Patent ID: 8837755
Filing Date: 2014-09-16
Classification: H04R

Abstract:
1. An acoustic apparatus, the apparatus comprising; a first acoustic element; a second acoustic element; and a registration portion that is configured to register the first acoustic element with respect to the second acoustic element such that an exact and relative alignment and positioning between the first acoustic element and second acoustic element is provided and ensured; wherein the first acoustic element is a coil and the second acoustic element is a yoke; wherein the registration portion comprises a foldable shim, the shim comprising flanges, the flanges comprising at least one tine; wherein the foldable shim is coupled to a face of the yoke, and comprises a plate portion and at least one tine, the at least one tine and plate portion being generally perpendicular to the other; wherein the coil is wound or inserted about the at least one tine.