Title

Remote Siren Noise Canceling Headset (ANC) U.S. Patent 5,375,174

Document Type

Patent

Publication Date

12-1994

Abstract

A wireless remote active noise canceling headset including residual microphones (35, 34) mounted on the headset (30) with speakers (32, 33) located adjacent to the residual microphones and an algorithm driven synchronous controller to operate said headset.

Comments

U.S. Patent 5,375,174 issued December, 1994

Published Citation

Denenberg; Jeffrey N. . Remote Siren Noise Canceling Headset (ANC) U.S. Patent 5,375,174 issued December, 1994