GB293414A - Improvements relating to loud-speakers - Google Patents
Improvements relating to loud-speakersInfo
- Publication number
- GB293414A GB293414A GB32592/27A GB3259227A GB293414A GB 293414 A GB293414 A GB 293414A GB 32592/27 A GB32592/27 A GB 32592/27A GB 3259227 A GB3259227 A GB 3259227A GB 293414 A GB293414 A GB 293414A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- edge
- leather
- weighted
- ring
- 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; 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE293414X | 1927-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB293414A true GB293414A (en) | 1929-03-04 |
Family
ID=6079132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32592/27A Expired GB293414A (en) | 1927-07-06 | 1927-12-02 | Improvements relating to loud-speakers |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE343797A (https=) |
| FR (1) | FR638392A (https=) |
| GB (1) | GB293414A (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2863520A (en) * | 1955-03-11 | 1958-12-09 | Gen Dynamics Corp | Loudspeaker cone rim treatment |
| DE102014224061B4 (de) | 2013-12-19 | 2022-04-07 | Apple Inc. | Dreiteiliger Membranlautsprecher |
-
0
- BE BE343797D patent/BE343797A/xx unknown
-
1927
- 1927-07-28 FR FR638392D patent/FR638392A/fr not_active Expired
- 1927-12-02 GB GB32592/27A patent/GB293414A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2863520A (en) * | 1955-03-11 | 1958-12-09 | Gen Dynamics Corp | Loudspeaker cone rim treatment |
| DE102014224061B4 (de) | 2013-12-19 | 2022-04-07 | Apple Inc. | Dreiteiliger Membranlautsprecher |
Also Published As
| Publication number | Publication date |
|---|---|
| FR638392A (fr) | 1928-05-23 |
| BE343797A (https=) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB293414A (en) | Improvements relating to loud-speakers | |
| GB307734A (en) | Electrostatic acoustic device | |
| GB284343A (en) | Improvements in or connected with souud reproducing devices | |
| GB339127A (en) | Improvements in or relating to apparatus for the reproduction of sound having a diaphragm of relatively large surface and a screen plate | |
| GB660115A (en) | Improvements in or relating to a process for the accretion moulding of diaphragms from cellulose pulp and the like | |
| GB217579A (en) | Improvements in diaphragms for telephonic apparatus | |
| GB260230A (en) | Improvements in loud speakers | |
| GB280772A (en) | Hornless loud speaker | |
| GB277689A (en) | Improvements in telephonic loudspeakers | |
| GB237878A (en) | Improvements in diaphragms for acoustic apparatus | |
| GB857413A (en) | Improvements in or relating to cone loudspeakers | |
| GB271059A (en) | Improvements in or relating to vibrating members for loud speakers | |
| GB283211A (en) | Loud speaker | |
| GB248255A (en) | Improvements in or relating to electrostatic telephones, particularly those of the loudspeaking variety, and microphones | |
| GB353309A (en) | Improvements in or relating to acoustic devices such as loud speakers | |
| GB230552A (en) | Improvements in telephone receivers and like instruments | |
| GB290299A (en) | Improved diaphragm for loudspeakers | |
| GB245704A (en) | Improvements in or relating to diaphragms for telephone instruments | |
| GB314691A (en) | Diaphragm for loud speakers or the like | |
| GB362589A (en) | Improvements in loud speaker horn | |
| US1699903A (en) | Loud-speaker | |
| GB250719A (en) | Improvements in or relating to diaphragms for sound-reproducing instruments | |
| GB886492A (en) | Improvements in or relating to loudspeakers | |
| GB611179A (en) | Improvements in and relating to acoustic instruments, such as loud speakers and directional microphones | |
| GB320873A (en) | Improvements in sound-reproducing apparatus |