发明名称 Digitally Controlled Analog Cancellation System
摘要 A digitally controlled analog cancel- lation system containing an analog noise cancellation circuit with a residual micro- phone (39) with a digital virtual earth con- troller (40) for optimizing variable param- eters employed in the analog cancellation circuit.
申请公布号 CA2170026(A1) 申请公布日期 1995.03.30
申请号 CA19942170026 申请日期 1994.09.02
申请人 NOISE CANCELLATION TECHNOLOGIES, INC. 发明人 DENENBERG, JEFFREY N.;SABETT, RANDY V.
分类号 H04R27/00;H04R3/00;H04R25/00 主分类号 H04R27/00
代理机构 代理人
主权项
地址