DE166708C - - Google Patents
Info
- Publication number
- DE166708C DE166708C DENDAT166708D DE166708DA DE166708C DE 166708 C DE166708 C DE 166708C DE NDAT166708 D DENDAT166708 D DE NDAT166708D DE 166708D A DE166708D A DE 166708DA DE 166708 C DE166708 C DE 166708C
- Authority
- DE
- Germany
- Prior art keywords
- bell
- cone
- funnel
- section
- shape
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920002160 Celluloid Polymers 0.000 description 1
- 241000237942 Conidae Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE166708C true DE166708C (OSRAM) |
Family
ID=432088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT166708D Active DE166708C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE166708C (OSRAM) |
-
0
- DE DENDAT166708D patent/DE166708C/de active Active
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