KEYBOARD DEVICE FOR ELECTRONIC MUSICAL INSTRUMENT Russian patent published in 2009 - IPC G10H1/34 

FIELD: instrument making.

SUBSTANCE: group of inventions is related to keyboard devices for electronic musical instrument. Keyboard device comprises keyboard base, multiple keys, which include white keys and black keys. Keys are installed on keyboard base, at the same time each key has front part located closer to performer, and back part opposite to front part. Device comprises supporting parts, installed on keyboard base for support of keys with the possibility of turning up and down. Supporting parts include supporting parts of white keys for support of white keys and supporting parts of black keys for support of black keys. At the same time supporting parts are installed near backs parts of keys, so that supporting parts of black keys are displaced backwards relative to supporting parts of white keys. Keyboard base supports anti-lift part, which passes through back parts of white keys and is installed above supporting parts of white keys so that to prevent upward motion of back parts of white keys during downward pressing of front parts of white keys. Anti-lift parts may also pass through back parts of white keys and be installed above supporting parts of white keys, and may also pass through back parts of black keys above supporting parts of black keys so that to limit upward motion of back parts of white keys and black keys during downward pressing of front parts of white keys and black keys.

EFFECT: achieved technical result consists in reduction of difference in feelings perceived when pressing white and black keys.

12 cl, 20 dwg