FR1381217A - Système d'écoute à grilles - Google Patents

Système d'écoute à grilles

Info

Publication number
FR1381217A
FR1381217A FR884629A FR884629A FR1381217A FR 1381217 A FR1381217 A FR 1381217A FR 884629 A FR884629 A FR 884629A FR 884629 A FR884629 A FR 884629A FR 1381217 A FR1381217 A FR 1381217A
Authority
FR
France
Prior art keywords
grid
listening system
listening
grid listening
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.)
Expired
Application number
FR884629A
Other languages
English (en)
French (fr)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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
Priority to NL287672D priority Critical patent/NL287672A/xx
Application filed by CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR884629A priority patent/FR1381217A/fr
Priority to GB76763A priority patent/GB1025466A/en
Priority to DEC28883A priority patent/DE1191721B/de
Application granted granted Critical
Publication of FR1381217A publication Critical patent/FR1381217A/fr
Priority to FR914615A priority patent/FR87151E/fr
Expired 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
    • G01S3/805—Systems 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
    • 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
    • G01S3/8083—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 determining direction of source
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/003—Transmission 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)
FR884629A 1962-01-12 1962-01-12 Système d'écoute à grilles Expired FR1381217A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL287672D NL287672A (de) 1962-01-12
FR884629A FR1381217A (fr) 1962-01-12 1962-01-12 Système d'écoute à grilles
GB76763A GB1025466A (en) 1962-01-12 1963-01-07 Improvements in sound source locating systems
DEC28883A DE1191721B (de) 1962-01-12 1963-01-11 Schallortungsgeraet
FR914615A FR87151E (fr) 1962-01-12 1965-11-07 Système d'écoute à grilles

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
FR1381217A true FR1381217A (fr) 1964-12-14

Family

ID=8770334

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2050619A5 (de) * 1969-06-18 1971-04-02 Cit Alcatel

Families Citing this family (2)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2050619A5 (de) * 1969-06-18 1971-04-02 Cit Alcatel

Also Published As

Publication number Publication date
GB1025466A (en) 1966-04-06
NL287672A (de)
DE1191721B (de) 1965-04-22

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