Free-bass dual-system accordion

An accordion and dual-system technology, applied in the field of musical instruments, can solve the problems of inability to play free bass and high price, and achieve the effect of light weight, low cost and small size
CN1529306AInactive Publication Date: 2004-09-15ๅฎซ้“ๅŸŽ

Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
ๅฎซ้“ๅŸŽ
Publication Date
2004-09-15
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invented accordion suitable for popularization to the masses can play traditional base as well as free bass, providing features of small size, lightweight, low cost. Sealing cap is setup at each air inlet and air outlet respectively. Each sealing cap of reed can be raised solely to play free bass, or all sealing caps of reed in a group can be raised to play bass. Drawing out 2-3 pieces of high-pitched sealing cap of reed in three groups rises together to play chord. Drawing rule is determined according to three tones contained in different chords. The said three tones are reflected to bass keys, and can be switched between free bass and chord. The invented duplex system accordions possessing free bass meet multiple persons on need of learning accordion, and promote development of accordion toward higher level.
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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 ...

Claims

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