JPS5499615A - Bridge structure of piano - Google Patents
Bridge structure of pianoInfo
- Publication number
- JPS5499615A JPS5499615A JP580678A JP580678A JPS5499615A JP S5499615 A JPS5499615 A JP S5499615A JP 580678 A JP580678 A JP 580678A JP 580678 A JP580678 A JP 580678A JP S5499615 A JPS5499615 A JP S5499615A
- Authority
- JP
- Japan
- Prior art keywords
- contact
- soundboard
- string vibrations
- young
- modulus
- 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.)
- Granted
Links
Abstract
PURPOSE: To reduce propagation loss of string vibrations and improve sound quality by so arranging the bridge that the ratio E/ρ of Young's modulus E and density ρ decrease as it goes from the portions in contact with strings toward the portions in contact with soundboard.
CONSTITUTION: For example, a long briged 11 is bonded on a soundboard 2 and its shape is identical to that of conventional ones. And the long bridge 11 is bonded and laminated with four members 11a thru d in its thickness direction and the ratios E/ρ of the densities and Young's modulus of the respective members become smaller as it goes from the member 11a on the side in contact with strings toward the member 11d on the side in contact with the soundboard 12. Hence, reflecting of string vibrations by the boundary faces of the member will not occur and the string vibrations are popagated to the sound board, thus the propaation loss is reduced.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53005806A JPS5821278B2 (en) | 1978-01-24 | 1978-01-24 | piano piece structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53005806A JPS5821278B2 (en) | 1978-01-24 | 1978-01-24 | piano piece structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5499615A true JPS5499615A (en) | 1979-08-06 |
| JPS5821278B2 JPS5821278B2 (en) | 1983-04-28 |
Family
ID=11621315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53005806A Expired JPS5821278B2 (en) | 1978-01-24 | 1978-01-24 | piano piece structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5821278B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2887677A1 (en) * | 2005-06-23 | 2006-12-29 | Stephen Paulello | PIANO STRUCTURE WITH TAIL AND METHOD FOR MAKING SAID STRUCTURE |
| CN104637469A (en) * | 2015-03-09 | 2015-05-20 | 陈坚胜 | String instrument bridge with coupling layers and string instrument |
-
1978
- 1978-01-24 JP JP53005806A patent/JPS5821278B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2887677A1 (en) * | 2005-06-23 | 2006-12-29 | Stephen Paulello | PIANO STRUCTURE WITH TAIL AND METHOD FOR MAKING SAID STRUCTURE |
| CN104637469A (en) * | 2015-03-09 | 2015-05-20 | 陈坚胜 | String instrument bridge with coupling layers and string instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5821278B2 (en) | 1983-04-28 |
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