FR2168538B3 - - Google Patents
Info
- Publication number
- FR2168538B3 FR2168538B3 FR7301914A FR7301914A FR2168538B3 FR 2168538 B3 FR2168538 B3 FR 2168538B3 FR 7301914 A FR7301914 A FR 7301914A FR 7301914 A FR7301914 A FR 7301914A FR 2168538 B3 FR2168538 B3 FR 2168538B3
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
- B06B1/0625—Annular array
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722202989 DE2202989A1 (de) | 1972-01-21 | 1972-01-21 | Fokussierter ultraschallwandler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2168538A1 FR2168538A1 (US06174465-20010116-C00003.png) | 1973-08-31 |
| FR2168538B3 true FR2168538B3 (US06174465-20010116-C00003.png) | 1976-01-23 |
Family
ID=5833703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7301914A Expired FR2168538B3 (US06174465-20010116-C00003.png) | 1972-01-21 | 1973-01-19 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH545575A (US06174465-20010116-C00003.png) |
| DE (1) | DE2202989A1 (US06174465-20010116-C00003.png) |
| FR (1) | FR2168538B3 (US06174465-20010116-C00003.png) |
| NL (1) | NL7215339A (US06174465-20010116-C00003.png) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2241078B1 (US06174465-20010116-C00003.png) * | 1973-08-16 | 1977-08-12 | France Etat | |
| US3950723A (en) * | 1974-02-21 | 1976-04-13 | Westinghouse Electric Corporation | Sonar apparatus |
| CA1201197A (en) * | 1975-09-15 | 1986-02-25 | Commonwealth Of Australia (The) | Variable focus transducer |
| AT348797B (de) * | 1976-04-08 | 1979-03-12 | Kretztechnik Gmbh | Schallkopf zur verbesserung des seitlichen aufloesungsvermoegens bei untersuchungen mit ultraschall nach dem impuls-echoverfahren |
| JPS54155683A (en) * | 1978-05-30 | 1979-12-07 | Matsushita Electric Ind Co Ltd | Electronic scanning system ultrasoniccwave tomooinspection device |
| US4242911A (en) * | 1979-02-01 | 1981-01-06 | Mediscan, Inc. | Ultrasonic medical diagnostic apparatus and method |
| FR2466164A1 (fr) * | 1979-09-26 | 1981-03-27 | Labo Electronique Physique | Transducteur ultrasonore a sensibilite variable et dispositif d'emission-reception ultrasonore equipe de ce transducteur |
| DE3003153C2 (de) * | 1980-01-30 | 1982-04-29 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Vorrichtung zur fernbedienten Ortung von Oberflächen |
| US4398539A (en) * | 1980-06-30 | 1983-08-16 | Second Foundation | Extended focus transducer system |
| US4398116A (en) * | 1981-04-30 | 1983-08-09 | Siemens Gammasonics, Inc. | Transducer for electronic focal scanning in an ultrasound imaging device |
| DE3119295A1 (de) * | 1981-05-14 | 1982-12-16 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zum zerstoeren von konkrementen in koerperhoehlen |
| JPS58132677A (ja) * | 1982-02-03 | 1983-08-08 | Hitachi Medical Corp | 超音波撮像装置 |
| DE3302886C2 (de) * | 1983-01-28 | 1985-06-20 | Dieter Dipl.-Ing. 6652 Bexbach Kiefer | Entfernungsmeßgerät |
| FR2554341B1 (fr) * | 1983-11-03 | 1986-03-14 | Rabelais Universite Francois | Dispositif combine pour former une image tomographique et pour etablir une mesure velocimetrique doppler, au moyen d'ultrasons, notamment pour des examens cardiovasculaires |
| US5143073A (en) * | 1983-12-14 | 1992-09-01 | Edap International, S.A. | Wave apparatus system |
| US5150712A (en) * | 1983-12-14 | 1992-09-29 | Edap International, S.A. | Apparatus for examining and localizing tumors using ultra sounds, comprising a device for localized hyperthermia treatment |
| USRE33590E (en) | 1983-12-14 | 1991-05-21 | Edap International, S.A. | Method for examining, localizing and treating with ultrasound |
| DE8815090U1 (de) * | 1988-12-03 | 1990-02-15 | Dornier Medizintechnik GmbH, 8000 München | Piezokeramische Stoßwellenquelle |
| DE102008028200B4 (de) | 2008-06-12 | 2013-01-31 | Karlsruher Institut für Technologie | Ultraschallwandler mit variabler Fokuseinstellung |
-
1972
- 1972-01-21 DE DE19722202989 patent/DE2202989A1/de active Pending
- 1972-10-05 CH CH1460172A patent/CH545575A/xx not_active IP Right Cessation
- 1972-11-13 NL NL7215339A patent/NL7215339A/xx unknown
-
1973
- 1973-01-19 FR FR7301914A patent/FR2168538B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2168538A1 (US06174465-20010116-C00003.png) | 1973-08-31 |
| NL7215339A (US06174465-20010116-C00003.png) | 1973-07-24 |
| DE2202989A1 (de) | 1973-07-26 |
| CH545575A (US06174465-20010116-C00003.png) | 1974-01-31 |
