AU532956B2 - Variable and selectable delay system - Google Patents

Variable and selectable delay system

Info

Publication number
AU532956B2
AU532956B2 AU53391/79A AU5339179A AU532956B2 AU 532956 B2 AU532956 B2 AU 532956B2 AU 53391/79 A AU53391/79 A AU 53391/79A AU 5339179 A AU5339179 A AU 5339179A AU 532956 B2 AU532956 B2 AU 532956B2
Authority
AU
Australia
Prior art keywords
variable
delay system
selectable delay
selectable
delay
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.)
Ceased
Application number
AU53391/79A
Other versions
AU5339179A (en
Inventor
William E. Glenn
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.)
New York Institute of Technology
Original Assignee
New York Institute of Technology
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
Priority claimed from US06/000,429 external-priority patent/US4257271A/en
Priority claimed from US06/000,430 external-priority patent/US4223560A/en
Application filed by New York Institute of Technology filed Critical New York Institute of Technology
Publication of AU5339179A publication Critical patent/AU5339179A/en
Application granted granted Critical
Publication of AU532956B2 publication Critical patent/AU532956B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • 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
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8931—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration co-operating with moving reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Multimedia (AREA)
  • Automation & Control Theory (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
AU53391/79A 1979-01-02 1979-12-03 Variable and selectable delay system Ceased AU532956B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US06/000,429 US4257271A (en) 1979-01-02 1979-01-02 Selectable delay system
US000430 1979-01-02
US000429 1979-01-02
US06/000,430 US4223560A (en) 1979-01-02 1979-01-02 Variable delay system
AU21944/83A AU2194483A (en) 1979-01-02 1983-12-02 Variable and selectable delay system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU21944/83A Division AU2194483A (en) 1979-01-02 1983-12-02 Variable and selectable delay system

Publications (2)

Publication Number Publication Date
AU5339179A AU5339179A (en) 1980-07-10
AU532956B2 true AU532956B2 (en) 1983-10-20

Family

ID=32965857

Family Applications (2)

Application Number Title Priority Date Filing Date
AU53391/79A Ceased AU532956B2 (en) 1979-01-02 1979-12-03 Variable and selectable delay system
AU21944/83A Abandoned AU2194483A (en) 1979-01-02 1983-12-02 Variable and selectable delay system

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU21944/83A Abandoned AU2194483A (en) 1979-01-02 1983-12-02 Variable and selectable delay system

Country Status (5)

Country Link
EP (1) EP0013029A1 (en)
AU (2) AU532956B2 (en)
CA (1) CA1137211A (en)
DK (1) DK545879A (en)
FI (1) FI793917A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8006718A (en) * 1980-12-11 1982-07-01 Philips Nv DEVICE FOR FORMING AN IMAGE USING ULTRAZONE BUNDLES.
US4550607A (en) * 1984-05-07 1985-11-05 Acuson Phased array acoustic imaging system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2406340A (en) * 1939-10-12 1946-08-27 Submarine Signal Co Electric compensator
US4005382A (en) * 1975-08-07 1977-01-25 Varian Associates Signal processor for ultrasonic imaging
US4084582A (en) * 1976-03-11 1978-04-18 New York Institute Of Technology Ultrasonic imaging system
US4116229A (en) * 1976-08-30 1978-09-26 Hewlett-Packard Company Acoustic imaging apparatus
FI62950C (en) * 1978-03-27 1983-04-11 New York Inst Techn UNDERSOEKNINGSMODUL TILL EN ULTRALJUDSAVBILDNINGSANORDNING

Also Published As

Publication number Publication date
FI793917A (en) 1980-07-03
EP0013029A1 (en) 1980-07-09
DK545879A (en) 1980-07-03
AU2194483A (en) 1984-04-05
AU5339179A (en) 1980-07-10
CA1137211A (en) 1982-12-07

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