DK109094C - Elektro-akustisk omformer for hørlige signaler. - Google Patents
Elektro-akustisk omformer for hørlige signaler.Info
- Publication number
- DK109094C DK109094C DK576363A DK576363A DK109094C DK 109094 C DK109094 C DK 109094C DK 576363 A DK576363 A DK 576363A DK 576363 A DK576363 A DK 576363A DK 109094 C DK109094 C DK 109094C
- Authority
- DK
- Denmark
- Prior art keywords
- electro
- audible signals
- acoustic converter
- acoustic
- converter
- Prior art date
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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB504663A GB969160A (en) | 1963-02-07 | 1963-02-07 | Improvements in or relating to electro-acoustic transducers |
Publications (1)
Publication Number | Publication Date |
---|---|
DK109094C true DK109094C (da) | 1968-03-18 |
Family
ID=9788729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK576363A DK109094C (da) | 1963-02-07 | 1963-12-11 | Elektro-akustisk omformer for hørlige signaler. |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT240446B (he) |
BE (1) | BE641118A (he) |
CH (1) | CH396100A (he) |
DK (1) | DK109094C (he) |
GB (1) | GB969160A (he) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4708600A (en) * | 1986-02-24 | 1987-11-24 | Abujudom Ii David N | Piezoelectric fluid pumping apparatus |
-
0
- BE BE641118D patent/BE641118A/xx unknown
-
1963
- 1963-02-07 GB GB504663A patent/GB969160A/en not_active Expired
- 1963-12-10 AT AT989063A patent/AT240446B/de active
- 1963-12-10 CH CH1507463A patent/CH396100A/fr unknown
- 1963-12-11 DK DK576363A patent/DK109094C/da active
Also Published As
Publication number | Publication date |
---|---|
AT240446B (de) | 1965-05-25 |
GB969160A (en) | 1964-09-09 |
BE641118A (he) | |
CH396100A (fr) | 1965-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK140360B (da) | Elektroakustisk omsætter. | |
CH524943A (de) | Elektroakustischer Wandler | |
NL173699C (nl) | Electroakoestische omzetter. | |
DK137820B (da) | Elektroakustisk omformer. | |
CH482260A (de) | Elektrisch-akustischer Wandler | |
AT326744B (de) | Membran für einen elektroakustischen wandler | |
NL146300B (nl) | Reproduktietoestel. | |
CH505525A (de) | Elektro-akustischer Wandler | |
NL164722C (nl) | Elektro-akoestische omzetter. | |
DK106677C (da) | Lydgengivelsesapparat. | |
CH418401A (de) | Elektroakustischer Wandler | |
NL172504C (nl) | Elektro-akoestische omzetter. | |
BR6463840D0 (pt) | Sinalizador de tom de telefone | |
DK109094C (da) | Elektro-akustisk omformer for hørlige signaler. | |
CH552926A (de) | Elektroakustische wandleranordnung. | |
DK115041B (da) | Elektroakustisk omformer. | |
DK114914B (da) | Kobling for frekvensmodulerede signaler. | |
AT310271B (de) | Elektroakustischer Wandler | |
AT235918B (de) | Elektroakustischer Wandler | |
CH407233A (de) | Elektroakustischer Wandler | |
FR1354631A (fr) | Transducteur électroacoustique | |
FR1425383A (fr) | Transducteur électro-acoustique sous-marin | |
DK108837C (da) | Ekkolodapparat. | |
FR1375955A (fr) | Sondeuse continue | |
NL150656B (nl) | Elektro-akoestische omzetter. |