BE447617A - - Google Patents
Info
- Publication number
- BE447617A BE447617A BE447617DA BE447617A BE 447617 A BE447617 A BE 447617A BE 447617D A BE447617D A BE 447617DA BE 447617 A BE447617 A BE 447617A
- 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
- B06B1/06—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
- B06B1/0607—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 multiple elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEE49176D DE732889C (de) | 1936-12-24 | 1936-12-24 | Geschichteter Rochellesalz-Schwinger fuer Unterwasserschall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447617A true BE447617A (xx) |
Family
ID=7080849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447617D BE447617A (xx) | 1936-12-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE447617A (xx) |
| CH (1) | CH233605A (xx) |
| DE (1) | DE732889C (xx) |
| FR (1) | FR887325A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3730116B2 (ja) * | 2000-12-21 | 2005-12-21 | タイコエレクトロニクスアンプ株式会社 | カードエッジコネクタ |
-
0
- BE BE447617D patent/BE447617A/xx unknown
-
1936
- 1936-12-24 DE DEE49176D patent/DE732889C/de not_active Expired
-
1942
- 1942-10-10 CH CH233605D patent/CH233605A/de unknown
- 1942-10-29 FR FR887325D patent/FR887325A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR887325A (fr) | 1943-11-10 |
| CH233605A (de) | 1944-08-15 |
| DE732889C (de) | 1952-05-23 |