BE334368A - - Google Patents
Info
- Publication number
- BE334368A BE334368A BE334368DA BE334368A BE 334368 A BE334368 A BE 334368A BE 334368D A BE334368D A BE 334368DA BE 334368 A BE334368 A BE 334368A
- Authority
- BE
- Belgium
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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36563A US1630011A (en) | 1925-06-11 | 1925-06-11 | Loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE334368A true BE334368A (https=) |
Family
ID=21889291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE334368D BE334368A (https=) | 1925-06-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1630011A (https=) |
| BE (1) | BE334368A (https=) |
| DE (1) | DE509370C (https=) |
| FR (1) | FR616419A (https=) |
| GB (1) | GB253486A (https=) |
| NL (1) | NL20912C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6510919B1 (en) | 2000-08-30 | 2003-01-28 | Awi Licensing Company | Facing system for a flat panel radiator |
-
0
- NL NL20912D patent/NL20912C/xx active
- BE BE334368D patent/BE334368A/xx unknown
-
1925
- 1925-06-11 US US36563A patent/US1630011A/en not_active Expired - Lifetime
-
1926
- 1926-04-13 GB GB9727/26A patent/GB253486A/en not_active Expired
- 1926-05-20 FR FR616419D patent/FR616419A/fr not_active Expired
- 1926-05-29 DE DEH106732D patent/DE509370C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE509370C (de) | 1930-10-08 |
| GB253486A (https=) | 1927-07-13 |
| FR616419A (fr) | 1927-02-02 |
| US1630011A (en) | 1927-05-24 |
| NL20912C (https=) |