FI881503A - AVBILDNINGSFOERFARANDE. - Google Patents

AVBILDNINGSFOERFARANDE. Download PDF

Info

Publication number
FI881503A
FI881503A FI881503A FI881503A FI881503A FI 881503 A FI881503 A FI 881503A FI 881503 A FI881503 A FI 881503A FI 881503 A FI881503 A FI 881503A FI 881503 A FI881503 A FI 881503A
Authority
FI
Finland
Prior art keywords
avbildningsfoerfarande
Prior art date
Application number
FI881503A
Other languages
Finnish (fi)
Other versions
FI881503A0 (en
FI81205C (en
FI81205B (en
Inventor
Qin Zhengdi
Esko Alasaarela
John Koivukangas
Original Assignee
Ylitalo Juha
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 Ylitalo Juha filed Critical Ylitalo Juha
Priority to FI881503A priority Critical patent/FI81205C/en
Publication of FI881503A0 publication Critical patent/FI881503A0/en
Priority to PCT/FI1989/000058 priority patent/WO1989009399A1/en
Publication of FI881503A publication Critical patent/FI881503A/en
Application granted granted Critical
Publication of FI81205B publication Critical patent/FI81205B/en
Publication of FI81205C publication Critical patent/FI81205C/en

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
    • G01S15/892—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being curvilinear
    • 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
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/53—Means for transforming coordinates or for evaluating data, e.g. using computers

Landscapes

  • 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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Holo Graphy (AREA)
FI881503A 1988-03-30 1988-03-30 imaging method FI81205C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI881503A FI81205C (en) 1988-03-30 1988-03-30 imaging method
PCT/FI1989/000058 WO1989009399A1 (en) 1988-03-30 1989-03-30 An imaging method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI881503A FI81205C (en) 1988-03-30 1988-03-30 imaging method
FI881503 1988-03-30

Publications (4)

Publication Number Publication Date
FI881503A0 FI881503A0 (en) 1988-03-30
FI881503A true FI881503A (en) 1989-10-01
FI81205B FI81205B (en) 1990-05-31
FI81205C FI81205C (en) 1990-09-10

Family

ID=8526186

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881503A FI81205C (en) 1988-03-30 1988-03-30 imaging method

Country Status (2)

Country Link
FI (1) FI81205C (en)
WO (1) WO1989009399A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111189930B (en) * 2020-02-07 2022-07-19 哈尔滨工业大学（威海） Crack detection method, system and equipment based on pipe body and storage medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4582065A (en) * 1984-06-28 1986-04-15 Picker International, Inc. Ultrasonic step scanning utilizing unequally spaced curvilinear transducer array
DE3585218D1 (en) * 1984-11-09 1992-02-27 Matsushita Electric Ind Co Ltd ULTRASONIC IMAGING SYSTEM FOR THE SIMULTANEOUS DISPLAY OF SECTOR SCANNED MULTIPLE IMAGES.
US4844083A (en) * 1985-09-26 1989-07-04 Kabushiki Kaisha Toshiba Ultrasonic imaging apparatus

Also Published As

Publication number Publication date
WO1989009399A1 (en) 1989-10-05
FI881503A0 (en) 1988-03-30
FI81205C (en) 1990-09-10
FI81205B (en) 1990-05-31

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: YLITALO, JUHA