GB2087186B - Radio direction finder - Google Patents

Radio direction finder

Info

Publication number
GB2087186B
GB2087186B GB8118458A GB8118458A GB2087186B GB 2087186 B GB2087186 B GB 2087186B GB 8118458 A GB8118458 A GB 8118458A GB 8118458 A GB8118458 A GB 8118458A GB 2087186 B GB2087186 B GB 2087186B
Authority
GB
United Kingdom
Prior art keywords
direction finder
radio direction
radio
finder
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
GB8118458A
Other languages
English (en)
Other versions
GB2087186A (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.)
Taiyo Musen Co Ltd
Original Assignee
Taiyo Musen Co Ltd
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 Taiyo Musen Co Ltd filed Critical Taiyo Musen Co Ltd
Publication of GB2087186A publication Critical patent/GB2087186A/en
Application granted granted Critical
Publication of GB2087186B publication Critical patent/GB2087186B/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB8118458A 1980-10-20 1981-06-16 Radio direction finder Expired GB2087186B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55145753A JPS5769267A (en) 1980-10-20 1980-10-20 Antenna apparatus for azimuth measuring apparatus

Publications (2)

Publication Number Publication Date
GB2087186A GB2087186A (en) 1982-05-19
GB2087186B true GB2087186B (en) 1984-09-12

Family

ID=15392353

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8118458A Expired GB2087186B (en) 1980-10-20 1981-06-16 Radio direction finder

Country Status (5)

Country Link
JP (1) JPS5769267A (fr)
KR (1) KR860000330B1 (fr)
DE (1) DE3125304C2 (fr)
FR (1) FR2492536B1 (fr)
GB (1) GB2087186B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045859A (en) * 1988-09-15 1991-09-03 Aviation Systems Concepts, Inc. Phase reference navigation system and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1094822B (de) * 1957-11-07 1960-12-15 Dr Maximilian Waechtler Anordnung zur dreidimensionalen Peilung eines Funksenders
FR1231865A (fr) * 1959-04-17 1960-10-04 Radio-goniomètre à indicateur galvanométrique
DE977793C (de) * 1961-05-10 1970-05-27 Telefunken Patent Verfahren zur Peilung impulsfoermiger Signale
US3435454A (en) * 1968-02-01 1969-03-25 Us Army Electronic servo system
US4135191A (en) * 1977-06-13 1979-01-16 The Bendix Corporation Coherent demodulator
GB2056812B (en) * 1979-08-08 1984-06-06 Taiyo Musen Co Ltd Radio direction finder

Also Published As

Publication number Publication date
GB2087186A (en) 1982-05-19
DE3125304A1 (de) 1982-05-13
JPS5769267A (en) 1982-04-27
FR2492536A1 (fr) 1982-04-23
KR830006831A (ko) 1983-10-06
DE3125304C2 (de) 1984-08-09
KR860000330B1 (ko) 1986-04-09
FR2492536B1 (fr) 1985-11-08

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010615