G - Physics – 10 – K
Patent
G - Physics
10
K
G10K 11/16 (2006.01) A61F 11/14 (2006.01) H04R 5/033 (2006.01)
Patent
CA 2136948
2136948 9326083 PCTABS00028 A passive selective headset (11) characterized in that a controller accepts speech noise and warning signals from microphones (14) and allows the user to employ an "in-wire" controller (17) or an adaptive speech filter (16) to attenuate the noise from the signal fed to the speakers (12) adjacent the user's ear.
Claybaugh David
Eatwell Graham P.
Evans Robert D.
Parrella Michael J.
Kirby Eades Gale Baker
Noise Cancellation Technologies Inc.
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