NL17364C - - Google Patents
Info
- Publication number
- NL17364C NL17364C NL31226A NL31226A NL17364C NL 17364 C NL17364 C NL 17364C NL 31226 A NL31226 A NL 31226A NL 31226 A NL31226 A NL 31226A NL 17364 C NL17364 C NL 17364C
- Authority
- NL
- Netherlands
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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/004—Transducers other than those covered by groups H04R9/00 - H04R21/00 using ionised gas
Landscapes
- 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 |
|---|---|---|---|
| GB2374925A GB241874A (en) | 1925-09-23 | 1925-09-23 | Method of converting electrical into acoustic energy without inertia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL17364C true NL17364C (en, 2012) | 1928-04-18 |
Family
ID=10200673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31226A NL17364C (en, 2012) | 1925-09-23 | 1925-09-10 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR604728A (en, 2012) |
| GB (1) | GB241874A (en, 2012) |
| NL (1) | NL17364C (en, 2012) |
-
1925
- 1925-09-10 NL NL31226A patent/NL17364C/xx active
- 1925-09-23 GB GB2374925A patent/GB241874A/en not_active Expired
- 1925-10-08 FR FR604728D patent/FR604728A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR604728A (fr) | 1926-05-12 |
| GB241874A (en) | 1926-06-10 |