METHOD FOR PROTECTING VOCAL INFORMATION AGAINST LISTENING AND RECORDING
摘要
<p>The present invention essentially relates to a method that comprises generating acoustic interference in premises where information is being exchanged, wherein said interference has amplitude and frequency characteristics corresponding to that of the voices of the persons participating in said information exchange.</p>
申请公布号
WO9944321(A2)
申请公布日期
1999.09.02
申请号
WO1999RU00045
申请日期
1999.02.19
申请人
RATNIKOV, ALEXANDR JURIEVICH;JURIEV, DMITRY NIKOLAEVICH;KAPRALOV, GENNADY NIKOLAEVICH
发明人
RATNIKOV, ALEXANDR JURIEVICH;JURIEV, DMITRY NIKOLAEVICH;KAPRALOV, GENNADY NIKOLAEVICH
