfectionnements aux radiogoniomètres

Info

Publication number
FR939417A
FR939417A FR939417DA FR939417A FR 939417 A FR939417 A FR 939417A FR 939417D A FR939417D A FR 939417DA FR 939417 A FR939417 A FR 939417A
Authority
FR
France
Prior art keywords
direction finders
finders
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
English (en)
Inventor
Henri Gaston Busignies
John L Allison
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939417A publication Critical patent/FR939417A/fr
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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR939417D 1945-06-20 1946-11-15 Perfectionnements aux radiogoniomètres Expired FR939417A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US600478A US2452546A (en) 1945-06-20 1945-06-20 Direction finder

Publications (1)

Publication Number Publication Date
FR939417A true FR939417A (fr) 1948-11-15

Family

ID=24403758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939417D Expired FR939417A (fr) 1945-06-20 1946-11-15 Perfectionnements aux radiogoniomètres

Country Status (4)

Country Link
US (1) US2452546A (fr)
BE (1) BE472932A (fr)
FR (1) FR939417A (fr)
NL (1) NL69988C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465342A (en) * 1952-05-06 1969-09-02 Bernard M Delapalme Radio direction-finding receiver for the detection of radar apparatus

Also Published As

Publication number Publication date
US2452546A (en) 1948-11-02
NL69988C (fr)
BE472932A (fr)

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