DE131067C - - Google Patents
Info
- Publication number
- DE131067C DE131067C DENDAT131067D DE131067DA DE131067C DE 131067 C DE131067 C DE 131067C DE NDAT131067 D DENDAT131067 D DE NDAT131067D DE 131067D A DE131067D A DE 131067DA DE 131067 C DE131067 C DE 131067C
- Authority
- DE
- Germany
- Prior art keywords
- springs
- grain
- record
- housing
- lamellae
- 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
- 239000003245 coal Substances 0.000 description 4
- 241000446313 Lamella Species 0.000 description 1
- 240000008154 Piper betle Species 0.000 description 1
- 210000003746 feather Anatomy 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE131067C true DE131067C (enrdf_load_stackoverflow) |
Family
ID=399422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT131067D Active DE131067C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE131067C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT131067D patent/DE131067C/de active Active
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