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JPS5378865A - Retacle - Google Patents

Retacle

Info

Publication number
JPS5378865A
JPS5378865A JP15472476A JP15472476A JPS5378865A JP S5378865 A JPS5378865 A JP S5378865A JP 15472476 A JP15472476 A JP 15472476A JP 15472476 A JP15472476 A JP 15472476A JP S5378865 A JPS5378865 A JP S5378865A
Authority
JP
Japan
Prior art keywords
retacle
apaque
trailing
accuracy
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.)
Pending
Application number
JP15472476A
Other languages
Japanese (ja)
Inventor
Katsuyoshi Ito
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP15472476A priority Critical patent/JPS5378865A/en
Publication of JPS5378865A publication Critical patent/JPS5378865A/en
Pending 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
    • G01S3/78—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 electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

PURPOSE:To prevent the trailing accuracy from being deteriorated even in the axial direction by forming either a transparent aperture or an apaque band on the concentric circumference of a frequency modulation fixed retacle having axially symmetric patterns.
JP15472476A 1976-12-22 1976-12-22 Retacle Pending JPS5378865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15472476A JPS5378865A (en) 1976-12-22 1976-12-22 Retacle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15472476A JPS5378865A (en) 1976-12-22 1976-12-22 Retacle

Publications (1)

Publication Number Publication Date
JPS5378865A true JPS5378865A (en) 1978-07-12

Family

ID=15590564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15472476A Pending JPS5378865A (en) 1976-12-22 1976-12-22 Retacle

Country Status (1)

Country Link
JP (1) JPS5378865A (en)

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