Patent ID: 6307943
Filing Date: 2001-10-23
Classification: H04R

Abstract:
An electro-acoustic apparatus, comprising:an electro-acoustic transducer accommodated in a cabinet; anda sound guide tube for conducting the sound from the electro-acoustic transducer unit out of said cabinet;said sound guide tube having a smaller diameter than an external acoustic meatus to allow at least a sound radiating end of the sound guide tube to be inserted into the external acoustic meatus;said electro-acoustic apparatus further comprising supporting means for supporting one of said transducer or said sound guide tube so that the sound radiating end of said sound guide tube is at a predetermined position within the external acoustic meatus;wherein said cabinet is formed for enclosing the rear side of said electro-acoustic transducer unit and not a sound radiating side of said electro-acoustic transducer, said sound guide tube being L-shaped and having an end opposite to said sound radiating end connected to a sound conducting opening provided on a lateral side of said cabinet.