JPS61139770A - 簡易形方向探知装置 - Google Patents

簡易形方向探知装置

Info

Publication number
JPS61139770A
JPS61139770A JP26319884A JP26319884A JPS61139770A JP S61139770 A JPS61139770 A JP S61139770A JP 26319884 A JP26319884 A JP 26319884A JP 26319884 A JP26319884 A JP 26319884A JP S61139770 A JPS61139770 A JP S61139770A
Authority
JP
Japan
Prior art keywords
antenna
signal
indicator
phase
antennas
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
JP26319884A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0330111B2 (enrdf_load_stackoverflow
Inventor
Nobuo Sato
信雄 佐藤
Katsuji Miwa
三輪　勝二
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.)
Koden Electronics Co Ltd
Original Assignee
Koden Electronics 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 Koden Electronics Co Ltd filed Critical Koden Electronics Co Ltd
Priority to JP26319884A priority Critical patent/JPS61139770A/ja
Publication of JPS61139770A publication Critical patent/JPS61139770A/ja
Publication of JPH0330111B2 publication Critical patent/JPH0330111B2/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
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems

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)
JP26319884A 1984-12-12 1984-12-12 簡易形方向探知装置 Granted JPS61139770A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26319884A JPS61139770A (ja) 1984-12-12 1984-12-12 簡易形方向探知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26319884A JPS61139770A (ja) 1984-12-12 1984-12-12 簡易形方向探知装置

Publications (2)

Publication Number Publication Date
JPS61139770A true JPS61139770A (ja) 1986-06-27
JPH0330111B2 JPH0330111B2 (enrdf_load_stackoverflow) 1991-04-26

Family

ID=17386136

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26319884A Granted JPS61139770A (ja) 1984-12-12 1984-12-12 簡易形方向探知装置

Country Status (1)

Country Link
JP (1) JPS61139770A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6331381U (enrdf_load_stackoverflow) * 1986-08-18 1988-02-29
US7750841B2 (en) 2003-11-03 2010-07-06 Cambridge Consultants Limited Determining positional information

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57164479U (enrdf_load_stackoverflow) * 1981-03-26 1982-10-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57164479U (enrdf_load_stackoverflow) * 1981-03-26 1982-10-16

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6331381U (enrdf_load_stackoverflow) * 1986-08-18 1988-02-29
US7750841B2 (en) 2003-11-03 2010-07-06 Cambridge Consultants Limited Determining positional information

Also Published As

Publication number Publication date
JPH0330111B2 (enrdf_load_stackoverflow) 1991-04-26

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees