发明名称 METHOD FOR PROTECTION OF VOICE DATA AGAINST SURVEILLANCE AND RECORDING
摘要 FIELD: information exchange. SUBSTANCE: method involves generation of acoustic jamming in room where information exchange takes place. Amplitude and frequency parameters of jamming correspond to amplitude and frequency parameters of persons engaged in communication. EFFECT: increased protection. 4 cl
申请公布号 RU2130697(C1) 申请公布日期 1999.05.20
申请号 RU19980103645 申请日期 1998.02.24
申请人 RATNIKOV ALEKSANDR JUR'EVICH 发明人 RATNIKOV A.JU.;JUR'EV D.N.;KAPRALOV G.N.
分类号 H04M1/68;G10K11/175 主分类号 H04M1/68
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