Free-bass dual-system accordion
Patent Information
- Authority / Receiving Office
- CN ยท China
- Current Assignee / Owner
- ๅฎซ้ๅ
- Publication Date
- 2004-09-15
- Estimated Expiration
- Not applicable ยท inactive patent
Smart Images
Figure 1 Figure 2 Figure 3
Abstract
Description
technical field
[0001] This invention relates to a musical instrument, and more particularly to an accordion. Background technique
[0002] At present, the structure of the traditional accordion reed sealing cover and the air inlet and outlet of the reed is as follows: figure 1 As shown, a reed sealing cover is arranged on a group of corresponding air inlet and outlet, that is, one sealing cover controls two or three air inlets and outlets. Due to this structure, the traditional accordion has a narrow range and cannot play music specially created for free bass. Existing accordions are being developed towards free bass dual systems. The free bass double system means that the left-hand bass key part is divided into six rows, and the two rows in the middle of the piano body play twelve basses with constant pitch, and the remaining four rows can play not only the original chords but also multi-octave singles. voice, both are switched by a voice ...