DE93972C - - Google Patents
Info
- Publication number
- DE93972C DE93972C DENDAT93972D DE93972DA DE93972C DE 93972 C DE93972 C DE 93972C DE NDAT93972 D DENDAT93972 D DE NDAT93972D DE 93972D A DE93972D A DE 93972DA DE 93972 C DE93972 C DE 93972C
- Authority
- DE
- Germany
- Prior art keywords
- pianos
- floor
- double resonance
- sound
- sound holes
- 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
- 210000000614 Ribs Anatomy 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002023 wood Substances 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
- G10C3/06—Resonating means, e.g. soundboards or resonant strings; Fastenings thereof
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Building Environments (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Die seiner Zeit vorgenommene Verstärkung des Saitenbezuges von Pianinos und Flügeln machte eine Erhöhung der Widerstandskraft des Rahmens der Instrumente erforderlich. Zu diesem Zweck wurden Eisenplatten in die Construction eingefügt, wodurch der Ton aber einen metallischen Charakter erhielt, während nur solchen Instrumenten ein edler Klang zukommt, welche einen Holzton erzeugen.The reinforcement of the strings of pianinos and grand pianos made in his time made it necessary to increase the resistance of the frame of the instruments. to For this purpose, iron plates were inserted into the construction, which, however, made the sound received a metallic character, while only such instruments have a noble sound, which produce a wood tone.
Die vorliegende Erfindung, durch welche beweckt wird, diesen ungünstigen Einflufs der Eisenplatte unschädlich zu machen, besteht darin, dafs ein aus zwei Bodenplatten al a? hergestellter Doppelresonanzboden im Inneren durch Rippen b in längliche Abtheilungen zerlegt ist und die eine Bodenplatte Schalllöcher c besitzt.The present invention, which aims to render this unfavorable influence of the iron plate harmless, consists in the fact that one of two floor plates a 1 a? The interior of the double resonance floor is divided into elongated sections by ribs b and which has sound holes c on a base plate.
Im Gegensatz zu schon bekannten Doppelresonanzböden bilden hier die Rippen bis auf ihre etwas abgeschrägten Enden Trennungswände und gleichzeitig Verbindungsglieder zwischen den beiden Bodenplatten, so dafs beim Spielen eine Anzahl schwingender Luftsäulen in hohlen resonirenden Holzkanälen entstehen und die beiden Bodenplatten infolge ihrer häufigen Verbindungen in gleichartige Schwingungen kommen. Durch die Schalllöcher stehen die im Innern des Doppelbodens schwingenden Luftschichten mit der Aufsenluft in Verbindung.In contrast to the already known double resonance floors, the ribs form here except for their somewhat beveled ends partition walls and at the same time connecting links between them the two floor plates, so that a number of vibrating columns of air when playing arise in hollow resonating wooden channels and the two floor panels as a result of them frequent connections come into similar vibrations. Stand through the sound holes the air layers oscillating inside the raised floor in connection with the outside air.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE93972C true DE93972C (en) |
Family
ID=365359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT93972D Active DE93972C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE93972C (en) |
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0
- DE DENDAT93972D patent/DE93972C/de active Active
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