FR2633202B1 - ELECTRO-STATIC TRIPLET - Google Patents
ELECTRO-STATIC TRIPLETInfo
- Publication number
- FR2633202B1 FR2633202B1 FR8808577A FR8808577A FR2633202B1 FR 2633202 B1 FR2633202 B1 FR 2633202B1 FR 8808577 A FR8808577 A FR 8808577A FR 8808577 A FR8808577 A FR 8808577A FR 2633202 B1 FR2633202 B1 FR 2633202B1
- Authority
- FR
- France
- Prior art keywords
- triplet
- electro
- static
- static triplet
- Prior art date
- 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 - Lifetime
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
- B06B1/0644—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 single piezoelectric element
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8808577A FR2633202B1 (en) | 1988-06-27 | 1988-06-27 | ELECTRO-STATIC TRIPLET |
PCT/FR1989/000330 WO1990000094A1 (en) | 1988-06-27 | 1989-06-27 | An ultrasonic emitter and a device for focussing ultrasonic emissions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8808577A FR2633202B1 (en) | 1988-06-27 | 1988-06-27 | ELECTRO-STATIC TRIPLET |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2633202A1 FR2633202A1 (en) | 1989-12-29 |
FR2633202B1 true FR2633202B1 (en) | 1990-09-07 |
Family
ID=9367736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8808577A Expired - Lifetime FR2633202B1 (en) | 1988-06-27 | 1988-06-27 | ELECTRO-STATIC TRIPLET |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2633202B1 (en) |
WO (1) | WO1990000094A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5395592A (en) * | 1993-10-04 | 1995-03-07 | Bolleman; Brent | Acoustic liquid processing device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT307529B (en) * | 1971-03-22 | 1973-05-25 | Tesla Np | Electrostatic converter |
AU550225B2 (en) * | 1982-05-26 | 1986-03-06 | Ontario Cancer Institute, The | Ultrasonic imaging device |
GB2127657B (en) * | 1982-09-23 | 1986-05-29 | Nat Res Dev | Acoustic lens |
EP0251797B1 (en) * | 1986-07-02 | 1993-10-06 | Nec Corporation | Non-directional ultrasonic transducer |
-
1988
- 1988-06-27 FR FR8808577A patent/FR2633202B1/en not_active Expired - Lifetime
-
1989
- 1989-06-27 WO PCT/FR1989/000330 patent/WO1990000094A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2633202A1 (en) | 1989-12-29 |
WO1990000094A1 (en) | 1990-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |