JPS523395A - Directional detector - Google Patents

Directional detector

Info

Publication number
JPS523395A
JPS523395A JP7915175A JP7915175A JPS523395A JP S523395 A JPS523395 A JP S523395A JP 7915175 A JP7915175 A JP 7915175A JP 7915175 A JP7915175 A JP 7915175A JP S523395 A JPS523395 A JP S523395A
Authority
JP
Japan
Prior art keywords
directional detector
antenna system
sense
coinciding
frequency band
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.)
Granted
Application number
JP7915175A
Other languages
Japanese (ja)
Other versions
JPS5611111B2 (en
Inventor
Kiyoetsu Hachitani
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric 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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP7915175A priority Critical patent/JPS523395A/en
Publication of JPS523395A publication Critical patent/JPS523395A/en
Publication of JPS5611111B2 publication Critical patent/JPS5611111B2/ja
Granted 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
    • G01S3/10—Means for reducing or compensating for quadrantal, site, or like errors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Details Of Aerials (AREA)

Abstract

PURPOSE:Accurately effecting a sense determination over a wide range of frequency band by coinciding a loop antenna system with a sense antenna system relative to its resonance characteristics.
JP7915175A 1975-06-24 1975-06-24 Directional detector Granted JPS523395A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7915175A JPS523395A (en) 1975-06-24 1975-06-24 Directional detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7915175A JPS523395A (en) 1975-06-24 1975-06-24 Directional detector

Publications (2)

Publication Number Publication Date
JPS523395A true JPS523395A (en) 1977-01-11
JPS5611111B2 JPS5611111B2 (en) 1981-03-12

Family

ID=13681948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7915175A Granted JPS523395A (en) 1975-06-24 1975-06-24 Directional detector

Country Status (1)

Country Link
JP (1) JPS523395A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144279U (en) * 1982-03-23 1983-09-28 太洋無線株式会社 direction finder antenna device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144279U (en) * 1982-03-23 1983-09-28 太洋無線株式会社 direction finder antenna device

Also Published As

Publication number Publication date
JPS5611111B2 (en) 1981-03-12

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