NL36535C - - Google Patents
Info
- Publication number
- NL36535C NL36535C NL36535DA NL36535C NL 36535 C NL36535 C NL 36535C NL 36535D A NL36535D A NL 36535DA NL 36535 C NL36535 C NL 36535C
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE386265X | 1931-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL36535C true NL36535C (https=) |
Family
ID=6370959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL36535D NL36535C (https=) | 1931-08-06 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB386265A (https=) |
| NL (1) | NL36535C (https=) |
-
0
- NL NL36535D patent/NL36535C/xx active
-
1932
- 1932-08-04 GB GB21914/32A patent/GB386265A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB386265A (en) | 1933-01-12 |