DK138100C - - Google Patents
Info
- Publication number
- DK138100C DK138100C DK267668A DK267668A DK138100C DK 138100 C DK138100 C DK 138100C DK 267668 A DK267668 A DK 267668A DK 267668 A DK267668 A DK 267668A DK 138100 C DK138100 C DK 138100C
- Authority
- DK
- Denmark
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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
-
- 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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUEE001409 | 1967-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK138100B DK138100B (da) | 1978-07-10 |
| DK138100C true DK138100C (de) | 1978-12-11 |
Family
ID=10995235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK267668A DK138100B (da) | 1967-06-10 | 1968-06-07 | Dynamisk svingspoleomformer, især mikrofon og telefon. |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT294211B (de) |
| BG (1) | BG29580A3 (de) |
| DE (1) | DE1762363B2 (de) |
| DK (1) | DK138100B (de) |
| FR (1) | FR1582904A (de) |
| SU (1) | SU361611A3 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL164451C (nl) * | 1969-01-17 | 1980-12-15 | Philips Nv | Inrichting voor het omzetten van akoestische in elektrische trillingen en andersom, voorzien van een magneetsysteem en een niet-magnetisch centreerorgaan. |
| RU2654323C2 (ru) * | 2016-01-12 | 2018-05-17 | Растошинский Иван Сергеевич | Динамический громкоговоритель с внутренним резонатором |
-
1968
- 1968-05-28 AT AT511468A patent/AT294211B/de not_active IP Right Cessation
- 1968-06-05 DE DE19681762363 patent/DE1762363B2/de not_active Withdrawn
- 1968-06-06 BG BG010091A patent/BG29580A3/xx unknown
- 1968-06-07 DK DK267668A patent/DK138100B/da unknown
- 1968-06-10 SU SU1246217A patent/SU361611A3/ru active
- 1968-07-08 FR FR158339A patent/FR1582904A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BG29580A3 (en) | 1980-12-12 |
| AT294211B (de) | 1971-11-10 |
| DK138100B (da) | 1978-07-10 |
| DE1762363A1 (de) | 1970-04-16 |
| DE1762363B2 (de) | 1973-07-19 |
| SU361611A3 (de) | 1972-12-07 |
| FR1582904A (de) | 1969-10-10 |