NL287672A - - Google Patents

Info

Publication number
NL287672A
NL287672A NL287672DA NL287672A NL 287672 A NL287672 A NL 287672A NL 287672D A NL287672D A NL 287672DA NL 287672 A NL287672 A NL 287672A
Authority
NL
Netherlands
Application number
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.)
Publication of NL287672A publication Critical patent/NL287672A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80Direction-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
    • G01S3/802Systems for determining direction or deviation from predetermined direction
    • G01S3/805Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristics of a transducer or transducer system to give a desired condition of signal derived from that transducer or transducer system, e.g. to give a maximum or minimum signal
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80Direction-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
    • G01S3/802Systems for determining direction or deviation from predetermined direction
    • G01S3/808Systems 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
    • G01S3/8083Systems 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 determining direction of source
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/003Transmission of data between radar, sonar or lidar systems and remote stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NL287672D 1962-01-12 NL287672A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR884629A FR1381217A (fr) 1962-01-12 1962-01-12 Système d'écoute à grilles

Publications (1)

Publication Number Publication Date
NL287672A true NL287672A (xx)

Family

ID=8770334

Family Applications (1)

Application Number Title Priority Date Filing Date
NL287672D NL287672A (xx) 1962-01-12

Country Status (4)

Country Link
DE (1) DE1191721B (xx)
FR (1) FR1381217A (xx)
GB (1) GB1025466A (xx)
NL (1) NL287672A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2049666A5 (xx) * 1969-06-16 1971-03-26 Cit Alcatel
FR2050619A5 (xx) * 1969-06-18 1971-04-02 Cit Alcatel
CA1135826A (en) * 1978-09-08 1982-11-16 Adrian Van't Hullenaar Digital time-delay beamformer for sonar systems

Also Published As

Publication number Publication date
GB1025466A (en) 1966-04-06
FR1381217A (fr) 1964-12-14
DE1191721B (de) 1965-04-22

Similar Documents

Publication Publication Date Title
BE616548R (xx)
BE632053A (xx)
BE633060A (xx)
BE380301A (xx)
BE489310A (xx)
BE538252A (xx)
BE538831A (xx)
BE541929A (xx)
BE553896A (xx)
BE559145A (xx)
BE586180A (xx)
BE592434A (xx)
BE599783A (xx)
BE604335A (xx)
BE608197A (xx)
BE609543A (xx)
BE612190A (xx)
BE612311A (xx)
BE612464A (xx)
BE612847A (xx)
BE612926A (xx)
BE613108A (xx)
BE613190A (xx)
BE613298A (xx)
AU269855A (xx)