Patent ID: 7405350

Claim:
An automatic player musical instrument for producing tones, comprising: plural manipulators selectively moved for specifying the pitch of tones to be produced; plural link works respectively connected to said plural manipulators, and respectively having certain links, the motion of which are given rise to through the motion of said plural manipulators; a tone generator energized with said plural manipulators through said plural link works so as to produce said tones at said pitch specified through said plural manipulators; and an electronic system including plural sensors monitoring said plural manipulators so as to produce signals representative of said motion of said plural manipulators, plural actuators energized with driving signals so as to give rise to said motion of said plural manipulators and a data processing unit connected to said plural sensors and said plural actuators, having a converter expressing a relation between said motion of said plural manipulators and said motion of said certain links determined under the condition that said plural manipulators are moved by a human player and another converter expressing another relation between said motion of said plural manipulators and said motion of said certain links determined under the condition that said plural manipulators are moved by means of said plural actuators and estimating said motion of said certain links and said motion of said plural manipulators on the basis of pieces of data expressed by said signals and pieces of music data representative of said motion of said certain links selectively with assistance of said converter and said another converter depending upon an origin of force exerted on said plural manipulators.