BR8200969A - Disposicao para a melhoria de resposta de frequencia para transdutores eletroacusticos - Google Patents
Disposicao para a melhoria de resposta de frequencia para transdutores eletroacusticosInfo
- Publication number
- BR8200969A BR8200969A BR8200969A BR8200969A BR8200969A BR 8200969 A BR8200969 A BR 8200969A BR 8200969 A BR8200969 A BR 8200969A BR 8200969 A BR8200969 A BR 8200969A BR 8200969 A BR8200969 A BR 8200969A
- Authority
- BR
- Brazil
- Prior art keywords
- provision
- improving
- frequency response
- acoustic transducers
- electric acoustic
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- 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 |
|---|---|---|---|
| DE19813107293 DE3107293C2 (de) | 1981-02-26 | 1981-02-26 | Anordnung zur Frequenzgangverbesserung für elektroakustische Wandler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8200969A true BR8200969A (pt) | 1983-01-04 |
Family
ID=6125848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8200969A BR8200969A (pt) | 1981-02-26 | 1982-02-25 | Disposicao para a melhoria de resposta de frequencia para transdutores eletroacusticos |
Country Status (5)
| Country | Link |
|---|---|
| AR (1) | AR229045A1 (pt) |
| AT (1) | AT371967B (pt) |
| AU (1) | AU538166B2 (pt) |
| BR (1) | BR8200969A (pt) |
| DE (1) | DE3107293C2 (pt) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3232177A1 (de) * | 1982-08-30 | 1984-03-01 | Siemens AG, 1000 Berlin und 8000 München | Piezoelektrischer wandler |
| DE3335431A1 (de) * | 1983-03-18 | 1984-09-20 | Siemens AG, 1000 Berlin und 8000 München | Wandlerplatte fuer piezoelektrische wandler und vorrichtung zu deren herstellung |
| FR2545302B1 (fr) * | 1983-04-26 | 1989-01-13 | Thomson Csf Mat Tel | Filtre acoustique pour transducteur en particulier du type electromagnetique de combine telephonique |
| DE3630951A1 (de) * | 1986-09-11 | 1988-03-17 | Siemens Ag | Anordnung zur frequenzgangverbesserung fuer elektroakustische wandler |
| CN1015289B (zh) * | 1988-08-10 | 1992-01-01 | 西门子公司 | 电声转换器 |
| AU618479B2 (en) * | 1989-05-16 | 1991-12-19 | Exicom Australia Pty Limited | A dual speaker |
| US5406161A (en) * | 1994-05-24 | 1995-04-11 | Industrial Technology Research Institute | Piezoelectric composite receiver |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL267294A (pt) * | 1960-07-22 | |||
| DE7340544U (de) * | 1973-07-19 | 1974-03-07 | Peiker H | Kleinlautsprecher für Sprachübertragung |
-
1981
- 1981-02-26 DE DE19813107293 patent/DE3107293C2/de not_active Expired
-
1982
- 1982-01-11 AT AT5682A patent/AT371967B/de not_active IP Right Cessation
- 1982-02-12 AR AR22842682A patent/AR229045A1/es active
- 1982-02-25 BR BR8200969A patent/BR8200969A/pt unknown
- 1982-02-25 AU AU80908/82A patent/AU538166B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| ATA5682A (de) | 1982-12-15 |
| DE3107293C2 (de) | 1987-05-14 |
| DE3107293A1 (de) | 1982-09-09 |
| AR229045A1 (es) | 1983-05-31 |
| AT371967B (de) | 1983-08-25 |
| AU8090882A (en) | 1982-09-02 |
| AU538166B2 (en) | 1984-08-02 |
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