GB1524476A - Acoustic wave transmitter-receiver devices for use in doppler navigation systems - Google Patents

Acoustic wave transmitter-receiver devices for use in doppler navigation systems

Info

Publication number
GB1524476A
GB1524476A GB28084/76A GB2808476A GB1524476A GB 1524476 A GB1524476 A GB 1524476A GB 28084/76 A GB28084/76 A GB 28084/76A GB 2808476 A GB2808476 A GB 2808476A GB 1524476 A GB1524476 A GB 1524476A
Authority
GB
United Kingdom
Prior art keywords
vertical
assemblies
pair
doppler
acoustic wave
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
GB28084/76A
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.)
Thales SA
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
Thomson CSF 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
Application filed by IFP Energies Nouvelles IFPEN, Thomson CSF SA filed Critical IFP Energies Nouvelles IFPEN
Publication of GB1524476A publication Critical patent/GB1524476A/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
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/905—Side lobe reduction or shading

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Fluid Pressure (AREA)
GB28084/76A 1975-07-07 1976-07-06 Acoustic wave transmitter-receiver devices for use in doppler navigation systems Expired GB1524476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7521495A FR2317666A1 (fr) 1975-07-07 1975-07-07 Dispositif emetteur-recepteur d'ondes acoustiques

Publications (1)

Publication Number Publication Date
GB1524476A true GB1524476A (en) 1978-09-13

Family

ID=9157688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28084/76A Expired GB1524476A (en) 1975-07-07 1976-07-06 Acoustic wave transmitter-receiver devices for use in doppler navigation systems

Country Status (6)

Country Link
US (1) US4105991A (enExample)
DE (1) DE2630550A1 (enExample)
FR (1) FR2317666A1 (enExample)
GB (1) GB1524476A (enExample)
NL (1) NL7607463A (enExample)
NO (1) NO143445C (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3401865C1 (de) * 1984-01-20 1993-10-21 Honeywell Elac Nautik Gmbh Unterwasser-Schallempfangsanlage
DE3447842A1 (de) * 1984-12-29 1986-07-10 Fried. Krupp Gmbh, 4300 Essen Sonarbasis
US5109042A (en) * 1987-03-23 1992-04-28 Phillips Petroleum Company Fluid loss additive for cement slurries containing a n-vinyl-2-pyrrolidone-ω-2-acrylamido-2-methylpropane sulfonate-ω-acrylic acid-ω-acrylamide polymer
DE4024353A1 (de) * 1990-08-01 1992-02-13 Krupp Atlas Elektronik Gmbh Schaltanordnung zum impulsfoermigen abstrahlen von schallwellen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691513A (en) * 1968-09-19 1972-09-12 Krupp Gmbh Velocity measuring system
FR2101056B1 (enExample) * 1970-08-13 1974-03-01 Inst Francais Du Petrole
CA988196A (en) * 1972-09-12 1976-04-27 Commonwealth Of Australia (The) Cross array ultrasonic transducer

Also Published As

Publication number Publication date
FR2317666B1 (enExample) 1980-07-25
NO143445B (no) 1980-11-03
NO143445C (no) 1981-02-11
US4105991A (en) 1978-08-08
NL7607463A (nl) 1977-01-11
FR2317666A1 (fr) 1977-02-04
NO762345L (enExample) 1977-01-10
DE2630550A1 (de) 1977-01-13

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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