BE443842A - - Google Patents
Info
- Publication number
- BE443842A BE443842A BE443842DA BE443842A BE 443842 A BE443842 A BE 443842A BE 443842D A BE443842D A BE 443842DA BE 443842 A BE443842 A BE 443842A
- Authority
- BE
- Belgium
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
- B06B1/0207—Driving circuits
- B06B1/0215—Driving circuits for generating pulses, e.g. bursts of oscillations, envelopes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R15/00—Magnetostrictive transducers
-
- 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
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/50—Application to a particular transducer type
- B06B2201/58—Magnetostrictive transducer
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR855054T | 1939-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443842A true BE443842A (th) |
Family
ID=9328060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443842D BE443842A (th) | 1939-01-13 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE443842A (th) |
| FR (1) | FR855054A (th) |
| GB (1) | GB603565A (th) |
-
0
- BE BE443842D patent/BE443842A/xx unknown
-
1939
- 1939-01-13 FR FR855054D patent/FR855054A/fr not_active Expired
-
1940
- 1940-01-15 GB GB864/40A patent/GB603565A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR855054A (fr) | 1940-05-01 |
| GB603565A (en) | 1948-06-18 |