GB273741A - Improvements relating to stringed musical instruments - Google Patents
Improvements relating to stringed musical instrumentsInfo
- Publication number
- GB273741A GB273741A GB1748227A GB1748227A GB273741A GB 273741 A GB273741 A GB 273741A GB 1748227 A GB1748227 A GB 1748227A GB 1748227 A GB1748227 A GB 1748227A GB 273741 A GB273741 A GB 273741A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hammers
- strings
- key
- pianofortes
- soundboards
- 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.)
- Expired
Links
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stringed Musical Instruments (AREA)
Abstract
273,741. K³chenmeister, H. J. July 2, 1936, [Convention date]. Pianofortes, double; actions, bridges, cases, soundboards, arrangement of strings; harps.-In stringed instruments such as pianofortes wherein each key actuates two hammers, a time interval of 1/6th to 1/30th of a second is arranged between the two impacts so as to produce "stereo-acoustic " effects. In Fig. 2, the single key c causes the two hammers b, b<1> to strike the strings a successively. In Fig. 4, two lengths a, a<1> of a single string, which is passed over a pivoted bridge h' to enable the portions to be tuned by means of one tuning-key, sound a single note, being struck successively by the hammers b, b<1>. The hammers may be arranged between the strings and the soundboard e. Two soundboards may be employed. Pedal devices may be provided to vary the time-interval, or to throw one set of hammers. out of action. The bottom as well as the cover of a grand piano case may be opened to control the sound, and an upright piano may be similarly modified. The Specification as open to inspection under Sect. 91 (3) (a) states that the invention is also applicable to harps. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE273741X | 1926-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB273741A true GB273741A (en) | 1928-09-27 |
Family
ID=6016787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1748227A Expired GB273741A (en) | 1926-07-02 | 1927-07-01 | Improvements relating to stringed musical instruments |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR636601A (en) |
| GB (1) | GB273741A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2713804A (en) * | 1950-09-08 | 1955-07-26 | H & A Selmer Inc | Piano |
| US5292395A (en) * | 1991-05-21 | 1994-03-08 | Mitsubishi Denki Kabushiki Kaisha | ECR plasma reaction apparatus having uniform magnetic field gradient |
-
1927
- 1927-06-27 FR FR636601D patent/FR636601A/en not_active Expired
- 1927-07-01 GB GB1748227A patent/GB273741A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2713804A (en) * | 1950-09-08 | 1955-07-26 | H & A Selmer Inc | Piano |
| US5292395A (en) * | 1991-05-21 | 1994-03-08 | Mitsubishi Denki Kabushiki Kaisha | ECR plasma reaction apparatus having uniform magnetic field gradient |
Also Published As
| Publication number | Publication date |
|---|---|
| FR636601A (en) | 1928-04-13 |
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