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IT1055317B - Procedimento per la diminuzione deimassimi secondari nel metodo del l ecoscandaglio ad ultrasuoni e relativo dispositivo - Google Patents

Procedimento per la diminuzione deimassimi secondari nel metodo del l ecoscandaglio ad ultrasuoni e relativo dispositivo

Info

Publication number
IT1055317B
IT1055317B IT20261/76A IT2026176A IT1055317B IT 1055317 B IT1055317 B IT 1055317B IT 20261/76 A IT20261/76 A IT 20261/76A IT 2026176 A IT2026176 A IT 2026176A IT 1055317 B IT1055317 B IT 1055317B
Authority
IT
Italy
Prior art keywords
decrease
procedure
related device
ultrasonic sounder
secondary maximums
Prior art date
Application number
IT20261/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1055317B publication Critical patent/IT1055317B/it

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
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/905—Side lobe reduction or shading

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Surgical Instruments (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
IT20261/76A 1975-04-18 1976-02-17 Procedimento per la diminuzione deimassimi secondari nel metodo del l ecoscandaglio ad ultrasuoni e relativo dispositivo IT1055317B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH498875A CH590483A5 (it) 1975-04-18 1975-04-18

Publications (1)

Publication Number Publication Date
IT1055317B true IT1055317B (it) 1981-12-21

Family

ID=4285999

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20261/76A IT1055317B (it) 1975-04-18 1976-02-17 Procedimento per la diminuzione deimassimi secondari nel metodo del l ecoscandaglio ad ultrasuoni e relativo dispositivo

Country Status (12)

Country Link
US (1) US4069467A (it)
JP (1) JPS51128288A (it)
CA (1) CA1062360A (it)
CH (1) CH590483A5 (it)
DD (1) DD125877A5 (it)
DE (1) DE2615973C3 (it)
DK (1) DK147245C (it)
FR (1) FR2308108A1 (it)
GB (1) GB1511451A (it)
IT (1) IT1055317B (it)
NL (1) NL171203C (it)
SE (1) SE7602848L (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2095951A (en) * 1981-02-19 1982-10-06 Nat Res Dev Transducers of improved resolution and systems for the transmission and reception of radiation
FR2523451A2 (fr) * 1982-03-19 1983-09-23 Thomson Csf Dispositif d'echauffement localise de tissus biologiques
FR2508324A1 (fr) * 1981-06-26 1982-12-31 Thomson Csf Dispositif d'echauffement localise de tissus biologiques
EP0068961A3 (fr) * 1981-06-26 1983-02-02 Thomson-Csf Dispositif d'échauffement localisé de tissus biologiques
US4625828A (en) * 1985-09-09 1986-12-02 The Boeing Company Acoustic reflector for ground plane microphone
HU224572B1 (hu) 2002-11-05 2005-11-28 Khaled Awad Saleh Nashwan Készülék érrendszeri megbetegedésben szenvedők infra-, hallható- és ultrahang hullámok kombinációjával való kezelésére
KR101935375B1 (ko) * 2016-02-01 2019-01-07 서강대학교산학협력단 Ｈｉｆｕ와 초음파 영상을 위한 초음파 치료 장치 및 그 제어 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836948A (en) * 1972-02-11 1974-09-17 Hoffmann La Roche Echo sounding technique
US3918024A (en) * 1974-06-24 1975-11-04 Albert Macovski Ultrasonic array for reflection imaging

Also Published As

Publication number Publication date
FR2308108B1 (it) 1980-04-30
SE7602848L (sv) 1976-10-19
CA1062360A (en) 1979-09-11
CH590483A5 (it) 1977-08-15
DE2615973B2 (de) 1977-10-06
DK174376A (da) 1976-10-19
DE2615973A1 (de) 1976-10-21
NL171203B (nl) 1982-09-16
GB1511451A (en) 1978-05-17
US4069467A (en) 1978-01-17
JPS51128288A (en) 1976-11-09
NL171203C (nl) 1983-02-16
DK147245C (da) 1984-10-29
NL7602466A (nl) 1976-10-20
DK147245B (da) 1984-05-21
DD125877A5 (it) 1977-05-25
DE2615973C3 (de) 1978-05-24
JPS5623357B2 (it) 1981-05-30
FR2308108A1 (fr) 1976-11-12

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