DK545879A - VARIABLE AND SELECTABLE DELAY SYSTEMS - Google Patents

VARIABLE AND SELECTABLE DELAY SYSTEMS

Info

Publication number: DK545879A
Authority: DK; Denmark
Prior art keywords: variable; selectable delay; delay systems; systems; selectable
Prior art date: 1979-01-02

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.)

1979-01-02

Filing date

1979-12-20

Publication date

1980-07-03

1979-01-02 Priority claimed from US06/000,430 external-priority patent/US4223560A/en

1979-01-02 Priority claimed from US06/000,429 external-priority patent/US4257271A/en

1979-12-20 Application filed by New York Inst Techn filed Critical New York Inst Techn

1980-07-03 Publication of DK545879A publication Critical patent/DK545879A/en

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)
Automation & Control Theory (AREA)
Multimedia (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

1979
- 1979-12-03 AU AU53391/79A patent/AU532956B2/en not_active Ceased
- 1979-12-14 FI FI793917A patent/FI793917A/en not_active Application Discontinuation
- 1979-12-20 DK DK545879A patent/DK545879A/en not_active Application Discontinuation
- 1979-12-27 EP EP79105389A patent/EP0013029A1/en not_active Ceased
- 1979-12-31 CA CA000342835A patent/CA1137211A/en not_active Expired
1983
- 1983-12-02 AU AU21944/83A patent/AU2194483A/en not_active Abandoned

Also Published As

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

Publication	Publication Date	Title
TR21804A (en)	1985-07-19	ZIRAI UERELER AND IZOUERELER
ZA772819B (en)	1978-07-26	4-amino-4-arylcyclohexanones and their ketals
GB1551647A (en)	1979-08-30	Heat and moisture transfering systems
DK401583A (en)	1984-03-04	PARENCYMAL CELL-CELLULOSE AND RELATED MATERIALS
JPS56168419A (en)	1981-12-24	Variable attenuator
IL58829A (en)	1983-09-30	Variable and selectable delay system
DK445082A (en)	1983-04-10	TERNAIR ADHESIVES AND SYSTEMS
DK421480A (en)	1981-04-13	METHODS AND FIREPLACEMENT PLACES
IT1193576B (en)	1988-07-08	17ALPHA-ACYLOXY-5BETA-CORTICOID AND 17ALPHA-ACYLOXY-5ALPHA-CORTICOID
NO803713L (en)	1982-06-01	Bensement and its use.
IT1142142B (en)	1986-10-08	5ALFA-ANDROSTAN-17BETA-CARBOXYLATE AND 5BETA-ANDROSTAN-17BETA-CARBOXYLATE
DK545879A (en)	1980-07-03	VARIABLE AND SELECTABLE DELAY SYSTEMS
JPS55145716A (en)	1980-11-13	Polyene*alphaaolefin copolymer and its manufacture
IT7830071A0 (en)	1978-11-22	2-ADAMANTIL HYDRAZINES AND COMPOSITIONS THAT CONTAIN THEM.
TR19281A (en)	1978-10-27	FUNGISID AND NEMATOSID SUBSTANCES
JPS56131217A (en)	1981-10-14	Variable attenuator
ES252031Y (en)	1981-04-16	VARIABLE RESISTOR
IT1188900B (en)	1988-01-28	N- (-DIALKYL) -PHENYLACETAMIDES AND HERBICIDES THAT CONTAIN THEM
TR21823A (en)	1985-08-02	BASIC ATESE-RESISTANT CIMENTOL MATERIAL AND ITS COMPONENT COMPONENTS
DK571277A (en)	1978-06-23	HAEGTE FOR LINNINGS AND THE LIKE
NL188098C (en)	1992-04-01	COPOLYMERS OF ETHERIMIDS AND AMIDES.
JPS534891A (en)	1978-01-17	Heattsensing element and application thereof
JPS52140251A (en)	1977-11-22	Variable attenuator
DK476878A (en)	1979-04-28	THERMOPLASTIC MASS AND ITS APPLICATION
SE8103181L (en)	1982-11-21	ARMY AND ARMY WAVE

Legal Events

Date	Code	Title	Description
1986-09-15	AHB	Application shelved due to non-payment