Patent ID: 7887254

Claim:
A system comprising: a first row comprising a plurality of modules connected with each other, each of the plurality of modules comprising: a front surface including a first portion and a second portion; a rear surface oppositely located with respect to the front surface; a plurality of passageways formed in the first portion of the front surface, each of the passageways having an inlet in the front surface to receive a wave and an outlet in the rear surface to discharge the wave from the module, each of the passageways being tapered inwardly in the direction from the inlet to the outlets, such that the wave passing through the passageways is substantially dissipated after being discharged from the outlets; concentric grooves formed in the second portion of the front surface; and shackles disposed at both end modules of the first row; and mooring means for engaging the shackles for connecting the system to anchoring means.