FR2498405B1 - - Google Patents
Info
- Publication number
- FR2498405B1 FR2498405B1 FR8100778A FR8100778A FR2498405B1 FR 2498405 B1 FR2498405 B1 FR 2498405B1 FR 8100778 A FR8100778 A FR 8100778A FR 8100778 A FR8100778 A FR 8100778A FR 2498405 B1 FR2498405 B1 FR 2498405B1
- 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
- B06B1/0603—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 a piezoelectric bender, e.g. bimorph
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/302—Sensors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100778A FR2498405A1 (fr) | 1981-01-16 | 1981-01-16 | Hydrophone a lame piezoelectrique mince |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100778A FR2498405A1 (fr) | 1981-01-16 | 1981-01-16 | Hydrophone a lame piezoelectrique mince |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2498405A1 FR2498405A1 (fr) | 1982-07-23 |
FR2498405B1 true FR2498405B1 (fr) | 1985-03-08 |
Family
ID=9254234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8100778A Granted FR2498405A1 (fr) | 1981-01-16 | 1981-01-16 | Hydrophone a lame piezoelectrique mince |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2498405A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3433373A1 (de) * | 1984-09-12 | 1986-03-20 | Michael 2000 Wedel Jureczek | Elektroakustischer wandler mit piezoelektrischen elementen |
DE3682378D1 (de) * | 1985-12-20 | 1991-12-12 | Avl Verbrennungskraft Messtech | Messwertaufnehmer mit einem flexiblen piezoelektrischen film als messelement. |
NO160959C (no) * | 1986-09-26 | 1991-01-29 | Geco As | Piezoelektrisk hydrofon. |
GB8728509D0 (en) * | 1987-12-05 | 1988-01-13 | Rolls Royce Plc | Acoustic emission transducer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1302709A (fr) * | 1960-10-25 | 1962-08-31 | Western Electric Co | Transducteur piézoélectrique |
NL284622A (fr) * | 1961-10-24 | |||
DE1541523B1 (de) * | 1965-12-21 | 1970-07-09 | Nippon Electric Co | Piezoelektrisches elektroakustisches Wandlerelement und Verfahren zu seiner Herstellung |
GB1208154A (en) * | 1968-02-13 | 1970-10-07 | Mullard Ltd | Improvements in or relating to acoustical transducers |
-
1981
- 1981-01-16 FR FR8100778A patent/FR2498405A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2498405A1 (fr) | 1982-07-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |