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 US06/000,429 external-priority patent/US4257271A/en
Priority claimed from US06/000,430 external-priority patent/US4223560A/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
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
US06/000,429 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
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
AU2194483A (en) 1984-04-05
FI793917A (en) 1980-07-03
CA1137211A (en) 1982-12-07
AU532956B2 (en) 1983-10-20
EP0013029A1 (en) 1980-07-09
AU5339179A (en) 1980-07-10

Similar Documents

Publication Publication Date Title
TR21804A (en) ZIRAI UERELER AND IZOUERELER
ZA772819B (en) 4-amino-4-arylcyclohexanones and their ketals
GB1551647A (en) Heat and moisture transfering systems
DK401583A (en) PARENCYMAL CELL-CELLULOSE AND RELATED MATERIALS
JPS56168419A (en) Variable attenuator
NL190093B (en) COMPRESSING AND EXPANDING SYSTEM.
IL58829A (en) Variable and selectable delay system
DK445082A (en) TERNAIR ADHESIVES AND SYSTEMS
DK421480A (en) METHODS AND FIREPLACEMENT PLACES
DK373480A (en) DEVICE FOR THE ARRANGEMENTS AND THE LIKE
NO803713L (en) Bensement and its use.
IT1142142B (en) 5ALFA-ANDROSTAN-17BETA-CARBOXYLATE AND 5BETA-ANDROSTAN-17BETA-CARBOXYLATE
DK545879A (en) VARIABLE AND SELECTABLE DELAY SYSTEMS
JPS55145716A (en) Polyene*alphaaolefin copolymer and its manufacture
IT7830071A0 (en) 2-ADAMANTIL HYDRAZINES AND COMPOSITIONS THAT CONTAIN THEM.
TR19281A (en) FUNGISID AND NEMATOSID SUBSTANCES
JPS56131217A (en) Variable attenuator
TR19891A (en) INSECTIVE AND AKARISID SUBSTANCES
ES252031Y (en) VARIABLE RESISTOR
IT1188900B (en) N- (-DIALKYL) -PHENYLACETAMIDES AND HERBICIDES THAT CONTAIN THEM
TR21823A (en) BASIC ATESE-RESISTANT CIMENTOL MATERIAL AND ITS COMPONENT COMPONENTS
DK571277A (en) HAEGTE FOR LINNINGS AND THE LIKE
NL188098C (en) COPOLYMERS OF ETHERIMIDS AND AMIDES.
JPS52140251A (en) Variable attenuator
DK476878A (en) THERMOPLASTIC MASS AND ITS APPLICATION

Legal Events

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