ES493021A0 - Un circuito para tratar senales de eco - Google Patents

Un circuito para tratar senales de eco

Info

Publication number
ES493021A0
ES493021A0 ES493021A ES493021A ES493021A0 ES 493021 A0 ES493021 A0 ES 493021A0 ES 493021 A ES493021 A ES 493021A ES 493021 A ES493021 A ES 493021A ES 493021 A0 ES493021 A0 ES 493021A0
Authority
ES
Spain
Prior art keywords
treat
circuit
eco
signals
eco signals
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.)
Granted
Application number
ES493021A
Other languages
English (en)
Other versions
ES8104907A1 (es
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES493021A0 publication Critical patent/ES493021A0/es
Publication of ES8104907A1 publication Critical patent/ES8104907A1/es
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
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8925—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays
    • 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
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver
    • G01S7/52047—Techniques for image enhancement involving transmitter or receiver for elimination of side lobes or of grating lobes; for increasing resolving power
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
ES493021A 1979-07-04 1980-07-02 Un circuito para tratar senales de eco Expired ES8104907A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7917379A FR2460489A1 (fr) 1979-07-04 1979-07-04 Circuit de traitement des signaux de reception d'une mosaique de transducteur ultra-sonore utilisee en echographie de type b

Publications (2)

Publication Number Publication Date
ES493021A0 true ES493021A0 (es) 1981-05-16
ES8104907A1 ES8104907A1 (es) 1981-05-16

Family

ID=9227507

Family Applications (1)

Application Number Title Priority Date Filing Date
ES493021A Expired ES8104907A1 (es) 1979-07-04 1980-07-02 Un circuito para tratar senales de eco

Country Status (12)

Country Link
US (1) US4324142A (es)
JP (1) JPS5611374A (es)
AU (1) AU537043B2 (es)
BE (1) BE884155A (es)
CA (1) CA1146662A (es)
DE (1) DE3025168C2 (es)
ES (1) ES8104907A1 (es)
FR (1) FR2460489A1 (es)
GB (1) GB2053475B (es)
IT (1) IT1132151B (es)
NL (1) NL8003770A (es)
SE (1) SE448596B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56158648A (en) * 1980-05-09 1981-12-07 Tokyo Shibaura Electric Co Ultrasonic diagnostic apparatus
FR2496919A1 (fr) * 1980-12-22 1982-06-25 Labo Electronique Physique Appareil d'examen de milieux par methode ultrasonore
DE3375614D1 (en) * 1982-02-24 1988-03-10 Toshiba Kk Ultrasonic diagnostic apparatus
JPS59174150A (ja) * 1983-03-25 1984-10-02 横河メディカルシステム株式会社 多焦点超音波診断装置
JPS61113435A (ja) * 1984-07-20 1986-05-31 横河メディカルシステム株式会社 音響影像装置
US4640291A (en) * 1985-06-27 1987-02-03 North American Philips Corporation Bi-plane phased array for ultrasound medical imaging
US4671293A (en) * 1985-10-15 1987-06-09 North American Philips Corporation Biplane phased array for ultrasonic medical imaging
JP2554468B2 (ja) * 1985-12-03 1996-11-13 日本電波工業株式会社 超音波探触子及びその製造方法
GB8617567D0 (en) * 1986-07-18 1986-08-28 Szilard J Ultrasonic imaging apparatus
US4945915A (en) * 1987-02-20 1990-08-07 Olympus Optical Co., Ltd. Ultrasonic diagnosis apparatus
JPH02217000A (ja) * 1989-02-16 1990-08-29 Hitachi Ltd 超音波探触子
US5068832A (en) * 1990-02-15 1991-11-26 The United States Of America As Represented By The Secretary Of The Navy Binaural ultrasound detector and imager
FR2731866B1 (fr) * 1995-03-14 1997-04-11 Thomson Csf Antenne acoustique lineaire a balayage electronique
US5808967A (en) * 1996-10-07 1998-09-15 Rowe-Deines Instruments Incorporated Two-dimensional array transducer and beamformer
JP5393256B2 (ja) * 2009-05-25 2014-01-22 キヤノン株式会社 超音波装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2109220A5 (es) * 1970-10-07 1972-05-26 Alais Pierre
US4034332A (en) * 1974-10-15 1977-07-05 Agence Nationale De Valorisation De La Recherche (Anvar) Ultrasonic transmitting and receiving devices using dielectric transducers
FR2292978A1 (fr) * 1974-11-28 1976-06-25 Anvar Perfectionnements aux dispositifs de sondage par ultra-sons
FR2334953A1 (fr) * 1975-12-11 1977-07-08 Labo Electronique Physique Systeme d'analyse par ultrasons et son application a l'echographie
US4131023A (en) * 1976-03-04 1978-12-26 Rca Corporation Pulse-echo ultrasonic-imaging display system
GB1544961A (en) * 1976-03-04 1979-04-25 Rca Corp High resolution pulse-echo ultrasonic imaging display system
FR2399661A1 (fr) * 1977-08-05 1979-03-02 Anvar Perfectionnements aux dispositifs de formation d'images ultrasonores en echographie b
US4127034A (en) * 1977-12-23 1978-11-28 General Electric Company Digital rectilinear ultrasonic imaging system

Also Published As

Publication number Publication date
FR2460489A1 (fr) 1981-01-23
JPS5611374A (en) 1981-02-04
GB2053475A (en) 1981-02-04
FR2460489B1 (es) 1983-10-28
JPS616348B2 (es) 1986-02-25
US4324142A (en) 1982-04-13
DE3025168A1 (de) 1981-01-08
ES8104907A1 (es) 1981-05-16
NL8003770A (nl) 1981-01-06
IT1132151B (it) 1986-06-25
BE884155A (fr) 1981-01-05
CA1146662A (en) 1983-05-17
AU5976580A (en) 1981-01-15
GB2053475B (en) 1984-03-07
SE448596B (sv) 1987-03-09
IT8023165A0 (it) 1980-07-01
DE3025168C2 (de) 1984-07-12
SE8004838L (sv) 1981-01-05
AU537043B2 (en) 1984-05-31

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