Patent ID: 9363586
Filing Date: 2016-06-07
CPC Classification: H04R,H04S

Claim Text:
1. A narrow profile sound system, comprising: a speaker enclosure having a speaker mounting surface and an enclosed chamber; a drive unit having a front face for generating forward acoustic radiation and being mounted on the speaker mounting surface, such that rearward acoustic radiation from the drive unit is directed into the enclosed chamber; a sound reflecting plate disposed in front of the drive unit and substantially parallel with the speaker mounting surface, the sound reflecting plate having length and width dimensions generally corresponding to the speaker mounting surface on which the drive unit is mounted, whereby forward acoustic radiation from the drive unit is directed toward the sound reflecting plate; and a narrow sound duct that is no more than 10 millimeters in height and terminates in an elongate output slot, the sound duct being defined at least in part by the sound reflecting plate, the speaker mounting surface, a pair of sidewalls disposed between the sound reflecting plate and the speaker mounting surface, and a curved rear sound duct wall comprising sound damping material and disposed in alignment with and following a curved rear contour of the drive unit such that the rear sound duct wall adjoins the pair of side walls at either end of the rear sound duct wall.