Patent ID: 7313246
Filing Date: 2007-12-25
Classification: G02C,H04B,H04M,H04R

Abstract:
1. An earstem for eyeglasses used in a communication system comprising: a temple portion, a speaker support portion for supporting a speaker mount, the speaker support comprising a loop in the earstem, with the loop slidably retaining the speaker mount between the “legs” of the loop for motion along the axis of the loop so that the position of the speaker mount can be adjusted by a wearer along two axes to be over at least a portion of the wearer's concha, wherein the two axes are inclined with respect to each other and parallel to the wearer's external ear, an earpiece portion, wherein the joined temple, speaker support, and earpiece portions are adapted and configured to support the speaker mount away from a wearer's outer ear with a gap sufficient to permit the wearer to hear environmental sounds without significant obstruction; and a microphone mount that is carried by the temporal portion, wherein the microphone mount further comprises: a cavity within the earstem for retaining a microphone, and a first port inclined downward and forward for permitting entry of a wearer's voice into the cavity; a second port inclined upward and rearward for permitting entry of environmental sounds into the cavity; and a gradient microphone retained within the cavity.