Patent ID: 7928312

Claim:
An electronic keyboard instrument defined by upper and lower surfaces arranged generally parallel to one another with corresponding opposing curvilinear edges, and side surfaces separating the upper and lower surfaces, the side surfaces having edges for sealing engagement with the curvilinear edges, the instrument comprising: a controller for enabling activation of electronic signals having audible, visible, amplifiable, or recordable characteristics; a power source for operating the controller; a first arcuate keyboard having a first selected length and oriented in a first position such that (i) audible notes of music from at least one internal sound module and/or at least one external sound module, (ii) recordable data to be enhanced or modified by an external sequencer or program controlled apparatus, (iii) photoelectric signals, and (iv) processes triggered or controlled by external signals or data, for controlling machines, video playback or lighting are generated and/or activated using a first hand of a user; a second arcuate keyboard having a second selected length, the second keyboard being generally coextensive with the first and oriented in a fashion generally opposite to that of the first such that (i) audible notes of music from at least one internal sound module and/or at least one external sound module, (ii) recordable data to be enhanced or modified by an external sequencer or program controlled apparatus, (iii) photoelectric signals, and (iv) processes triggered or controlled by external signals or data, for controlling machines, video playback or lighting are generated or activated using a second hand of the user; each of the first and second arcuate keyboards being characterized by keys of continuously varying length, the keys being generally longer at the respective keyboard ends and shorter at the respective keyboard center so as to define an arcuate shape and, thereby, enhance user operation; an interface for connecting the controller to at least one external device having sound module, and/or sequencing and signal enhancement functions; a plurality of peripheral devices associated with the controller for interactive control and manipulation of the signals; and a wearable support mounted to the instrument for suspending the first and second keyboards from the user's body during instrument operation.