Patent ID: 6997178

Claim:
Oxygen breathing mask with a sound pick-up device, comprising: a flexible cap; an exhalation port pierced through the flexible cap; a housing on an inner surface of the flexible cap; first and second microphone capsules positioned above the exhalation port; a conical tubular mouth-piece extending from a first distal end disposed adjacent the flexible cap to a second distal end projecting away from the flexible cap, the first and second microphone capsules mounted at said first distal end of the tubular mouthpiece with the first and second microphone capsules positioned between the flexible cap and the mouth-piece, said second distal end of said tubular mouth-piece disposed away from the first and second microphone capsules and defining an aperture turned away from said flexible cap; and an arm having first and second ends, wherein the first end is disposed within the housing, and the arm extends from the housing and supports at the second end the tubular mouth-piece at said first distal end adjacent the first and second microphone capsules.