FR2168538A1 - - Google Patents
Info
- Publication number
- FR2168538A1 FR2168538A1 FR7301914A FR7301914A FR2168538A1 FR 2168538 A1 FR2168538 A1 FR 2168538A1 FR 7301914 A FR7301914 A FR 7301914A FR 7301914 A FR7301914 A FR 7301914A FR 2168538 A1 FR2168538 A1 FR 2168538A1
- 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.)
- Granted
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 (en) | 1972-01-21 | 1972-01-21 | FOCUSED ULTRASONIC CONVERTER |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2168538A1 true FR2168538A1 (en) | 1973-08-31 |
FR2168538B3 FR2168538B3 (en) | 1976-01-23 |
Family
ID=5833703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7301914A Expired FR2168538B3 (en) | 1972-01-21 | 1973-01-19 |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH545575A (en) |
DE (1) | DE2202989A1 (en) |
FR (1) | FR2168538B3 (en) |
NL (1) | NL7215339A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2324004A1 (en) * | 1975-09-15 | 1977-04-08 | Commw Of Australia | IMPROVEMENTS TO THE DEVICES FOR ULTRASONIC EXAMINATION |
FR2448155A1 (en) * | 1979-02-01 | 1980-08-29 | Mediscan Inc | ULTRASONIC MEDICAL DIAGNOSTIC APPARATUS |
FR2466164A1 (en) * | 1979-09-26 | 1981-03-27 | Labo Electronique Physique | ULTRASONIC TRANSDUCER WITH VARIABLE SENSITIVITY AND ULTRASONIC TRANSCEIVER DEVICE EQUIPPED WITH SAID TRANSDUCER |
FR2554341A1 (en) * | 1983-11-03 | 1985-05-10 | Rabelais Universite Francois | Combined device for forming a tomographic image and for establishing a Doppler velocimetric measurement, by means of ultrasound, in particular for cardiovascular examination |
EP0372198A2 (en) * | 1988-12-03 | 1990-06-13 | Dornier Medizintechnik Gmbh | Piezoceramic shock-wave generator |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2241078B1 (en) * | 1973-08-16 | 1977-08-12 | France Etat | |
US3950723A (en) * | 1974-02-21 | 1976-04-13 | Westinghouse Electric Corporation | Sonar apparatus |
AT348797B (en) * | 1976-04-08 | 1979-03-12 | Kretztechnik Gmbh | SOUND HEAD TO IMPROVE LATERAL RESOLUTION IN EXAMINATIONS WITH ULTRASOUND ACCORDING TO THE IMPULSE ECHO METHOD |
JPS54155683A (en) * | 1978-05-30 | 1979-12-07 | Matsushita Electric Ind Co Ltd | Electronic scanning system ultrasoniccwave tomooinspection device |
DE3003153C2 (en) * | 1980-01-30 | 1982-04-29 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Device for the remote location of surfaces |
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 (en) * | 1981-05-14 | 1982-12-16 | Siemens AG, 1000 Berlin und 8000 München | DEVICE FOR DESTROYING CONCRETE IN BODIES |
JPS58132677A (en) * | 1982-02-03 | 1983-08-08 | Hitachi Medical Corp | Ultrasonic pickup device |
DE3302886C2 (en) * | 1983-01-28 | 1985-06-20 | Dieter Dipl.-Ing. 6652 Bexbach Kiefer | Distance measuring device |
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 |
DE102008028200B4 (en) | 2008-06-12 | 2013-01-31 | Karlsruher Institut für Technologie | Ultrasonic transducer with variable focus adjustment |
-
1972
- 1972-01-21 DE DE19722202989 patent/DE2202989A1/en 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
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2324004A1 (en) * | 1975-09-15 | 1977-04-08 | Commw Of Australia | IMPROVEMENTS TO THE DEVICES FOR ULTRASONIC EXAMINATION |
FR2448155A1 (en) * | 1979-02-01 | 1980-08-29 | Mediscan Inc | ULTRASONIC MEDICAL DIAGNOSTIC APPARATUS |
FR2466164A1 (en) * | 1979-09-26 | 1981-03-27 | Labo Electronique Physique | ULTRASONIC TRANSDUCER WITH VARIABLE SENSITIVITY AND ULTRASONIC TRANSCEIVER DEVICE EQUIPPED WITH SAID TRANSDUCER |
FR2554341A1 (en) * | 1983-11-03 | 1985-05-10 | Rabelais Universite Francois | Combined device for forming a tomographic image and for establishing a Doppler velocimetric measurement, by means of ultrasound, in particular for cardiovascular examination |
EP0372198A2 (en) * | 1988-12-03 | 1990-06-13 | Dornier Medizintechnik Gmbh | Piezoceramic shock-wave generator |
EP0372198A3 (en) * | 1988-12-03 | 1991-11-13 | Dornier Medizintechnik Gmbh | Piezoceramic shock-wave generator |
Also Published As
Publication number | Publication date |
---|---|
NL7215339A (en) | 1973-07-24 |
DE2202989A1 (en) | 1973-07-26 |
FR2168538B3 (en) | 1976-01-23 |
CH545575A (en) | 1974-01-31 |