NL55793C - - Google Patents
Info
- Publication number
- NL55793C NL55793C NL94544A NL94544A NL55793C NL 55793 C NL55793 C NL 55793C NL 94544 A NL94544 A NL 94544A NL 94544 A NL94544 A NL 94544A NL 55793 C NL55793 C NL 55793C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R15/00—Magnetostrictive transducers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/40—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a magnetostrictive resonator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/22—Constructional features of resonators consisting of magnetostrictive material
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE531871X | 1938-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL55793C true NL55793C (es) | 1944-01-15 |
Family
ID=6555175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL94544A NL55793C (es) | 1938-08-04 | 1939-07-29 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR858334A (es) |
| GB (1) | GB531871A (es) |
| NL (1) | NL55793C (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826396A (en) * | 1955-02-01 | 1958-03-11 | Telephonics Corp | Vibration producing apparatus |
| US2874316A (en) * | 1957-01-04 | 1959-02-17 | Blackstone Corp | Ultrasonic transducers |
-
1939
- 1939-07-27 FR FR858334D patent/FR858334A/fr not_active Expired
- 1939-07-29 NL NL94544A patent/NL55793C/xx active
- 1939-08-04 GB GB22718/39A patent/GB531871A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR858334A (fr) | 1940-11-22 |
| GB531871A (en) | 1941-01-13 |