AUTOMATIC GUITAR CHORD PRACTICING DEVICE

摘要

The present invention relates to an automatic guitar chord practicing device which can be conveniently carried and enables a user to practice guitar chords anywhere at any time. An automatic guitar chord practicing device according to an embodiment of the present invention comprises: a body unit having one side formed as a plane; at least three flat units arranged on one side of the body unit; at least two string units positioned to maintain a predetermined spacing from the body unit and arranged at a uniform spacing in the direction intersecting the flat units; a plurality of hole units for a chord, said hole units penetrating through one side of the body unit and being formed at the position where the string units are arranged; lamp units inserted into the hole units for a chord to emit light; a circuit unit arranged within the body unit and electrically connected to the lamp units to operate the lamp units; a chord control unit electrically connected to the circuit unit to provide a control signal to enable the lamp unit to operate in accordance with guitar chords; and a power supply unit for supplying power to the chord control unit and the lamp unit.