DE3269968D1 - Arc scan ultrasonic imaging system having diverging lens and path-length compensator - Google Patents

Arc scan ultrasonic imaging system having diverging lens and path-length compensator

Info

Publication number
DE3269968D1
DE3269968D1 DE8282303548T DE3269968T DE3269968D1 DE 3269968 D1 DE3269968 D1 DE 3269968D1 DE 8282303548 T DE8282303548 T DE 8282303548T DE 3269968 T DE3269968 T DE 3269968T DE 3269968 D1 DE3269968 D1 DE 3269968D1
Authority
DE
Germany
Prior art keywords
path
imaging system
ultrasonic imaging
diverging lens
length compensator
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
DE8282303548T
Other languages
English (en)
Inventor
Yoshihiro Hayakawa
Hiroshi Fukukita
Tsutomu Yano
Akira Fukumoto
Ryobun Tachita
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3269968D1 publication Critical patent/DE3269968D1/de
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
    • 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
    • G01S7/52023—Details of receivers
    • G01S7/52033—Gain control of receivers
    • 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
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
    • 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)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE8282303548T 1981-07-07 1982-07-06 Arc scan ultrasonic imaging system having diverging lens and path-length compensator Expired DE3269968D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56106802A JPS587231A (ja) 1981-07-07 1981-07-07 超音波診断装置

Publications (1)

Publication Number Publication Date
DE3269968D1 true DE3269968D1 (en) 1986-04-24

Family

ID=14442994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282303548T Expired DE3269968D1 (en) 1981-07-07 1982-07-06 Arc scan ultrasonic imaging system having diverging lens and path-length compensator

Country Status (3)

Country Link
EP (1) EP0070139B1 (de)
JP (1) JPS587231A (de)
DE (1) DE3269968D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596269A1 (fr) * 1986-03-28 1987-10-02 Labo Electronique Physique Echographe ultrasonore apodise a barrette lineaire de transducteurs piezoelectriques et procede de realisation d'une telle barrette
EP0239999B1 (de) * 1986-04-02 1993-10-13 Matsushita Electric Industrial Co., Ltd. Ultraschallwandler mit einem Ultraschallfortpflanzungsmedium
FR2628265B1 (fr) * 1987-03-06 1990-12-21 Thomson Csf Antenne directive a transducteurs multiples notamment pour sonar
JPS63220847A (ja) * 1987-03-10 1988-09-14 松下電器産業株式会社 超音波探触子
FR2650144B1 (fr) * 1989-07-19 1991-09-27 Commissariat Energie Atomique Traducteur ultrasonore focalise
GB9102585D0 (en) * 1991-02-06 1991-03-27 Marconi Gec Ltd Radar system
FR2686457B1 (fr) * 1992-01-17 1994-05-20 Thomson Csf Antenne a balayage electronique.
US9567846B2 (en) * 2014-01-09 2017-02-14 Baker Hughes Incorporated Devices and methods for downhole acoustic imaging
CN113295777B (zh) * 2021-04-07 2023-04-28 聚融医疗科技(杭州)有限公司 一种基于透镜回波的提升谐波成像性能的方法及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140107A (en) * 1972-12-28 1979-02-20 Erasmus University Rotterdam Echoscope for examination of objects
US4183249A (en) * 1975-03-07 1980-01-15 Varian Associates, Inc. Lens system for acoustical imaging
US4043181A (en) * 1975-04-18 1977-08-23 New York Institute Of Technology Ultrasonic pulse-echo apparatus
USRE30443E (en) * 1977-04-25 1980-12-09 Krautkramer-Branson, Incorporated Real-time ultrasonic imaging apparatus
US4180790A (en) * 1977-12-27 1979-12-25 General Electric Company Dynamic array aperture and focus control for ultrasonic imaging systems
US4180791A (en) * 1978-03-09 1979-12-25 General Electric Company Simplified sector scan ultrasonic imaging system
JPS54155683A (en) * 1978-05-30 1979-12-07 Matsushita Electric Ind Co Ltd Electronic scanning system ultrasoniccwave tomooinspection device
US4281550A (en) * 1979-12-17 1981-08-04 North American Philips Corporation Curved array of sequenced ultrasound transducers
JPS5711648A (en) * 1980-06-27 1982-01-21 Matsushita Electric Ind Co Ltd Ultrasonic probe
JPS57209044A (en) * 1981-06-19 1982-12-22 Olympus Optical Co Ultrasonic diagnostic apparatus for body cavity

Also Published As

Publication number Publication date
JPS649012B2 (de) 1989-02-16
EP0070139B1 (de) 1986-03-19
EP0070139A1 (de) 1983-01-19
JPS587231A (ja) 1983-01-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition