DE142483C - - Google Patents
Info
- Publication number
- DE142483C DE142483C DENDAT142483D DE142483DA DE142483C DE 142483 C DE142483 C DE 142483C DE NDAT142483 D DENDAT142483 D DE NDAT142483D DE 142483D A DE142483D A DE 142483DA DE 142483 C DE142483 C DE 142483C
- Authority
- DE
- Germany
- Prior art keywords
- valve
- suction
- keystroke
- air
- concrete
- 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
- 230000000694 effects Effects 0.000 claims description 8
- 239000012528 membrane Substances 0.000 description 17
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F5/00—Details or accessories
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/02—Pianofortes with keyboard
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanically-Actuated Valves (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE142483C true DE142483C (https=) |
Family
ID=410038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT142483D Active DE142483C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE142483C (https=) |
-
0
- DE DENDAT142483D patent/DE142483C/de active Active
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