Respiratory mask and microphone mount for use therein

Details Respiratory mask and microphone mount for use therein Respiratory mask and microphone mount for use therein

1995-05-31

1996-11-12

Burr, Edgar S.

Surgery

Respiratory method or device

Means for transmitting, or facilitating, voice communication...

12820123, A62B 1808

Patent

active

055729908

ABSTRACT:
A respiratory mask with an inner mask for covering the mouth and nose. The inner mask includes an inhalation valve, an exhalation valve and a voice aperture. A microphone mount is removably attached above the voice aperture. Two microphones are attached with one oriented toward the mouth and the other oriented toward the inhalation valve. The directional patterns of the first and second microphones are respectively perpendicular and parallel to the inside of the microphone mount. The mount takes the form of a signal printed circuit and replaces the conventional voice diaphragm of the mask.

REFERENCES:
patent: 3092105 (1963-06-01), Gabb
patent: 3680556 (1972-08-01), Morgan
patent: 4594695 (1986-06-01), Garconnat et al.
patent: 4672674 (1987-06-01), Clough et al.
patent: 4718415 (1988-01-01), Bolnberger et al.
patent: 4736740 (1988-04-01), Parker et al.
patent: 5046103 (1991-09-01), Warnaka et al.
patent: 5136555 (1992-08-01), Gardos
patent: 5307793 (1994-05-01), Sinclair et al.
patent: 5329593 (1994-07-01), Lazzeroni et al.
patent: 5381473 (1995-01-01), Andrea et al.

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