FR2195143B1 - - Google Patents
Info
- Publication number
- FR2195143B1 FR2195143B1 FR7227688A FR7227688A FR2195143B1 FR 2195143 B1 FR2195143 B1 FR 2195143B1 FR 7227688 A FR7227688 A FR 7227688A FR 7227688 A FR7227688 A FR 7227688A FR 2195143 B1 FR2195143 B1 FR 2195143B1
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7227688A FR2195143B1 (US07935154-20110503-C00018.png) | 1972-08-01 | 1972-08-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7227688A FR2195143B1 (US07935154-20110503-C00018.png) | 1972-08-01 | 1972-08-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2195143A1 FR2195143A1 (US07935154-20110503-C00018.png) | 1974-03-01 |
FR2195143B1 true FR2195143B1 (US07935154-20110503-C00018.png) | 1977-04-01 |
Family
ID=9102678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7227688A Expired FR2195143B1 (US07935154-20110503-C00018.png) | 1972-08-01 | 1972-08-01 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2195143B1 (US07935154-20110503-C00018.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO155599C (no) * | 1984-09-19 | 1987-04-22 | Norway Geophysical Co | Anordning ved hydrofon. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2405226A (en) * | 1942-12-28 | 1946-08-06 | Bell Telephone Labor Inc | Low frequency projector or hydrophone |
US3158762A (en) * | 1962-12-27 | 1964-11-24 | John J Horan | Bilaminar transducers |
US3351903A (en) * | 1966-10-27 | 1967-11-07 | Gen Dynamics Corp | Transducer with pressure release means |
-
1972
- 1972-08-01 FR FR7227688A patent/FR2195143B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2195143A1 (US07935154-20110503-C00018.png) | 1974-03-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |