DE120488C - - Google Patents
Info
- Publication number
- DE120488C DE120488C DENDAT120488D DE120488DA DE120488C DE 120488 C DE120488 C DE 120488C DE NDAT120488 D DENDAT120488 D DE NDAT120488D DE 120488D A DE120488D A DE 120488DA DE 120488 C DE120488 C DE 120488C
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- voice
- paper
- membranes
- molten
- 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
- 239000012528 membrane Substances 0.000 claims description 7
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE120488C true DE120488C (enrdf_load_html_response) |
Family
ID=389546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT120488D Active DE120488C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE120488C (enrdf_load_html_response) |
-
0
- DE DENDAT120488D patent/DE120488C/de active Active
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