GB237878A - Improvements in diaphragms for acoustic apparatus - Google Patents
Improvements in diaphragms for acoustic apparatusInfo
- Publication number
- GB237878A GB237878A GB15131/25A GB1513125A GB237878A GB 237878 A GB237878 A GB 237878A GB 15131/25 A GB15131/25 A GB 15131/25A GB 1513125 A GB1513125 A GB 1513125A GB 237878 A GB237878 A GB 237878A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- diaphragms
- ring
- edge
- axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
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 |
|---|---|---|---|
| US729009A US1913451A (en) | 1924-07-30 | 1924-07-30 | Acoustic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB237878A true GB237878A (en) | 1926-07-22 |
Family
ID=24929199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15131/25A Expired GB237878A (en) | 1924-07-30 | 1925-06-10 | Improvements in diaphragms for acoustic apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1913451A (enrdf_load_stackoverflow) |
| DE (1) | DE556082C (enrdf_load_stackoverflow) |
| FR (1) | FR600923A (enrdf_load_stackoverflow) |
| GB (1) | GB237878A (enrdf_load_stackoverflow) |
| NL (1) | NL18435C (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2662606A (en) * | 1950-01-31 | 1953-12-15 | Rca Corp | Elliptical conoidal sound reproducing diaphragm |
-
1924
- 1924-07-30 US US729009A patent/US1913451A/en not_active Expired - Lifetime
-
1925
- 1925-06-10 GB GB15131/25A patent/GB237878A/en not_active Expired
- 1925-06-17 NL NL30507A patent/NL18435C/xx active
- 1925-06-28 DE DEI26337D patent/DE556082C/de not_active Expired
- 1925-07-20 FR FR600923D patent/FR600923A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1913451A (en) | 1933-06-13 |
| FR600923A (fr) | 1926-02-18 |
| DE556082C (de) | 1932-08-04 |
| NL18435C (enrdf_load_stackoverflow) | 1928-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB563595A (en) | Improvements relating to microphones | |
| GB237878A (en) | Improvements in diaphragms for acoustic apparatus | |
| GB308801A (en) | Improvements in sound reproducing apparatus, such as loud-speaking telephonic receivers | |
| GB464418A (en) | Improvements in or relating to sound reproducing apparatus | |
| GB451754A (en) | Improvements in and relating to loud speakers | |
| GB228102A (en) | Sound-reproducing instruments | |
| GB444708A (en) | Improvements in sound distributing and amplifying device | |
| GB339127A (en) | Improvements in or relating to apparatus for the reproduction of sound having a diaphragm of relatively large surface and a screen plate | |
| US1734271A (en) | Conical-diaphragm sound reproducer | |
| US1699903A (en) | Loud-speaker | |
| GB273206A (en) | Sound reproducer | |
| GB233008A (en) | Improvements in telephone receivers and like instruments particularly for use in wireless receiving apparatus | |
| GB261426A (en) | Cone type loud speaker | |
| GB259103A (en) | Improvements in or relating to sound reproducing apparatus | |
| GB611179A (en) | Improvements in and relating to acoustic instruments, such as loud speakers and directional microphones | |
| GB242362A (en) | Improvements in acoustic devices | |
| GB248845A (en) | Improvements in and relating to loud speakers for wireless telephony, and the like | |
| GB293414A (en) | Improvements relating to loud-speakers | |
| GB230552A (en) | Improvements in telephone receivers and like instruments | |
| GB266675A (en) | Improvements in acoustic devices | |
| GB310180A (en) | Improvements in sound reproducing apparatus | |
| GB303189A (en) | Improvements in or relating to acoustic instruments | |
| GB266271A (en) | Improvements in or relating to telephone loud speakers | |
| GB429307A (en) | Improvements in and relating to electrodynamic vibratory devices such as microphones | |
| GB231556A (en) | Improvements in acoustic devices |