AU2194483A - Variable and selectable delay system - Google Patents

Variable and selectable delay system

Info

Publication number
AU2194483A
AU2194483A AU21944/83A AU2194483A AU2194483A AU 2194483 A AU2194483 A AU 2194483A AU 21944/83 A AU21944/83 A AU 21944/83A AU 2194483 A AU2194483 A AU 2194483A AU 2194483 A AU2194483 A AU 2194483A
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.)
Abandoned
Application number
AU21944/83A
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 to US06/000,429 priority Critical patent/US4257271A/en
Priority claimed from US06/000,430 external-priority patent/US4223560A/en
Priority to AU53391/79A priority patent/AU532956B2/en
Priority to FI793917A priority patent/FI793917A/en
Priority to DK545879A priority patent/DK545879A/en
Priority to EP79105389A priority patent/EP0013029A1/en
Priority to CA000342835A priority patent/CA1137211A/en
Priority to CA000397143A priority patent/CA1145448A/en
Priority to AU21944/83A priority patent/AU2194483A/en
Application filed by New York Institute of Technology filed Critical New York Institute of Technology
Publication of AU2194483A publication Critical patent/AU2194483A/en
Abandoned 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
AU21944/83A 1979-01-02 1983-12-02 Variable and selectable delay system Abandoned AU2194483A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US06/000,429 US4257271A (en) 1979-01-02 1979-01-02 Selectable delay system
AU53391/79A AU532956B2 (en) 1979-01-02 1979-12-03 Variable and selectable delay system
FI793917A FI793917A (en) 1979-01-02 1979-12-14 REGLERBART OCH VALBART FOERDROEJNINGSSYSTEM
DK545879A DK545879A (en) 1979-01-02 1979-12-20 VARIABLE AND SELECTABLE DELAY SYSTEMS
EP79105389A EP0013029A1 (en) 1979-01-02 1979-12-27 Device for adjustably focussing transmitted and/or received sound radiation
CA000342835A CA1137211A (en) 1979-01-02 1979-12-31 Variable delay system
CA000397143A CA1145448A (en) 1979-01-02 1982-02-25 Selectable delay system
AU21944/83A AU2194483A (en) 1979-01-02 1983-12-02 Variable and selectable delay system

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
US06/000,430 US4223560A (en) 1979-01-02 1979-01-02 Variable delay system
US000429 1979-01-02
US000430 1979-01-02
AU21944/83A AU2194483A (en) 1979-01-02 1983-12-02 Variable and selectable delay system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU53391/79A Division AU532956B2 (en) 1979-01-02 1979-12-03 Variable and selectable delay system

Publications (1)

Publication Number Publication Date
AU2194483A true AU2194483A (en) 1984-04-05

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 Before (1)

Application Number Title Priority Date Filing Date
AU53391/79A Ceased AU532956B2 (en) 1979-01-02 1979-12-03 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
CA1137211A (en) 1982-12-07
AU532956B2 (en) 1983-10-20
DK545879A (en) 1980-07-03
EP0013029A1 (en) 1980-07-09
AU5339179A (en) 1980-07-10

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