JPS5524688A - Directional beam generator - Google Patents

Directional beam generator

Info

Publication number
JPS5524688A
JPS5524688A JP9858278A JP9858278A JPS5524688A JP S5524688 A JPS5524688 A JP S5524688A JP 9858278 A JP9858278 A JP 9858278A JP 9858278 A JP9858278 A JP 9858278A JP S5524688 A JPS5524688 A JP S5524688A
Authority
JP
Japan
Prior art keywords
circuit
received signals
square waves
multiplying
fed
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
JP9858278A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6225995B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Iino
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 JP9858278A priority Critical patent/JPS5524688A/ja
Publication of JPS5524688A publication Critical patent/JPS5524688A/ja
Publication of JPS6225995B2 publication Critical patent/JPS6225995B2/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
    • G01S3/80—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 ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP9858278A 1978-08-11 1978-08-11 Directional beam generator Granted JPS5524688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9858278A JPS5524688A (en) 1978-08-11 1978-08-11 Directional beam generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9858278A JPS5524688A (en) 1978-08-11 1978-08-11 Directional beam generator

Publications (2)

Publication Number Publication Date
JPS5524688A true JPS5524688A (en) 1980-02-21
JPS6225995B2 JPS6225995B2 (enrdf_load_stackoverflow) 1987-06-05

Family

ID=14223639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9858278A Granted JPS5524688A (en) 1978-08-11 1978-08-11 Directional beam generator

Country Status (1)

Country Link
JP (1) JPS5524688A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139084A (ja) * 1982-02-13 1983-08-18 Tech Res & Dev Inst Of Japan Def Agency パツシブソ−ナ−信号処理方式
JP2009257823A (ja) * 2008-04-14 2009-11-05 Kansai Electric Power Co Inc:The 超音波三次元距離計測装置及び超音波三次元距離計測方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139084A (ja) * 1982-02-13 1983-08-18 Tech Res & Dev Inst Of Japan Def Agency パツシブソ−ナ−信号処理方式
JP2009257823A (ja) * 2008-04-14 2009-11-05 Kansai Electric Power Co Inc:The 超音波三次元距離計測装置及び超音波三次元距離計測方法

Also Published As

Publication number Publication date
JPS6225995B2 (enrdf_load_stackoverflow) 1987-06-05

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