FR34520E - - Google Patents
Info
- Publication number
- FR34520E FR34520E FR34520DA FR34520E FR 34520 E FR34520 E FR 34520E FR 34520D A FR34520D A FR 34520DA FR 34520 E FR34520 E FR 34520E
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H04R11/00—Transducers of moving-armature or moving-core type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/02—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR620656T | 1925-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR34520E true FR34520E (no) | 1929-09-12 |
Family
ID=8984538
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34520D Expired FR34520E (no) | 1925-12-17 | ||
| FR620656D Expired FR620656A (fr) | 1925-12-17 | 1925-12-17 | Perfectionnements aux hauts-parleurs pour t. s. f. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR620656D Expired FR620656A (fr) | 1925-12-17 | 1925-12-17 | Perfectionnements aux hauts-parleurs pour t. s. f. |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE338802A (no) |
| FR (2) | FR620656A (no) |
-
0
- BE BE338802D patent/BE338802A/xx unknown
- FR FR34520D patent/FR34520E/fr not_active Expired
-
1925
- 1925-12-17 FR FR620656D patent/FR620656A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE338802A (no) | |
| FR620656A (fr) | 1927-04-27 |