DK545879A - VARIABLE AND SELECTABLE DELAY SYSTEMS - Google Patents

VARIABLE AND SELECTABLE DELAY SYSTEMS

Info

Publication number
DK545879A
DK545879A DK545879A DK545879A DK545879A DK 545879 A DK545879 A DK 545879A DK 545879 A DK545879 A DK 545879A DK 545879 A DK545879 A DK 545879A DK 545879 A DK545879 A DK 545879A
Authority
DK
Denmark
Prior art keywords
variable
selectable delay
delay systems
systems
selectable
Prior art date
Application number
DK545879A
Other languages
Danish (da)
Inventor
W E Glenn
Original Assignee
New York Inst Techn
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 US06/000,430 external-priority patent/US4223560A/en
Priority claimed from US06/000,429 external-priority patent/US4257271A/en
Application filed by New York Inst Techn filed Critical New York Inst Techn
Publication of DK545879A publication Critical patent/DK545879A/en

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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Multimedia (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (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)
DK545879A 1979-01-02 1979-12-20 VARIABLE AND SELECTABLE DELAY SYSTEMS DK545879A (en)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
DK545879A true DK545879A (en) 1980-07-03

Family

ID=32965857

Family Applications (1)

Application Number Title Priority Date Filing Date
DK545879A DK545879A (en) 1979-01-02 1979-12-20 VARIABLE AND SELECTABLE DELAY SYSTEMS

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
AU5339179A (en) 1980-07-10
AU2194483A (en) 1984-04-05
EP0013029A1 (en) 1980-07-09
AU532956B2 (en) 1983-10-20
CA1137211A (en) 1982-12-07
FI793917A (en) 1980-07-03

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment