FR931945A - Improvements to sound and ultrasonic wave production devices - Google Patents
Improvements to sound and ultrasonic wave production devicesInfo
- Publication number
- FR931945A FR931945A FR931945DA FR931945A FR 931945 A FR931945 A FR 931945A FR 931945D A FR931945D A FR 931945DA FR 931945 A FR931945 A FR 931945A
- Authority
- FR
- France
- Prior art keywords
- sound
- ultrasonic wave
- production devices
- wave production
- devices
- 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
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
- B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
- B06B1/085—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction using multiple elements, e.g. arrays
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR931945T | 1946-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR931945A true FR931945A (en) | 1948-03-08 |
Family
ID=9454928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR931945D Expired FR931945A (en) | 1946-08-05 | 1946-08-05 | Improvements to sound and ultrasonic wave production devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR931945A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE970507C (en) * | 1952-05-10 | 1958-09-25 | Siemens Ag | Disc-shaped, piezoelectric vibrating body with an uninterrupted radiation surface |
DE1105210B (en) * | 1954-05-05 | 1961-04-20 | Bendix Corp | Electromechanical transmitter for high-frequency pressure waves in flow media |
-
1946
- 1946-08-05 FR FR931945D patent/FR931945A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE970507C (en) * | 1952-05-10 | 1958-09-25 | Siemens Ag | Disc-shaped, piezoelectric vibrating body with an uninterrupted radiation surface |
DE1105210B (en) * | 1954-05-05 | 1961-04-20 | Bendix Corp | Electromechanical transmitter for high-frequency pressure waves in flow media |
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