CH558944A - METHOD AND DEVICE FOR REDUCING THE SIDE MAXIMUM IN ULTRASONIC SOUNDING METHOD. - Google Patents

METHOD AND DEVICE FOR REDUCING THE SIDE MAXIMUM IN ULTRASONIC SOUNDING METHOD.

Info

Publication number
CH558944A
CH558944A CH1722272A CH1722272A CH558944A CH 558944 A CH558944 A CH 558944A CH 1722272 A CH1722272 A CH 1722272A CH 1722272 A CH1722272 A CH 1722272A CH 558944 A CH558944 A CH 558944A
Authority
CH
Switzerland
Prior art keywords
reducing
side maximum
ultrasonic sounding
ultrasonic
sounding method
Prior art date
Application number
CH1722272A
Other languages
German (de)
Original Assignee
Hoffmann La Roche
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
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Priority to CH1722272A priority Critical patent/CH558944A/en
Priority to DE2351352A priority patent/DE2351352C3/en
Priority to DD174567A priority patent/DD109267A5/xx
Priority to GB5367173A priority patent/GB1413740A/en
Priority to CA186,334A priority patent/CA998161A/en
Priority to NL7316000.A priority patent/NL161585C/en
Priority to FR7341992A priority patent/FR2208122B1/fr
Priority to DK637073AA priority patent/DK138863B/en
Priority to JP13299173A priority patent/JPS537815B2/ja
Publication of CH558944A publication Critical patent/CH558944A/en
Priority to US05/771,220 priority patent/US4079352A/en

Links

Classifications

    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver
    • 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
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (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)
  • Transducers For Ultrasonic Waves (AREA)
CH1722272A 1972-11-27 1972-11-27 METHOD AND DEVICE FOR REDUCING THE SIDE MAXIMUM IN ULTRASONIC SOUNDING METHOD. CH558944A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
CH1722272A CH558944A (en) 1972-11-27 1972-11-27 METHOD AND DEVICE FOR REDUCING THE SIDE MAXIMUM IN ULTRASONIC SOUNDING METHOD.
DE2351352A DE2351352C3 (en) 1972-11-27 1973-10-12 Method and device for reducing the echo from reflectors lying outside the focal line in an ultrasonic echo sounder method
DD174567A DD109267A5 (en) 1972-11-27 1973-11-06
GB5367173A GB1413740A (en) 1972-11-27 1973-11-19 Method of reducing the amplitude of spurious echoes in ultrasonic echo sounding
CA186,334A CA998161A (en) 1972-11-27 1973-11-21 Method and apparatus for reducing the lateral maxima in ultrasonic echosounding methods
NL7316000.A NL161585C (en) 1972-11-27 1973-11-22 METHOD FOR REDUCING THE SIDE MAXIMA IN THE ULTRASONIC ECHOLOOD METHOD AND APPARATUS FOR CARRYING OUT THIS METHOD
FR7341992A FR2208122B1 (en) 1972-11-27 1973-11-26
DK637073AA DK138863B (en) 1972-11-27 1973-11-26 Method and apparatus for reducing side echoes by ultrasonic sonar methods.
JP13299173A JPS537815B2 (en) 1972-11-27 1973-11-27
US05/771,220 US4079352A (en) 1972-11-27 1977-02-23 Echo sounding technique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1722272A CH558944A (en) 1972-11-27 1972-11-27 METHOD AND DEVICE FOR REDUCING THE SIDE MAXIMUM IN ULTRASONIC SOUNDING METHOD.

Publications (1)

Publication Number Publication Date
CH558944A true CH558944A (en) 1975-02-14

Family

ID=4423717

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1722272A CH558944A (en) 1972-11-27 1972-11-27 METHOD AND DEVICE FOR REDUCING THE SIDE MAXIMUM IN ULTRASONIC SOUNDING METHOD.

Country Status (9)

Country Link
JP (1) JPS537815B2 (en)
CA (1) CA998161A (en)
CH (1) CH558944A (en)
DD (1) DD109267A5 (en)
DE (1) DE2351352C3 (en)
DK (1) DK138863B (en)
FR (1) FR2208122B1 (en)
GB (1) GB1413740A (en)
NL (1) NL161585C (en)

Also Published As

Publication number Publication date
DE2351352A1 (en) 1974-05-30
DD109267A5 (en) 1974-10-20
DK138863C (en) 1979-04-17
FR2208122B1 (en) 1978-03-10
NL161585B (en) 1979-09-17
GB1413740A (en) 1975-11-12
DK138863B (en) 1978-11-06
DE2351352C3 (en) 1978-12-07
DE2351352B2 (en) 1978-04-13
CA998161A (en) 1976-10-05
JPS537815B2 (en) 1978-03-22
NL7316000A (en) 1974-05-29
JPS501767A (en) 1975-01-09
NL161585C (en) 1980-02-15
FR2208122A1 (en) 1974-06-21

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Legal Events

Date Code Title Description
PL Patent ceased