BE855832A - Perfectionnements aux dispositifs de sondage par ultra-sons - Google Patents

Perfectionnements aux dispositifs de sondage par ultra-sons

Info

Publication number
BE855832A
BE855832A BE178557A BE178557A BE855832A BE 855832 A BE855832 A BE 855832A BE 178557 A BE178557 A BE 178557A BE 178557 A BE178557 A BE 178557A BE 855832 A BE855832 A BE 855832A
Authority
BE
Belgium
Prior art keywords
ultra
sound
surveying devices
surveying
devices
Prior art date
Application number
BE178557A
Other languages
English (en)
French (fr)
Original Assignee
Anvar
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 claimed from FR7618640A external-priority patent/FR2355288A2/fr
Application filed by Anvar filed Critical Anvar
Publication of BE855832A publication Critical patent/BE855832A/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/34Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341Circuits therefor
    • G10K11/346Circuits therefor using phase variation
    • 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/89Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8918Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being linear

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
BE178557A 1976-06-18 1977-06-17 Perfectionnements aux dispositifs de sondage par ultra-sons BE855832A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7618640A FR2355288A2 (fr) 1974-11-28 1976-06-18 Perfectionnements aux procedes et dispositifs de sondage par ultra-sons

Publications (1)

Publication Number Publication Date
BE855832A true BE855832A (fr) 1977-12-19

Family

ID=9174613

Family Applications (1)

Application Number Title Priority Date Filing Date
BE178557A BE855832A (fr) 1976-06-18 1977-06-17 Perfectionnements aux dispositifs de sondage par ultra-sons

Country Status (10)

Country Link
JP (1) JPS52155890A (enExample)
BE (1) BE855832A (enExample)
CA (1) CA1090914A (enExample)
DK (1) DK270777A (enExample)
ES (1) ES459722A1 (enExample)
GB (1) GB1580235A (enExample)
IE (1) IE45216B1 (enExample)
IT (1) IT1078335B (enExample)
LU (1) LU77569A1 (enExample)
SE (1) SE420774B (enExample)

Also Published As

Publication number Publication date
IT1078335B (it) 1985-05-08
CA1090914A (en) 1980-12-02
IE45216B1 (en) 1982-07-14
GB1580235A (en) 1980-11-26
JPS52155890A (en) 1977-12-24
LU77569A1 (enExample) 1978-02-01
ES459722A1 (es) 1978-04-01
IE45216L (en) 1977-12-18
DK270777A (da) 1977-12-19
SE420774B (sv) 1981-10-26
SE7707022L (sv) 1978-02-06

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE

Effective date: 19840617