FR34733E - - Google Patents
Info
- Publication number
- FR34733E FR34733E FR34733DA FR34733E FR 34733 E FR34733 E FR 34733E FR 34733D A FR34733D A FR 34733DA FR 34733 E FR34733 E FR 34733E
- 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
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
-
- 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
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 |
|---|---|---|---|
| FR32838T | 1926-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR34733E true FR34733E (nl) | 1929-09-19 |
Family
ID=8670518
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34733D Expired FR34733E (nl) | 1926-07-19 | ||
| FR625274D Expired FR625274A (fr) | 1926-07-19 | 1926-03-03 | Récepteur téléphonique de grande sensibilité |
| FR32838D Expired FR32838E (fr) | 1926-07-19 | 1926-07-19 | Récepteur téléphonique de grande sensibilité |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR625274D Expired FR625274A (fr) | 1926-07-19 | 1926-03-03 | Récepteur téléphonique de grande sensibilité |
| FR32838D Expired FR32838E (fr) | 1926-07-19 | 1926-07-19 | Récepteur téléphonique de grande sensibilité |
Country Status (1)
| Country | Link |
|---|---|
| FR (3) | FR625274A (nl) |
-
0
- FR FR34733D patent/FR34733E/fr not_active Expired
-
1926
- 1926-03-03 FR FR625274D patent/FR625274A/fr not_active Expired
- 1926-07-19 FR FR32838D patent/FR32838E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR32838E (fr) | 1928-02-29 |
| FR625274A (fr) | 1927-08-06 |