GB636199A - Improvements in radio direction-finding devices - Google Patents

Improvements in radio direction-finding devices

Info

Publication number
GB636199A
GB636199A GB4820/47A GB482047A GB636199A GB 636199 A GB636199 A GB 636199A GB 4820/47 A GB4820/47 A GB 4820/47A GB 482047 A GB482047 A GB 482047A GB 636199 A GB636199 A GB 636199A
Authority
GB
United Kingdom
Prior art keywords
receivers
switches
test
balanced
adjusting
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
GB4820/47A
Other languages
English (en)
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB636199A publication Critical patent/GB636199A/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
    • 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
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae
    • 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)
GB4820/47A 1944-02-26 1947-02-19 Improvements in radio direction-finding devices Expired GB636199A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL248846X 1944-02-26

Publications (1)

Publication Number Publication Date
GB636199A true GB636199A (en) 1950-04-26

Family

ID=19780970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4820/47A Expired GB636199A (en) 1944-02-26 1947-02-19 Improvements in radio direction-finding devices

Country Status (4)

Country Link
BE (1) BE462410A (enrdf_load_stackoverflow)
CH (1) CH248846A (enrdf_load_stackoverflow)
FR (1) FR926621A (enrdf_load_stackoverflow)
GB (1) GB636199A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971912C (de) * 1954-04-14 1959-04-16 Telefunken Gmbh Zweikanal-Peilanlage mit Vergleichsindikator
DE1019720B (de) * 1956-01-30 1957-11-21 Plath G M B H Nautisch Elektro Anordnung zum automatischen Abgleich eines Doppelkanal-Sichtfunkpeilers
NO131561C (enrdf_load_stackoverflow) * 1971-05-07 1975-06-18 Standard Tel Kabelfab As

Also Published As

Publication number Publication date
CH248846A (de) 1947-05-31
FR926621A (fr) 1947-10-07
BE462410A (enrdf_load_stackoverflow)

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