GB199749A - Methods of producing laminated oscillatory bodies - Google Patents
Methods of producing laminated oscillatory bodiesInfo
- Publication number
- GB199749A GB199749A GB3494521A GB3494521A GB199749A GB 199749 A GB199749 A GB 199749A GB 3494521 A GB3494521 A GB 3494521A GB 3494521 A GB3494521 A GB 3494521A GB 199749 A GB199749 A GB 199749A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- laminae
- armature
- welded
- hole
- 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
- H04R7/02—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)
- Percussion Or Vibration Massage (AREA)
- Manufacture Of Motors, Generators (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR546789D FR546789A (enExample) | 1921-12-29 | ||
| GB3494521A GB199749A (en) | 1921-12-29 | 1921-12-29 | Methods of producing laminated oscillatory bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3494521A GB199749A (en) | 1921-12-29 | 1921-12-29 | Methods of producing laminated oscillatory bodies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB199749A true GB199749A (en) | 1923-06-29 |
Family
ID=10371902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3494521A Expired GB199749A (en) | 1921-12-29 | 1921-12-29 | Methods of producing laminated oscillatory bodies |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR546789A (enExample) |
| GB (1) | GB199749A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS603277B2 (ja) * | 1978-06-15 | 1985-01-26 | ソニー株式会社 | スピーカ装置 |
-
0
- FR FR546789D patent/FR546789A/fr not_active Expired
-
1921
- 1921-12-29 GB GB3494521A patent/GB199749A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR546789A (enExample) | 1922-11-23 |
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