H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 1/44 (2006.01) H04B 11/00 (2006.01)
Patent
CA 2062670
ABSTRACT A novel totally integrated divers face mask and ultrasound underwater voice communication apparatus having integral transducer-transmit-receive-power source enclosures of low profile, flexible hands-free-voice or push-to-talk operation while submerged, and noise-cancelling microphone features for reducing bubble and vibration noise.
Divecomm Inc.
Macrae & Co.
LandOfFree
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