DK174376A - Fremgangsmade og apparat til formindskelse af sidemaksima ved ekkolod - Google Patents

Fremgangsmade og apparat til formindskelse af sidemaksima ved ekkolod

Info

Publication number: DK174376A
Authority: DK; Denmark
Prior art keywords: echo; reducing side; side maximum; maximum; reducing
Prior art date: 1975-04-18

Application number

DK174376A

Other languages

English (en)

Other versions

DK147245B (da

DK147245C (da

Inventor

C B Burckhardt

P-A Grandchamp

H Hoffmann

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.)

1975-04-18

Filing date

1976-04-14

Publication date

1976-10-19

1976-04-14 Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche

1976-10-19 Publication of DK174376A publication Critical patent/DK174376A/da

1984-05-21 Publication of DK147245B publication Critical patent/DK147245B/da

1984-10-29 Application granted granted Critical

1984-10-29 Publication of DK147245C publication Critical patent/DK147245C/da

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)
Ultra Sonic Daignosis Equipment (AREA)
Surgical Instruments (AREA)

DK174376A 1975-04-18 1976-04-14 Fremgangsmaade og apparat til formindskelse af sidemaksima ved ekkolod DK147245C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH498875A CH590483A5 (da)	1975-04-18	1975-04-18
CH498875		1975-04-18

Publications (3)

Publication Number	Publication Date
DK174376A true DK174376A (da)	1976-10-19
DK147245B DK147245B (da)	1984-05-21
DK147245C DK147245C (da)	1984-10-29

Family

ID=4285999

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK174376A DK147245C (da)	1975-04-18	1976-04-14	Fremgangsmaade og apparat til formindskelse af sidemaksima ved ekkolod

Country Status (12)

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

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
EP0068961A3 (fr) *	1981-06-26	1983-02-02	Thomson-Csf	Dispositif d'échauffement localisé de tissus biologiques
FR2508324A1 (fr) *	1981-06-26	1982-12-31	Thomson Csf	Dispositif d'echauffement localise de tissus biologiques
FR2523451A2 (fr) *	1982-03-19	1983-09-23	Thomson Csf	Dispositif d'echauffement localise 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

1975
- 1975-04-18 CH CH498875A patent/CH590483A5/xx not_active IP Right Cessation
1976
- 1976-02-17 GB GB6251/76A patent/GB1511451A/en not_active Expired
- 1976-02-17 IT IT20261/76A patent/IT1055317B/it active
- 1976-02-18 CA CA245,998A patent/CA1062360A/en not_active Expired
- 1976-02-27 SE SE7602848A patent/SE7602848L/xx unknown
- 1976-03-09 NL NLAANVRAGE7602466,A patent/NL171203C/xx not_active IP Right Cessation
- 1976-04-07 US US05/674,465 patent/US4069467A/en not_active Expired - Lifetime
- 1976-04-09 JP JP51040214A patent/JPS51128288A/ja active Granted
- 1976-04-12 DE DE2615973A patent/DE2615973C3/de not_active Expired
- 1976-04-14 DK DK174376A patent/DK147245C/da not_active IP Right Cessation
- 1976-04-15 FR FR7611196A patent/FR2308108A1/fr active Granted
- 1976-04-19 DD DD192423A patent/DD125877A5/xx unknown

Also Published As

Publication number	Publication date
IT1055317B (it)	1981-12-21
FR2308108B1 (da)	1980-04-30
SE7602848L (sv)	1976-10-19
DK147245B (da)	1984-05-21
DE2615973B2 (de)	1977-10-06
NL171203B (nl)	1982-09-16
JPS5623357B2 (da)	1981-05-30
DK147245C (da)	1984-10-29
NL171203C (nl)	1983-02-16
GB1511451A (en)	1978-05-17
FR2308108A1 (fr)	1976-11-12
DD125877A5 (da)	1977-05-25
CH590483A5 (da)	1977-08-15
DE2615973C3 (de)	1978-05-24
CA1062360A (en)	1979-09-11
DE2615973A1 (de)	1976-10-21
US4069467A (en)	1978-01-17
NL7602466A (nl)	1976-10-20
JPS51128288A (en)	1976-11-09

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Legal Events

Date	Code	Title	Description
1988-12-19	PBP	Patent lapsed