Patent Document ID: 20030152240
Application ID: 09683741
Patent Status: 0

Claim One:
1. An active acoustic silencing apparatus that works as or with the microphone of telephonic or transmitting communications equipment to maintain the privacy of the transmitting operator's speech and reduce noise in the area from an operator's speech comprising: a) a device having a microphone to receive operator originated acoustic signals composed of speech originating from an operator of said apparatus and producing a microphone signal, a signal processing circuit for amplifying and processing the microphone signal, creating electrical silencing signals, and amplifying said electrical silencing signals, and a loudspeaker or transducer for receiving the amplified electrical silencing signals from said signal processing circuit; b) said loudspeaker or transducer converting said electrical silencing signals to acoustic silencing signals; and c) said loudspeaker or transducer being positioned with respect to said microphone so as to result in substantial cancellation of said operator originated acoustic signals beyond a front face of said microphone.