Patents Assigned to Institut de Recherche et de Coordination Acoustique Musique IRCAM
  • Device for obtaining quarter-tones and other micro-intervals on musical wind instruments with lateral holes
    Patent number: 4714001
    Abstract: For each register of the instrument, the device comprises at least one auiary tube branched in the vicinity of the head of the instrument and a manual control mechanism making it possible to open or close the auxiliary tube at its first end in contact with the instrument or at its second end turned towards the outside.This device more particularly applies to flute mouthpiece instruments or reed instruments, such as clarinets, saxophones, oboes and bassoons.
    Type: Grant
    Filed: September 19, 1986
    Date of Patent: December 22, 1987
    Assignees: Centre National de la Recherche Scientifique, Institut de Recherche et de Coordination Acoustique Musique IRCAM
    Inventors: Jean Kergomard, Xavier Meynial