DE192821C - - Google Patents
Info
- Publication number
- DE192821C DE192821C DENDAT192821D DE192821DA DE192821C DE 192821 C DE192821 C DE 192821C DE NDAT192821 D DENDAT192821 D DE NDAT192821D DE 192821D A DE192821D A DE 192821DA DE 192821 C DE192821 C DE 192821C
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- sound box
- hammer
- sound
- frame
- 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 12
- 239000000463 material Substances 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/24—Apparatus or circuits at the receiving end
- H04L15/28—Code reproducing apparatus
- H04L15/285—Telegraph sounders; Apparatus for acoustic reception
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Catching Or Destruction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE192821T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE192821C true DE192821C (enrdf_load_stackoverflow) |
Family
ID=5735946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT192821D Active DE192821C (enrdf_load_stackoverflow) |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE192821C (enrdf_load_stackoverflow) |
| FR (1) | FR369863A (enrdf_load_stackoverflow) |
-
0
- DE DENDAT192821D patent/DE192821C/de active Active
-
1906
- 1906-08-29 FR FR369863A patent/FR369863A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR369863A (fr) | 1907-01-23 |
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