GB1372657A - Echo-sounder - Google Patents

Echo-sounder

Info

Publication number
GB1372657A
GB1372657A GB2052173A GB2052173A GB1372657A GB 1372657 A GB1372657 A GB 1372657A GB 2052173 A GB2052173 A GB 2052173A GB 2052173 A GB2052173 A GB 2052173A GB 1372657 A GB1372657 A GB 1372657A
Authority
GB
United Kingdom
Prior art keywords
detectors
output
detector
array
function
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
GB2052173A
Other languages
English (en)
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel SA
Nokia Inc
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 Compagnie Industrielle de Telecommunication CIT Alcatel SA, Nokia Inc filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Publication of GB1372657A publication Critical patent/GB1372657A/en
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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8977—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using special techniques for image reconstruction, e.g. FFT, geometrical transformations, spatial deconvolution, time deconvolution
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • 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
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/56—Display arrangements
    • G01S7/62—Cathode-ray tube displays
    • G01S7/6218—Cathode-ray tube displays providing two-dimensional coordinated display of distance and direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB2052173A 1972-04-28 1973-04-30 Echo-sounder Expired GB1372657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7215414A FR2181581B1 (enExample) 1972-04-28 1972-04-28

Publications (1)

Publication Number Publication Date
GB1372657A true GB1372657A (en) 1974-11-06

Family

ID=9097789

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2052173A Expired GB1372657A (en) 1972-04-28 1973-04-30 Echo-sounder

Country Status (5)

Country Link
US (1) US3852745A (enExample)
DE (1) DE2321528A1 (enExample)
FR (1) FR2181581B1 (enExample)
GB (1) GB1372657A (enExample)
NL (1) NL7305991A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209853A (en) * 1974-07-22 1980-06-24 Hyatt Gilbert P Holographic system for object location and identification
US3909827A (en) * 1974-08-30 1975-09-30 Gen Dynamics Corp Method of and system for microwave interferometry
US4170142A (en) * 1977-07-15 1979-10-09 Electric Power Research Institute, Inc. Linear transducer array and method for both pulse-echo and holographic acoustic imaging
DE3024995A1 (de) * 1980-07-02 1982-01-28 Philips Patentverwaltung Gmbh, 2000 Hamburg Ultraschall-untersuchungsanordnung
US5132693A (en) * 1990-05-31 1992-07-21 The Boeing Company Radar apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484739A (en) * 1967-09-08 1969-12-16 Shell Oil Co Optical acoustic seismic model
US3631384A (en) * 1969-04-04 1971-12-28 Shell Oil Co Seismic holography
US3719922A (en) * 1971-06-24 1973-03-06 L Lopes Digital camera

Also Published As

Publication number Publication date
FR2181581A1 (enExample) 1973-12-07
NL7305991A (enExample) 1973-10-30
DE2321528A1 (de) 1973-11-15
FR2181581B1 (enExample) 1976-10-29
US3852745A (en) 1974-12-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee