DE3382060D1 - Ringfoermig angeordnete ultraschallwandler. - Google Patents

Ringfoermig angeordnete ultraschallwandler.

Info

Publication number
DE3382060D1
DE3382060D1 DE8383305746T DE3382060T DE3382060D1 DE 3382060 D1 DE3382060 D1 DE 3382060D1 DE 8383305746 T DE8383305746 T DE 8383305746T DE 3382060 T DE3382060 T DE 3382060T DE 3382060 D1 DE3382060 D1 DE 3382060D1
Authority
DE
Germany
Prior art keywords
ultrasonic transducers
ring shaped
shaped ultrasonic
ring
transducers
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 - Fee Related
Application number
DE8383305746T
Other languages
English (en)
Inventor
Dennis R Dietz
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.)
Technicare Corp
Original Assignee
Technicare Corp
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 Technicare Corp filed Critical Technicare Corp
Application granted granted Critical
Publication of DE3382060D1 publication Critical patent/DE3382060D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S15/8922—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being concentric or annular
    • 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
    • G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
    • 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
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • 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
    • G10K11/345—Circuits therefor using energy switching from one active element to another

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)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE8383305746T 1982-09-27 1983-09-26 Ringfoermig angeordnete ultraschallwandler. Expired - Fee Related DE3382060D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8227532 1982-09-27

Publications (1)

Publication Number Publication Date
DE3382060D1 true DE3382060D1 (de) 1991-01-24

Family

ID=10533191

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8383305746T Expired - Fee Related DE3382060D1 (de) 1982-09-27 1983-09-26 Ringfoermig angeordnete ultraschallwandler.
DE8383305745T Expired - Fee Related DE3381056D1 (de) 1982-09-27 1983-09-26 Ultraschallsichtgeraet zur diagnostik mit variabler tiefenschaerfe.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8383305745T Expired - Fee Related DE3381056D1 (de) 1982-09-27 1983-09-26 Ultraschallsichtgeraet zur diagnostik mit variabler tiefenschaerfe.

Country Status (8)

Country Link
US (1) US4534221A (de)
EP (2) EP0104928B1 (de)
JP (4) JPS5980098A (de)
AU (2) AU572795B2 (de)
CA (2) CA1217554A (de)
DE (2) DE3382060D1 (de)
ES (2) ES525959A0 (de)
HK (2) HK38390A (de)

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Also Published As

Publication number Publication date
EP0104929A3 (en) 1985-08-28
EP0104929B1 (de) 1990-12-12
EP0104928A3 (en) 1985-09-11
CA1217554A (en) 1987-02-03
ES525958A0 (es) 1984-12-16
JPH074362B2 (ja) 1995-01-25
EP0104928A2 (de) 1984-04-04
CA1213355A (en) 1986-10-28
JPS59131335A (ja) 1984-07-28
JPH0817776B2 (ja) 1996-02-28
DE3381056D1 (de) 1990-02-08
AU1958883A (en) 1984-04-05
EP0104929A2 (de) 1984-04-04
US4534221A (en) 1985-08-13
JPH0515120B2 (de) 1993-02-26
AU572795B2 (en) 1988-05-19
EP0104928B1 (de) 1990-01-03
ES8501975A1 (es) 1984-12-16
AU569848B2 (en) 1988-02-25
JPH07136166A (ja) 1995-05-30
JPH0696004B2 (ja) 1994-11-30
JPH06189955A (ja) 1994-07-12
JPS5980098A (ja) 1984-05-09
HK76291A (en) 1991-10-04
HK38390A (en) 1990-05-25
ES8501974A1 (es) 1984-12-16
ES525959A0 (es) 1984-12-16
AU1959483A (en) 1984-04-05

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