FR855048A - Improvements to ultrasonic projectors - Google Patents
Improvements to ultrasonic projectorsInfo
- Publication number
- FR855048A FR855048A FR855048DA FR855048A FR 855048 A FR855048 A FR 855048A FR 855048D A FR855048D A FR 855048DA FR 855048 A FR855048 A FR 855048A
- Authority
- FR
- France
- Prior art keywords
- projectors
- ultrasonic
- ultrasonic projectors
- 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
- B06B1/06—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR855048T | 1938-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR855048A true FR855048A (en) | 1940-04-30 |
Family
ID=9328054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR855048D Expired FR855048A (en) | 1938-10-28 | 1938-10-28 | Improvements to ultrasonic projectors |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE443841A (en) |
FR (1) | FR855048A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE899574C (en) * | 1941-08-16 | 1953-12-14 | Siemens Ag | Piezoelectric vibration generator |
EP2333940A1 (en) | 2009-12-10 | 2011-06-15 | Valeo Equipements Electriques Moteur | Brushes holder device for a starter of a motor vehicle and starter motor |
-
0
- BE BE443841D patent/BE443841A/fr unknown
-
1938
- 1938-10-28 FR FR855048D patent/FR855048A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE899574C (en) * | 1941-08-16 | 1953-12-14 | Siemens Ag | Piezoelectric vibration generator |
EP2333940A1 (en) | 2009-12-10 | 2011-06-15 | Valeo Equipements Electriques Moteur | Brushes holder device for a starter of a motor vehicle and starter motor |
Also Published As
Publication number | Publication date |
---|---|
BE443841A (en) |
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