NL6629C - - Google Patents
Info
- Publication number
- NL6629C NL6629C NL6629DA NL6629C NL 6629 C NL6629 C NL 6629C NL 6629D A NL6629D A NL 6629DA NL 6629 C NL6629 C NL 6629C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/14—Throat mountings for microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB226919A GB136359A (en) | 1919-01-29 | 1919-01-29 | Improvements in or relating to Telephonic Transmitters. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6629C true NL6629C (fr) |
Family
ID=32669923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6629D NL6629C (fr) | 1919-01-29 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR508678A (fr) |
| GB (1) | GB136359A (fr) |
| NL (1) | NL6629C (fr) |
-
0
- NL NL6629D patent/NL6629C/xx active
-
1919
- 1919-01-29 GB GB226919A patent/GB136359A/en not_active Expired
-
1920
- 1920-01-16 FR FR508678D patent/FR508678A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR508678A (fr) | 1920-10-20 |
| GB136359A (en) | 1919-12-18 |