Patent ID: 9357286
Filing Date: 2016-05-31
CPC Classification: H04R

Claim Text:
1. A coaxial sound generating unit cartridge in an internal space of which a first sound generating unit and a second sound generating unit are disposed, the first sound generating unit and second sound generating unit for generating sounds of mutually different playback audio bandwidths upon input of an electrical signal, the coaxial sound generating unit cartridge comprising: a housing comprising a first holder part into which the first sound generating unit is inserted to be disposed, a second holder part into which the second sound generating unit is inserted to be disposed, and a partition wall formed between the first holder part and the second holder part, at least one of first sound releasing holes being formed in the partition wall and a sound generated from the first sound generating unit being drained through the first sound releasing hole; and a cap coupled to the second holder part, at least one of second sound releasing holes being formed in the cap to penetrate the cap and a mixed sound having a sound generated from the second sound generating unit mixed with the sound drained through the first sound releasing holes being drained through the second sound releasing hole; wherein a line-disposed groove is formed in an internal surface of the first holder part or in an external surface of the first holder part, at least one of signal lines are formed in the line-disposed groove, and the signal line is electrically connected to the second sound generating unit.