DE249473C - - Google Patents
Info
- Publication number
- DE249473C DE249473C DENDAT249473D DE249473DA DE249473C DE 249473 C DE249473 C DE 249473C DE NDAT249473 D DENDAT249473 D DE NDAT249473D DE 249473D A DE249473D A DE 249473DA DE 249473 C DE249473 C DE 249473C
- Authority
- DE
- Germany
- Prior art keywords
- attached
- strip
- key
- metal plates
- solenoid
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 241000854350 Enicospilus group Species 0.000 description 1
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
- G10G3/00—Recording music in notation form, e.g. recording the mechanical operation of a musical instrument
- G10G3/04—Recording music in notation form, e.g. recording the mechanical operation of a musical instrument using electrical means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE249473C true DE249473C (enrdf_load_stackoverflow) |
Family
ID=508091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT249473D Active DE249473C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE249473C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT249473D patent/DE249473C/de active Active
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