NL22763C - - Google Patents
Info
- Publication number
- NL22763C NL22763C NL22763DA NL22763C NL 22763 C NL22763 C NL 22763C NL 22763D A NL22763D A NL 22763DA NL 22763 C NL22763 C NL 22763C
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL305669X | 1928-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL22763C true NL22763C (es) |
Family
ID=19783479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL22763D NL22763C (es) | 1928-02-09 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB305669A (es) |
| NL (1) | NL22763C (es) |
-
0
- NL NL22763D patent/NL22763C/xx active
-
1929
- 1929-02-07 GB GB4135/29A patent/GB305669A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB305669A (en) | 1929-12-12 |