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
- 239000010985 leather Substances 0.000 abstract 3
- 240000007182 Ochroma pyramidale Species 0.000 abstract 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract 1
- 235000011613 Pinus brutia Nutrition 0.000 abstract 1
- 241000018646 Pinus brutia Species 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
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
- H04R7/16—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 (enrdf_load_stackoverflow) |
FR (1) | FR638392A (enrdf_load_stackoverflow) |
GB (1) | GB293414A (enrdf_load_stackoverflow) |
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 (enrdf_load_stackoverflow) |
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