Hearing aid structure

Claim 1

A HEARING AID STRUCTURE COMPRISING A FRAME ADAPTED TO BE WORN IN A SUBSTANTIALLY FIXED POSITION ON THE HEAD OF THE USER, SAID FRAME HAVING A HOLLOW PORTION, A SOUND DETECTOR IN SAID HOLLOW PORTION, A RELATIVELY SMALL ENTRANCE OPENING FOR SOUND WAVES IN THE HOLLOW PORTION OF SAID FRAME, SAID ENTRANCE OPENING FACING THE FACE OF THE USER IN CLOSE PROXIMITY TO THE FOCAL CENTER OF THE CONCAVE AREA DEFINED BY ONE OF THE EYE SOCKETS AND CHEEKS ON THE FACE OF THE USER, THE SOUND WAVES STRIKING THE CONCAVE AREA BEING REFLECTED AND COMPRESSED SO THAT THE COMPRESSED WAVES CONVERGE TOWARD THE FOCAL CENTER AND ARE DIRECTED THROUGH SAID ENTRANCE OPENING TO THE ENTRANCE TO SAID SOUND DETECTOR IN THE HOLLOW PORTION OF SAID FRAME, SAID DETECTOR CONVERTING SUBSTANTIALLY ONLY THE COMPRESSED AND CONVERGING WAVES INTO ELECTRICAL IMPULSES, AND A SOUND REPRODUCER CARRIED BY SAID FRAME WHEREBY THE ELECTRICAL IMPULSES PRODUCED BY SAID SOUND DETECTOR IN TURN PRODUCES AUDIBLE SOUNDS IN SAID SOUND REPRODUCER.