JP4675444B2 - トランスデューサを多重化する装置及び方法 - Google Patents

トランスデューサを多重化する装置及び方法 Download PDF

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Publication number
JP4675444B2
JP4675444B2 JP34973199A JP34973199A JP4675444B2 JP 4675444 B2 JP4675444 B2 JP 4675444B2 JP 34973199 A JP34973199 A JP 34973199A JP 34973199 A JP34973199 A JP 34973199A JP 4675444 B2 JP4675444 B2 JP 4675444B2
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Japan
Prior art keywords
channel
beamformer
transducer
aperture
transducer elements
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Expired - Lifetime
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JP34973199A
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Japanese (ja)
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JP2000217822A5 (https=
JP2000217822A (ja
Inventor
ダグラス・グレン・ワイルズ
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General Electric Co
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General Electric Co
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    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP34973199A 1999-02-01 1999-12-09 トランスデューサを多重化する装置及び方法 Expired - Lifetime JP4675444B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/241,670 US6183419B1 (en) 1999-02-01 1999-02-01 Multiplexed array transducers with improved far-field performance
US09/241670 1999-02-01

Publications (3)

Publication Number Publication Date
JP2000217822A JP2000217822A (ja) 2000-08-08
JP2000217822A5 JP2000217822A5 (https=) 2009-07-09
JP4675444B2 true JP4675444B2 (ja) 2011-04-20

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JP34973199A Expired - Lifetime JP4675444B2 (ja) 1999-02-01 1999-12-09 トランスデューサを多重化する装置及び方法

Country Status (4)

Country Link
US (1) US6183419B1 (https=)
EP (1) EP1026663B1 (https=)
JP (1) JP4675444B2 (https=)
IL (1) IL133372A (https=)

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Also Published As

Publication number Publication date
EP1026663A2 (en) 2000-08-09
US6183419B1 (en) 2001-02-06
IL133372A (en) 2003-12-10
IL133372A0 (en) 2001-04-30
EP1026663A3 (en) 2004-10-27
JP2000217822A (ja) 2000-08-08
EP1026663B1 (en) 2011-06-01

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