BE412419A - - Google Patents
Info
- Publication number
- BE412419A BE412419A BE412419DA BE412419A BE 412419 A BE412419 A BE 412419A BE 412419D A BE412419D A BE 412419DA BE 412419 A BE412419 A BE 412419A
- Authority
- BE
- Belgium
- Prior art keywords
- levers
- jumpers
- keys
- machine according
- upright piano
- Prior art date
Links
- 230000036461 convulsion Effects 0.000 claims description 29
- 230000007246 mechanism Effects 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 241000254032 Acrididae Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C3/00—Details or accessories
- G10C3/16—Actions
- G10C3/161—Actions specially adapted for upright pianos
- G10C3/163—Actions specially adapted for upright pianos the action being mounted in a plane below the keyboard
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE412419A true BE412419A (OSRAM) |
Family
ID=76168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE412419D BE412419A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE412419A (OSRAM) |
-
0
- BE BE412419D patent/BE412419A/fr unknown
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