NL160393C - DIRECTION DETERMINATION DEVICE FOR ACOUSTIC SIGNALS. - Google Patents

DIRECTION DETERMINATION DEVICE FOR ACOUSTIC SIGNALS.

Info

Publication number
NL160393C
NL160393C NL287201A NL287201A NL160393C NL 160393 C NL160393 C NL 160393C NL 287201 A NL287201 A NL 287201A NL 287201 A NL287201 A NL 287201A NL 160393 C NL160393 C NL 160393C
Authority
NL
Netherlands
Prior art keywords
determination device
acoustic signals
direction determination
acoustic
signals
Prior art date
Application number
NL287201A
Other languages
Dutch (nl)
Other versions
NL160393B (en
Original Assignee
Csf
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 Csf filed Critical Csf
Publication of NL160393B publication Critical patent/NL160393B/en
Application granted granted Critical
Publication of NL160393C publication Critical patent/NL160393C/en

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
    • G01S3/84—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 with indication presented on cathode-ray tubes
    • 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
    • G01S3/8006—Multi-channel systems specially adapted for direction-finding, i.e. having a single aerial system capable of giving simultaneous indications of the directions of different signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NL287201A 1961-12-28 1962-12-27 DIRECTION DETERMINATION DEVICE FOR ACOUSTIC SIGNALS. NL160393C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR883258A FR1605544A (en) 1961-12-28 1961-12-28

Publications (2)

Publication Number Publication Date
NL160393B NL160393B (en) 1979-05-15
NL160393C true NL160393C (en) 1979-10-15

Family

ID=8769545

Family Applications (1)

Application Number Title Priority Date Filing Date
NL287201A NL160393C (en) 1961-12-28 1962-12-27 DIRECTION DETERMINATION DEVICE FOR ACOUSTIC SIGNALS.

Country Status (4)

Country Link
DE (1) DE1441485C1 (en)
FR (1) FR1605544A (en)
GB (1) GB1560681A (en)
NL (1) NL160393C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279027A (en) * 1979-09-13 1981-07-14 Honeywell Inc. Acoustic sensor
GB2147760B (en) * 1983-10-07 1987-04-15 Racal Res Ltd Direction finding systems
US4703459A (en) * 1984-12-03 1987-10-27 Exxon Production Research Company Directional acoustic logger apparatus and method

Also Published As

Publication number Publication date
DE1441485C1 (en) 1980-04-03
FR1605544A (en) 1979-06-29
GB1560681A (en) 1980-02-06
NL160393B (en) 1979-05-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: FIL