Patent ID: 9538269
Date: 2017-01-03
CPC Classifications: C09J,H04R

Claim:
1. A loudspeaker system comprising: a loudspeaker unit composed of a loudspeaker vibrating cone, a loudspeaker frame and a magnet; a viscoelastic material layer formed by viscoelastic material selected from viscoelasticity sealing material of denaturation silicone or polyurethane, or viscoelastic adhesive of denaturation epoxy, denaturation silicone epoxy, urethane or any mixture thereof, with the thickness of 1 mm or more in the region of more than 70% of the total area of the loudspeaker frame back side surface and the magnet back side surface, wherein the viscoelastic material layer made of the viscoelasticity sealing material of denaturation silicone or polyurethane, or viscoelastic adhesive of denaturation epoxy, denaturation silicone epoxy, urethane or any mixture thereof, is formed with a thickness of 2 mm or more with the entire annular larger 40 mm more than the loudspeaker unit mounting portion of the loudspeaker unit on the mounting baffle inside surface.