YU34749B - Reversible electromagnetic transverter especially for telephone sets - Google Patents
Reversible electromagnetic transverter especially for telephone setsInfo
- Publication number
- YU34749B YU34749B YU236671A YU236671A YU34749B YU 34749 B YU34749 B YU 34749B YU 236671 A YU236671 A YU 236671A YU 236671 A YU236671 A YU 236671A YU 34749 B YU34749 B YU 34749B
- Authority
- YU
- Yugoslavia
- Prior art keywords
- transverter
- telephone sets
- reversible electromagnetic
- reversible
- electromagnetic
- Prior art date
Links
- 230000002441 reversible effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15086870 | 1970-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| YU236671A YU236671A (en) | 1979-07-10 |
| YU34749B true YU34749B (en) | 1979-12-31 |
Family
ID=5483085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| YU236671A YU34749B (en) | 1970-10-19 | 1971-09-17 | Reversible electromagnetic transverter especially for telephone sets |
Country Status (6)
| Country | Link |
|---|---|
| BG (1) | BG20991A1 (cs) |
| CS (1) | CS158772B1 (cs) |
| DE (1) | DE2120001C3 (cs) |
| HU (1) | HU166721B (cs) |
| SU (1) | SU479267A1 (cs) |
| YU (1) | YU34749B (cs) |
-
1971
- 1971-04-23 DE DE19712120001 patent/DE2120001C3/de not_active Expired
- 1971-05-05 BG BG1747571A patent/BG20991A1/xx unknown
- 1971-05-06 CS CS330771A patent/CS158772B1/cs unknown
- 1971-09-17 YU YU236671A patent/YU34749B/xx unknown
- 1971-10-18 SU SU1706977A patent/SU479267A1/ru active
- 1971-10-19 HU HUII000078 patent/HU166721B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS158772B1 (cs) | 1974-12-27 |
| DE2120001A1 (de) | 1972-04-20 |
| SU479267A1 (ru) | 1975-07-30 |
| BG20991A1 (cs) | 1976-01-20 |
| YU236671A (en) | 1979-07-10 |
| DE2120001C3 (de) | 1979-10-31 |
| DE2120001B2 (de) | 1979-03-22 |
| HU166721B (cs) | 1975-05-28 |
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