Patent ID: 8502062
Filing Date: 2013-08-06
Classification: G10H,H04R

Abstract:
1. An electronic keyboard musical instrument comprising: an instrument main body having a casing; a left leg body and a right leg body that support the instrument main body at a left portion and a right portion of the instrument main body, respectively; a keyboard portion including a plurality of keys as performance operating elements; a musical-sound-signal generating portion configured to generate a musical sound signal by a key operation of the keyboard portion; at least one planar speaker configured to output sound in accordance with the musical sound signal generated by the musical-sound-signal generating portion; and a holding portion configured to hold the planar speaker in an arbitrary state between the left leg body and the right leg body, wherein the planar speaker includes a plurality of superposed flexible layers that at least include a vibrating layer and electrode layers that sandwich the vibrating layer from opposite sides of the vibrating layer, wherein the planar speaker is disposed inside the casing or disposed at a portion of a surface of the casing, and wherein the holding portion is configured to hold not only the planar speaker in a state before a configuration of a plane of the planar speaker changes, but also the planar speaker in a state after the configuration of the plane of the planar speaker is changed.