DE114561C - - Google Patents
Info
- Publication number
- DE114561C DE114561C DENDAT114561D DE114561DA DE114561C DE 114561 C DE114561 C DE 114561C DE NDAT114561 D DENDAT114561 D DE NDAT114561D DE 114561D A DE114561D A DE 114561DA DE 114561 C DE114561 C DE 114561C
- Authority
- DE
- Germany
- Prior art keywords
- coal
- microphones
- transmission
- heated
- microphone
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000003245 coal Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 239000002184 metal Substances 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
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
- H04R21/021—Microphones with granular resistance material
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Coke Industry (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE114561C true DE114561C (es) |
Family
ID=384056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT114561D Active DE114561C (es) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE114561C (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6827371B2 (en) | 2001-03-31 | 2004-12-07 | Bayerische Motoren Werke Aktiengesellschaft | Passenger car having a fuel tank mounted between the vehicle seats and method of making and using same |
-
0
- DE DENDAT114561D patent/DE114561C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6827371B2 (en) | 2001-03-31 | 2004-12-07 | Bayerische Motoren Werke Aktiengesellschaft | Passenger car having a fuel tank mounted between the vehicle seats and method of making and using same |
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