Abstract: In one aspect, the present invention is directed to a modular electronic musical keyboard instrument, comprising: an array of separate keyboard segments (30, 32), each comprising a piano keyboard (20) in a range of one octave; a control system, for converting a keystroke of each key in the array of keyboard segments to a note sound in a level corresponding to the order of the key in the array of keyboard segments; octave order setting means (22), for determining to the control system the order of each keyboard segment in the array of keyboard segments; communication means of each of the keyboard segments with the control system; and connection means (12, 14) with another keyboard segment.

Abstract: In one aspect, the present invention is directed to a modular electronic musical keyboard instrument, comprising: an array of separate keyboard segments (30, 32), each comprising a piano keyboard (20) in a range of one octave; a control system, for converting a keystroke of each key in the array of keyboard segments to a note sound in a level corresponding to the order of the key in the array of keyboard segments; octave order setting means (22), for determining to the control system the order of each keyboard segment in the array of keyboard segments; communication means of each of the keyboard segments with the control system; and connection means (12, 14) with another keyboard segment.

Abstract: A microbe detecting and/or treating toothbrush that includes a handle that comprises a head portion, a neck portion and a grasping portion, an upper surface and a lower surface; a plurality of bristles, positioned on and attached to the upper surface of the head portion of the handle and a dental hygiene device being parts of the handle, which comprises a dispensing aperture from which an effective amount of a disclosing and/or treating agent is dispensed and a dispensing mechanism comprising an actuator, which upon actuation, enables the dispensing aperture to provide an effective amount of a disclosing and/or treating agent, wherein the dispensing aperture and the dispensing mechanism of the dental hygiene devices are situated in the neck portion or the grasping portion of the handle.

Abstract: A microbe detecting and/or treating toothbrush that includes a handle that comprises a head portion, a neck portion and a grasping portion, an upper surface and a lower surface; a plurality of bristles, positioned on and attached to the upper surface of the head portion of the handle and a dental hygiene device being parts of the handle, which comprises a dispensing aperture from which an effective amount of a disclosing and/or treating agent is dispensed and a dispensing mechanism comprising an actuator, which upon actuation, enables the dispensing aperture to provide an effective amount of a disclosing and/or treating agent, wherein the dispensing aperture and the dispensing mechanism of the dental hygiene devices are situated in the neck portion or the grasping portion of the handle.

Abstract: A plaque disclosing agent dispensing toothbrush is disclosed. The plaque disclosing agent disposing toothbrush includes: (a) a handle, the handle including a head portion and a grasping portion, an upper surface and a lower surface, and a hollow interior defining a reservoir, the reservoir being designed and constructed to contain dental plaque disclosing agent; (b) a plurality of bristles positioned on and attached to the upper surface of the head portion of the handle; (c) a conduit in communication with the reservoir and extending into the head portion, the conduit being connected to and terminating at an outlet aperture in the head portion; and (d) a dispensing mechanism operationally connected to the conduit and adapted to control flow through the conduit.