Patent ID: 7253951

Claim:
A viewing device comprising: a housing defining an interior chamber through which light can pass, the housing including; first and second spaced apart openings communicating with the interior chamber such that light entering the first opening is viewed by a user looking into the second opening, the second opening further configured to receive sound created by the user, the housing configured to transmit the sound entering the second opening toward a sound exit location of the housing at or near the first opening; wherein the second opening defines an eyepiece portion into which the user looks and a mouthpiece portion into which the user speaks, the eyepiece portion at least partially defined by housing wall portions forming an outer periphery of the second opening and spaced apart by a width D 2 , the mouthpiece portion at least partially defined by housing wall portions forming an outer periphery of the second opening and spaced apart by a width D 3 , the width D 2 being substantially greater than the width D 3 .