AUTOMATIC GUITAR-CHORD TRAINING MACHINE ENABLING A USER TO PRACTICE GUITAR CHORDS WITHOUT A BOOKLET OR A TRAINING MANUAL

摘要

PURPOSE: An automatic guitar-chord training machine is provided to easily recognize that which flat of which string should be pressed when a user practices or memorizes guitar chords as a lamp unit is light-emitted according to the guitar chords.;CONSTITUTION: An automatic guitar-chord training machine includes a body unit (110), flat units (130), string units (150), chord-hole units (190), lamp units (210), a circuit unit (230), a chord control unit (250), and a power supply unit (270). At least three flat units are arranged on one surface of the body unit. At least two string units are arranged in a direction intersecting with the flat units at an equal interval. The chord-hole units are penetrated through one surface of the body unit and formed at a position in which the string units are arranged. The lamp units are inserted into the chord-hole units and emit light. The circuit unit is formed inside the body unit and electrically connected, thereby operating the lamp unit. The chord control unit provides control signals so that the lamp units are operated according to guitar chords.;COPYRIGHT KIPO 2013